plutonium

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Glenn Seaborg adjusts a Geiger-Muller counter during his search for plutonium at the Radiation Laboratory. Morgue 1956-6 (P-30), 1941 [Photographer: Donald Cooksey]

Glenn Seaborg adjusts a Geiger-Muller counter during his search for pl...

Photographs Documenting Scientists, Special Events, and Nuclear Research Facilities, Instruments, and Projects at the Berkeley Lab

First laboratory set up for the study of pure plutonium. Metallurgical Laboratory, Chicago, Illinois. Photo taken in 1942.  Principal Investigator/Project: Analog Conversion Project

First laboratory set up for the study of pure plutonium. Metallurgical...

Photographs Documenting Scientists, Special Events, and Nuclear Research Facilities, Instruments, and Projects at the Berkeley Lab

US Atomic Energy photographs in Life Magazine Exhibit. Handling plutonium. Photograph of image taken July 15, 1948

US Atomic Energy photographs in Life Magazine Exhibit. Handling pluton...

Digital Preservation File Name and Format: 434-LB-5-XBD201207-00429.TIF Photographs Documenting Scientists, Special Events, and Nuclear Research Facilities, Instruments, and Projects at the Berkeley Lab

US Atomic Energy photographs in Life Magazine Exhibit. Diagram of plutonium and uranium process. Photograph of image taken July 15, 1948

US Atomic Energy photographs in Life Magazine Exhibit. Diagram of plut...

Digital Preservation File Name and Format: 434-LB-5-XBD201207-00425.TIF Photographs Documenting Scientists, Special Events, and Nuclear Research Facilities, Instruments, and Projects at the Berkeley Lab

Portrait of Stanley G. Thompson taken February 20, 1950. Associated with Glenn Seaborg in the discovery of plutonium and later a member of the team that discovered berklium and californium. Morgue 1953-1 (P-1) [Photographer: Donald Cooksey]

Portrait of Stanley G. Thompson taken February 20, 1950. Associated wi...

Photographs Documenting Scientists, Special Events, and Nuclear Research Facilities, Instruments, and Projects at the Berkeley Lab

Dr. Glenn Seaborg in old plutonium laboratory, August 1962. Morgue1962-38 (P-3); CN 954 [Photographer: Donald Cooksey]

Dr. Glenn Seaborg in old plutonium laboratory, August 1962. Morgue1962...

Photographs Documenting Scientists, Special Events, and Nuclear Research Facilities, Instruments, and Projects at the Berkeley Lab

Dr. Glenn T. Seaborg's old plutonium laboratory in Building 18 (Gilman Hall), taken August 29, 1962. Morgue 1962-38 (P-1); CN 952 [Photographer: Donald Cooksey]

Dr. Glenn T. Seaborg's old plutonium laboratory in Building 18 (Gilman...

Photographs Documenting Scientists, Special Events, and Nuclear Research Facilities, Instruments, and Projects at the Berkeley Lab

Dr. Glenn T. Seaborg's old plutonium laboratory in Building 18 (Gilman Hall), taken August 29, 1962. Morgue 1962-38 (P-6) [Photographer: Donald Cooksey]

Dr. Glenn T. Seaborg's old plutonium laboratory in Building 18 (Gilman...

Photographs Documenting Scientists, Special Events, and Nuclear Research Facilities, Instruments, and Projects at the Berkeley Lab

Dr. Glenn T. Seaborg's old plutonium laboratory in Building 18 (Gilman Hall), taken August 29, 1962. Morgue 1962-38 (P-2); CN 953 [Photographer: Donald Cooksey]

Dr. Glenn T. Seaborg's old plutonium laboratory in Building 18 (Gilman...

Photographs Documenting Scientists, Special Events, and Nuclear Research Facilities, Instruments, and Projects at the Berkeley Lab

Do you know what plutonium is?

Do you know what plutonium is?

Public domain scan of American poster, advertisement, free to use, no copyright restrictions image - Picryl description

25th anniversary of the discovery of plutonium. Group, including Glenn Seaborg and Edwin McMillan, with a plaque designating Room 307 of Gilman Hall a National Historic Landmark, taken February 21, 1966. Morgue 1966-12 (P-21) [Photographer: Donald Cooksey]

25th anniversary of the discovery of plutonium. Group, including Glenn...

Photographs Documenting Scientists, Special Events, and Nuclear Research Facilities, Instruments, and Projects at the Berkeley Lab

25th anniversary of the discovery of plutonium with Glenn Seaborg, taken February 21, 1966. Morgue 1966-12 (P-14) [Photographer: Donald Cooksey]

25th anniversary of the discovery of plutonium with Glenn Seaborg, tak...

Photographs Documenting Scientists, Special Events, and Nuclear Research Facilities, Instruments, and Projects at the Berkeley Lab

25th anniversary of the discovery of plutonium with Glenn Seaborg (right), taken February 21, 1966. Morgue 1966-12 (P-10) [Photographer: Donald Cooksey]

25th anniversary of the discovery of plutonium with Glenn Seaborg (rig...

Photographs Documenting Scientists, Special Events, and Nuclear Research Facilities, Instruments, and Projects at the Berkeley Lab

25th anniversary of the discovery of plutonium, taken February 21, 1966. Morgue 1966-12 (P-19) [Photographer: Donald Cooksey]

25th anniversary of the discovery of plutonium, taken February 21, 196...

Photographs Documenting Scientists, Special Events, and Nuclear Research Facilities, Instruments, and Projects at the Berkeley Lab

25th anniversary of the discovery of plutonium. Group, including Glenn Seaborg (third from right) and Edwin McMillan (left), with a plaque designating Room 307 of Gilman Hall a National Historic Landmark, taken February 21, 1966. Morgue 1966-12 (P-8) [Photographer: Donald Cooksey]

25th anniversary of the discovery of plutonium. Group, including Glenn...

Photographs Documenting Scientists, Special Events, and Nuclear Research Facilities, Instruments, and Projects at the Berkeley Lab

25th anniversary of the discovery of plutonium with Glenn Seaborg giving speech, taken February 21, 1966. Morgue 1966-12 (P-18) [Photographer: Donald Cooksey]

25th anniversary of the discovery of plutonium with Glenn Seaborg givi...

Photographs Documenting Scientists, Special Events, and Nuclear Research Facilities, Instruments, and Projects at the Berkeley Lab

25th anniversary of the discovery of plutonium. Group, including Glenn Seaborg (second from right) with a plaque designating Room 307 of Gilman Hall a National Historic Landmark, taken February 21, 1966. Morgue 1966-12 (P-4) [Photographer: Donald Cooksey]

25th anniversary of the discovery of plutonium. Group, including Glenn...

Photographs Documenting Scientists, Special Events, and Nuclear Research Facilities, Instruments, and Projects at the Berkeley Lab

On the 25th Anniversary of the discovery of plutonium (in the back from left to right) Glenn Seaborg, Arthur C. Wahl, Edwin McMillan, Undersecretary of the Interior Carver, and Howard Vesper attend dedication ceremony of Room 307, Gilman Hall as a National Historic Landmark on the University of California, Berkeley (UCB) campus. Morgue 1966-12 (P-22) [Photographer: Donald Cooksey]

On the 25th Anniversary of the discovery of plutonium (in the back fro...

Photographs Documenting Scientists, Special Events, and Nuclear Research Facilities, Instruments, and Projects at the Berkeley Lab

25th Anniversary. of the Discovery of plutonium with Glenn T. Seaborg, left. Photo taken February 21, 1966. Morgue 1966-12 (P-2) [Photographer: Donald Cooksey]

25th Anniversary. of the Discovery of plutonium with Glenn T. Seaborg,...

Photographs Documenting Scientists, Special Events, and Nuclear Research Facilities, Instruments, and Projects at the Berkeley Lab

25th anniversary of the discovery of plutonium. Group includes Glenn Seaborg and Edwin McMillan, taken February 21, 1966. Morgue 1966-12 (P-1) [Photographer: Donald Cooksey]

25th anniversary of the discovery of plutonium. Group includes Glenn S...

Photographs Documenting Scientists, Special Events, and Nuclear Research Facilities, Instruments, and Projects at the Berkeley Lab

Rocky Flats Plant, Plutonium Laboratory, North-central section of industrial area at 79 Drive, Golden, Jefferson County, CO

Rocky Flats Plant, Plutonium Laboratory, North-central section of indu...

Significance: This building is a secondary contributor to the Rocky Flats Plant historic district, associated with the U.S. strategy of nuclear military deterrence during the Cold War, a strategy considered of ... More

Environmental Health Specialist Jamie A. Keeley, of EG&G Florida Inc., uses an ion chamber dose rate meter to measure radiation levels in one of three radioisotope thermoelectric generators (RTGs) that will provide electrical power to the Cassini spacecraft on its mission to explore the Saturnian system.  The three RTGs and one spare are being tested and mointored in the Radioisotope Thermoelectric Generator Storage Building in the KSC's Industrial Area.  The RTGs use heat from the natural decay of plutonium to generate electric power.  RTGs enable spacecraft to operate far from the Sun where solar power systems are not feasible.  The RTGs on  Cassini are of the same design as those flying on the already deployed Galileo and Ulysses spacecraft.  The Cassini mission is targeted for an Oct. 6 launch aboard a Titan IVB/Centaur expendable launch vehicle. KSC-97PC903

Environmental Health Specialist Jamie A. Keeley, of EG&G Florida Inc.,...

Environmental Health Specialist Jamie A. Keeley, of EG&G Florida Inc., uses an ion chamber dose rate meter to measure radiation levels in one of three radioisotope thermoelectric generators (RTGs) that will pro... More

Jet Propulsion Laboratory (JPL) technicians finish mounting a thermal model of a radioisotope thermoelectric generator (RTG) on the installation cart which will be used to install the RTG in the Cassini spacecraft at Level 14 of Space Launch Complex 40, Cape Canaveral Air Station.  The technicians use the thermal model to practice installation procedures.  The three actual RTGs which will provide electrical power to Cassini on its 6.7-mile trip to the Saturnian system, and during its four-year mission at Saturn, are being tested and monitored in the Radioisotope Thermoelectric Generator Storage Building in KSC's Industrial Area.  The RTGs use heat from the natural decay of plutonium to generate electric power.  RTGs enable spacecraft to operate far from the Sun where solar power systems are not feasible.  The RTGs on Cassini are of the same design as those flying on the already deployed Galileo and Ulysses spacecraft. The Cassini mission is targeted for an October 6 launch aboard a Titan IVB/Centaur expendable launch vehicle.  Cassini is built and managed for NASA by JPL KSC-10941f07

Jet Propulsion Laboratory (JPL) technicians finish mounting a thermal ...

Jet Propulsion Laboratory (JPL) technicians finish mounting a thermal model of a radioisotope thermoelectric generator (RTG) on the installation cart which will be used to install the RTG in the Cassini spacecr... More

Jet Propulsion Laboratory (JPL) workers David Rice,  at left, and Johnny Melendez rotate a radioisotope thermoelectric generator (RTG) to  the horizontal position on a lift fixture in the Payload Hazardous Servicing Facility. The  RTG is one of three generators which will provide electrical power for the Cassini  spacecraft mission to the Saturnian system. The RTGs will be installed on the  powered-up spacecraft for mechanical and electrical verification testing. RTGs use heat  from the natural decay of plutonium to generate electric power. The generators enable  spacecraft to operate far from the Sun where solar power systems are not feasible. The  Cassini mission is scheduled for an Oct. 6 launch aboard a Titan IVB/Centaur  expendable launch vehicle. Cassini is built and managed for NASA by JPL KSC-97PC1069

Jet Propulsion Laboratory (JPL) workers David Rice, at left, and John...

Jet Propulsion Laboratory (JPL) workers David Rice, at left, and Johnny Melendez rotate a radioisotope thermoelectric generator (RTG) to the horizontal position on a lift fixture in the Payload Hazardous Serv... More

This radioisotope thermoelectric generator (RTG), at  center, will undergo mechanical and electrical verification testing now that it has been  installed on the Cassini spacecraft in the Payload Hazardous Servicing Facility. A  handling fixture, at far left, is still attached. Three RTGs will provide electrical power to  Cassini on its 6.7-year trip to the Saturnian system and during its four-year mission at  Saturn. RTGs use heat from the natural decay of plutonium to generate electric power.  The generators enable spacecraft to operate far from the Sun where solar power  systems are not feasible. The Cassini mission is scheduled for an Oct. 6 launch aboard  a Titan IVB/Centaur expendable launch vehicle. Cassini is built and managed for NASA  by the Jet Propulsion Laboratory KSC-97PC1067

This radioisotope thermoelectric generator (RTG), at center, will und...

This radioisotope thermoelectric generator (RTG), at center, will undergo mechanical and electrical verification testing now that it has been installed on the Cassini spacecraft in the Payload Hazardous Servi... More

This radioisotope thermoelectric generator (RTG), at  center, is ready for electrical verification testing now that it has been installed on the Cassini  spacecraft in the Payload Hazardous Servicing Facility. A handling fixture, at far left,  remains attached. This is the third and final RTG to be installed on Cassini for the  prelaunch tests. The RTGs will provide electrical power to Cassini on its 6.7-year trip to  the Saturnian system and during its four-year mission at Saturn. RTGs use heat from  the natural decay of plutonium to generate electric power. The generators enable  spacecraft to operate at great distances from the Sun where solar power systems are  not feasible. The Cassini mission is targeted for an Oct. 6 launch aboard a Titan  IVB/Centaur expendable launch vehicle KSC-97PC1088

This radioisotope thermoelectric generator (RTG), at center, is ready...

This radioisotope thermoelectric generator (RTG), at center, is ready for electrical verification testing now that it has been installed on the Cassini spacecraft in the Payload Hazardous Servicing Facility. ... More

Jet Propulsion Laboratory (JPL) workers prepare the  installation cart (atop the platform) for removal of a radioisotope thermoelectric  generator (RTG) from the adjacent Cassini spacecraft. This is the second of three RTGs   being removed from Cassini after undergoing mechanical and electrical verification tests  in the Payload Hazardous Servicing Facility. The third RTG to be removed is in  background at left. The three RTGs will then be temporarily stored before being  re-installed for flight. The RTGs will provide electrical power to Cassini on its 6.7-year  trip to the Saturnian system and during its four-year mission at Saturn. RTGs use heat  from the natural decay of plutonium to generate electric power. The generators enable  spacecraft to operate far from the Sun where solar power systems are not feasible. The  Cassini mission is scheduled for an Oct. 6 launch aboard a Titan IVB/Centaur  expendable launch vehicle. Cassini is built and managed for NASA by JPL KSC-97pc1065

Jet Propulsion Laboratory (JPL) workers prepare the installation cart...

Jet Propulsion Laboratory (JPL) workers prepare the installation cart (atop the platform) for removal of a radioisotope thermoelectric generator (RTG) from the adjacent Cassini spacecraft. This is the second ... More

Jet Propulsion Laboratory (JPL) workers carefully  roll into place a platform with a second radioisotope thermoelectric generator (RTG) for  installation on the Cassini spacecraft. In background at left, the first of three RTGs  already has been installed on Cassini. The RTGs will provide electrical power to Cassini  on its 6.7-year trip to the Saturnian system and during its four-year mission at Saturn.  The power units are undergoing mechanical and electrical verification testing in the  Payload Hazardous Servicing Facility. RTGs use heat from the natural decay of  plutonium to generate electric power. The generators enable spacecraft to operate far  from the Sun where solar power systems are not feasible. The Cassini mission is  scheduled for an Oct. 6 launch aboard a Titan IVB/Centaur expendable launch vehicle.  Cassini is built and managed for NASA by JPL KSC-97PC1064

Jet Propulsion Laboratory (JPL) workers carefully roll into place a p...

Jet Propulsion Laboratory (JPL) workers carefully roll into place a platform with a second radioisotope thermoelectric generator (RTG) for installation on the Cassini spacecraft. In background at left, the fi... More

Jet Propulsion Laboratory (JPL) workers use a  borescope to verify pressure relief device bellows integrity on a radioisotope  thermoelectric generator (RTG) which has been installed on the Cassini spacecraft in  the Payload Hazardous Servicing Facility. The activity is part of the mechanical and  electrical verification testing of RTGs during prelaunch processing. RTGs use heat from  the natural decay of plutonium to generate electric power. The three RTGs on Cassini  will enable the spacecraft to operate far from the Sun where solar power systems are  not feasible. They will provide electrical power to Cassini on its 6.7-year trip to the  Saturnian system and during its four-year mission at Saturn. The Cassini mission is  scheduled for an Oct. 6 launch aboard a Titan IVB/Centaur expendable launch vehicle.  Cassini is built and managed for NASA by JPL KSC-97PC1070

Jet Propulsion Laboratory (JPL) workers use a borescope to verify pre...

Jet Propulsion Laboratory (JPL) workers use a borescope to verify pressure relief device bellows integrity on a radioisotope thermoelectric generator (RTG) which has been installed on the Cassini spacecraft i... More

Carrying a neutron radiation detector, Fred Sanders  (at center), a health physicist with the Jet Propulsion Laboratory (JPL), and other health  physics personnel monitor radiation in the Payload Hazardous Servicing Facility after  three radioisotope thermoelectric generators (RTGs) were installed on the Cassini  spacecraft for mechanical and electrical verification tests. The RTGs will provide  electrical power to Cassini on its 6.7-year trip to the Saturnian system and during its  four-year mission at Saturn. RTGs use heat from the natural decay of plutonium to  generate electric power. The generators enable spacecraft to operate at great distances  from the Sun where solar power systems are not feasible. The Cassini mission is  targeted for an Oct. 6 launch aboard a Titan IVB/Centaur expendable launch vehicle.  Cassini is built and managed by JPL KSC-97PC1087

Carrying a neutron radiation detector, Fred Sanders (at center), a he...

Carrying a neutron radiation detector, Fred Sanders (at center), a health physicist with the Jet Propulsion Laboratory (JPL), and other health physics personnel monitor radiation in the Payload Hazardous Serv... More

Jet Propulsion Laboratory (JPL) engineers examine  the interface surface on the Cassini spacecraft prior to installation of the third  radioisotope thermoelectric generator (RTG). The other two RTGs, at left, already are  installed on Cassini. The three RTGs will be used to power Cassini on its mission to the  Saturnian system. They are undergoing mechanical and electrical verification testing in  the Payload Hazardous Servicing Facility. RTGs use heat from the natural decay of  plutonium to generate electric power. The generators enable spacecraft to operate far  from the Sun where solar power systems are not feasible. The Cassini mission is  scheduled for an Oct. 6 launch aboard a Titan IVB/Centaur expendable launch vehicle.  Cassini is built and managed for NASA by JPL KSC-97PC1066

Jet Propulsion Laboratory (JPL) engineers examine the interface surfa...

Jet Propulsion Laboratory (JPL) engineers examine the interface surface on the Cassini spacecraft prior to installation of the third radioisotope thermoelectric generator (RTG). The other two RTGs, at left, a... More

Jet Propulsion Laboratory (JPL) workers Dan  Maynard and John Shuping prepare to install a radioisotope thermoelectric generator  (RTG) on the Cassini spacecraft in the Payload Hazardous Servicing Facility (PHSF).  The three RTGs which will provide electrical power to Cassini on its mission to the  Saturnian system are undergoing mechanical and electrical verification testing in the  PHSF. RTGs use heat from the natural decay of plutonium to generate electric power.  The generators enable spacecraft to operate far from the Sun where solar power  systems are not feasible. The Cassini mission is scheduled for an Oct. 6 launch aboard  a Titan IVB/Centaur expendable launch vehicle. Cassini is built and managed for NASA  by JPL KSC-97PC1068

Jet Propulsion Laboratory (JPL) workers Dan Maynard and John Shuping ...

Jet Propulsion Laboratory (JPL) workers Dan Maynard and John Shuping prepare to install a radioisotope thermoelectric generator (RTG) on the Cassini spacecraft in the Payload Hazardous Servicing Facility (PHS... More

Supported on a lift fixture, this radioisotope  thermoelectric generator (RTG), at center, is hoisted from its storage base using the  airlock crane in the Payload Hazardous Servicing Facility (PHSF). Jet Propulsion  Laboratory (JPL) workers are preparing to install the RTG onto the Cassini spacecraft,  in background at left, for mechanical and electrical verification testing. The three RTGs  on Cassini will provide electrical power to the spacecraft on its 6.7-year trip to the  Saturnian system and during its four-year mission at Saturn. RTGs use heat from the  natural decay of plutonium to generate electric power. The generators enable spacecraft  to operate at great distances from the Sun where solar power systems are not feasible.  The Cassini mission is targeted for an Oct. 6 launch aboard a Titan IVB/Centaur  expendable launch vehicle. Cassini is built and managed by JPL KSC-97PC1093

Supported on a lift fixture, this radioisotope thermoelectric generat...

Supported on a lift fixture, this radioisotope thermoelectric generator (RTG), at center, is hoisted from its storage base using the airlock crane in the Payload Hazardous Servicing Facility (PHSF). Jet Propu... More

Lockheed Martin Missile and Space Co. employees  Joe Collingwood, at right, and Ken Dickinson retract pins in the storage base to release  a radioisotope thermoelectric generator (RTG) in preparation for hoisting operations.  This RTG and two others will be installed on the Cassini spacecraft for mechanical and  electrical verification testing in the Payload Hazardous Servicing Facility. The RTGs will  provide electrical power to Cassini on its 6.7-year trip to the Saturnian system and  during its four-year mission at Saturn. RTGs use heat from the natural decay of  plutonium to generate electric power. The generators enable spacecraft to operate at  great distances from the Sun where solar power systems are not feasible. The Cassini  mission is targeted for an Oct. 6 launch aboard a Titan IVB/Centaur expendable launch  vehicle. Cassini is built and managed by NASA’s Jet Propulsion Laboratory KSC-97PC1091

Lockheed Martin Missile and Space Co. employees Joe Collingwood, at r...

Lockheed Martin Missile and Space Co. employees Joe Collingwood, at right, and Ken Dickinson retract pins in the storage base to release a radioisotope thermoelectric generator (RTG) in preparation for hoisti... More

Workers in the Payload Hazardous Servicing Facility   remove the storage collar from a radioisotope thermoelectric generator (RTG) in  preparation for installation on the Cassini spacecraft. Cassini will be outfitted with three  RTGs. The power units are undergoing mechanical and electrical verification tests in the  PHSF. The RTGs will provide electrical power to Cassini on its 6.7-year trip to the  Saturnian system and during its four-year mission at Saturn. RTGs use heat from the  natural decay of plutonium to generate electric power. The generators enable spacecraft  to operate at great distances from the Sun where solar power systems are not feasible.  The Cassini mission is targeted for an Oct. 6 launch aboard a Titan IVB/Centaur  expendable launch vehicle KSC-97PC1090

Workers in the Payload Hazardous Servicing Facility remove the stora...

Workers in the Payload Hazardous Servicing Facility remove the storage collar from a radioisotope thermoelectric generator (RTG) in preparation for installation on the Cassini spacecraft. Cassini will be out... More

Jet Propulsion Laboratory (JPL) employees bolt a  radioisotope thermoelectric generator (RTG) onto the Cassini spacecraft, at left, while  other JPL workers, at right, operate the installation cart on a raised platform in the  Payload Hazardous Servicing Facility (PHSF). Cassini will be outfitted with three RTGs.  The power units are undergoing mechanical and electrical verification tests in the PHSF.  The RTGs will provide electrical power to Cassini on its 6.7-year trip to the Saturnian  system and during its four-year mission at Saturn. RTGs use heat from the natural  decay of plutonium to generate electric power. The generators enable spacecraft to  operate at great distances from the Sun where solar power systems are not feasible.  The Cassini mission is targeted for an Oct. 6 launch aboard a Titan IVB/Centaur  expendable launch vehicle. Cassini is built and managed by JPL KSC-97PC1094

Jet Propulsion Laboratory (JPL) employees bolt a radioisotope thermoe...

Jet Propulsion Laboratory (JPL) employees bolt a radioisotope thermoelectric generator (RTG) onto the Cassini spacecraft, at left, while other JPL workers, at right, operate the installation cart on a raised ... More

Jet Propulsion Laboratory (JPL) employees Norm  Schwartz, at left, and George Nakatsukasa transfer one of three radioisotope  thermoelectric generators (RTGs) to be used on the Cassini spacecraft from the  installation cart to a lift fixture in preparation for returning the power unit to storage. The  three RTGs underwent mechanical and electrical verification testing in the Payload  Hazardous Servicing Facility. The RTGs will provide electrical power to Cassini on its  6.7-year trip to the Saturnian system and during its four-year mission at Saturn. RTGs  use heat from the natural decay of plutonium to generate electric power. The generators  enable spacecraft to operate at great distances from the Sun where solar power  systems are not feasible. The Cassini mission is targeted for an Oct. 6 launch aboard a  Titan IVB/Centaur expendable launch vehicle. Cassini is built and managed by JPL KSC-97PC1089

Jet Propulsion Laboratory (JPL) employees Norm Schwartz, at left, and...

Jet Propulsion Laboratory (JPL) employees Norm Schwartz, at left, and George Nakatsukasa transfer one of three radioisotope thermoelectric generators (RTGs) to be used on the Cassini spacecraft from the inst... More

Jet Propulsion Laboratory (JPL) worker Mary  Reaves mates connectors on a radioisotope thermoelectric generator (RTG) to power  up the Cassini spacecraft, while quality assurance engineer Peter Sorci looks on. The  three RTGs which will be used on Cassini are undergoing mechanical and electrical  verification testing in the Payload Hazardous Servicing Facility. The RTGs will provide  electrical power to Cassini on its 6.7-year trip to the Saturnian system and during its  four-year mission at Saturn. RTGs use heat from the natural decay of plutonium to  generate electric power. The generators enable spacecraft to operate at great distances  from the Sun where solar power systems are not feasible. The Cassini mission is  targeted for an Oct. 6 launch aboard a Titan IVB/Centaur expendable launch vehicle.  Cassini is built and managed by JPL KSC-97PC1092

Jet Propulsion Laboratory (JPL) worker Mary Reaves mates connectors o...

Jet Propulsion Laboratory (JPL) worker Mary Reaves mates connectors on a radioisotope thermoelectric generator (RTG) to power up the Cassini spacecraft, while quality assurance engineer Peter Sorci looks on. ... More

At Launch Complex 40 on Cape Canaveral Air Station, workers are installing three Radioisotope Thermoelectric Generators (RTGs) on the Cassini spacecraft. RTGs are lightweight, compact spacecraft electrical power systems that have flown successfully on 23 previous U.S. missions over the past 37 years. These generators produce power by converting heat into electrical energy; the heat is provided by the natural radioactive decay of plutonium-238 dioxide, a non-weapons-grade material. RTGs enable spacecraft to operate at significant distances from the Sun where solar power systems would not be feasible. Cassini will travel two billion miles to reach Saturn and another 1.1 billion miles while in orbit around Saturn. Cassini is undergoing final preparations for liftoff on a Titan IVB/Centaur launch vehicle, with the launch window opening at 4:55 a.m. EDT, Oct. 13 KSC-97PC1535

At Launch Complex 40 on Cape Canaveral Air Station, workers are instal...

At Launch Complex 40 on Cape Canaveral Air Station, workers are installing three Radioisotope Thermoelectric Generators (RTGs) on the Cassini spacecraft. RTGs are lightweight, compact spacecraft electrical powe... More

KENNEDY SPACE CENTER, FLA. -- At Launch Complex 40 on Cape Canaveral Air Station, workers are installing three Radioisotope Thermoelectric Generators (RTGs) on the Cassini spacecraft. RTGs are lightweight, compact spacecraft electrical power systems that have flown successfully on 23 previous U.S. missions over the past 37 years. These generators produce power by converting heat into electrical energy; the heat is provided by the natural radioactive decay of plutonium-238 dioxide, a non-weapons-grade material. RTGs enable spacecraft to operate at significant distances from the Sun where solar power systems would not be feasible. Cassini will travel two billion miles to reach Saturn and another 1.1 billion miles while in orbit around Saturn. Cassini is undergoing final preparations for liftoff on a Titan IVB/Centaur launch vehicle, with the launch window opening at 4:55 a.m. EDT, Oct. 13 KSC-97PC1536

KENNEDY SPACE CENTER, FLA. -- At Launch Complex 40 on Cape Canaveral A...

KENNEDY SPACE CENTER, FLA. -- At Launch Complex 40 on Cape Canaveral Air Station, workers are installing three Radioisotope Thermoelectric Generators (RTGs) on the Cassini spacecraft. RTGs are lightweight, comp... More

At Launch Complex 40 on Cape Canaveral Air Station, one of three Radioisotope Thermoelectric Generators (RTGs) is being installed on the Cassini spacecraft. RTGs are lightweight, compact spacecraft electrical power systems that have flown successfully on 23 previous U.S. missions over the past 37 years. These generators produce power by converting heat into electrical energy; the heat is provided by the natural radioactive decay of plutonium-238 dioxide, a non-weapons-grade material. RTGs enable spacecraft to operate at significant distances from the Sun where solar power systems would not be feasible. Cassini will travel two billion miles to reach Saturn and another 1.1 billion miles while in orbit around Saturn. Cassini is undergoing final preparations for liftoff on a Titan IVB/Centaur launch vehicle, with the launch window opening at 4:55 a.m. EDT, Oct. 13 KSC-97PC1534

At Launch Complex 40 on Cape Canaveral Air Station, one of three Radio...

At Launch Complex 40 on Cape Canaveral Air Station, one of three Radioisotope Thermoelectric Generators (RTGs) is being installed on the Cassini spacecraft. RTGs are lightweight, compact spacecraft electrical p... More

At Launch Complex 40 on Cape Canaveral Air Station, workers are installing three Radioisotope Thermoelectric Generators (RTGs) on the Cassini spacecraft. RTGs are lightweight, compact spacecraft electrical power systems that have flown successfully on 23 previous U.S. missions over the past 37 years. These generators produce power by converting heat into electrical energy; the heat is provided by the natural radioactive decay of plutonium-238 dioxide, a non-weapons-grade material. RTGs enable spacecraft to operate at significant distances from the Sun where solar power systems would not be feasible. Cassini will travel two billion miles to reach Saturn and another 1.1 billion miles while in orbit around Saturn. Cassini is undergoing final preparations for liftoff on a Titan IVB/Centaur launch vehicle, with the launch window opening at 4:55 a.m. EDT, Oct. 13 KSC-97PC1538

At Launch Complex 40 on Cape Canaveral Air Station, workers are instal...

At Launch Complex 40 on Cape Canaveral Air Station, workers are installing three Radioisotope Thermoelectric Generators (RTGs) on the Cassini spacecraft. RTGs are lightweight, compact spacecraft electrical powe... More

KENNEDY SPACE CENTER, FLA. -- At Launch Complex 40 on Cape Canaveral Air Station, workers are installing three Radioisotope Thermoelectric Generators (RTGs) on the Cassini spacecraft. RTGs are lightweight, compact spacecraft electrical power systems that have flown successfully on 23 previous U.S. missions over the past 37 years. These generators produce power by converting heat into electrical energy; the heat is provided by the natural radioactive decay of plutonium-238 dioxide, a non-weapons-grade material. RTGs enable spacecraft to operate at significant distances from the Sun where solar power systems would not be feasible. Cassini will travel two billion miles to reach Saturn and another 1.1 billion miles while in orbit around Saturn. Cassini is undergoing final preparations for liftoff on a Titan IVB/Centaur launch vehicle, with the launch window opening at 4:55 a.m. EDT, Oct. 13 KSC-97PC1532

KENNEDY SPACE CENTER, FLA. -- At Launch Complex 40 on Cape Canaveral A...

KENNEDY SPACE CENTER, FLA. -- At Launch Complex 40 on Cape Canaveral Air Station, workers are installing three Radioisotope Thermoelectric Generators (RTGs) on the Cassini spacecraft. RTGs are lightweight, comp... More

At Launch Complex 40 on Cape Canaveral Air Station, workers are installing three Radioisotope Thermoelectric Generators (RTGs) on the Cassini spacecraft. RTGs are lightweight, compact spacecraft electrical power systems that have flown successfully on 23 previous U.S. missions over the past 37 years. These generators produce power by converting heat into electrical energy; the heat is provided by the natural radioactive decay of plutonium-238 dioxide, a non-weapons-grade material. RTGs enable spacecraft to operate at significant distances from the Sun where solar power systems would not be feasible. Cassini will travel two billion miles to reach Saturn and another 1.1 billion miles while in orbit around Saturn. Cassini is undergoing final preparations for liftoff on a Titan IVB/Centaur launch vehicle, with the launch window opening at 4:55 a.m. EDT, Oct. 13 KSC-97PC1533

At Launch Complex 40 on Cape Canaveral Air Station, workers are instal...

At Launch Complex 40 on Cape Canaveral Air Station, workers are installing three Radioisotope Thermoelectric Generators (RTGs) on the Cassini spacecraft. RTGs are lightweight, compact spacecraft electrical powe... More

At Launch Complex 40 on Cape Canaveral Air Station, workers are installing three Radioisotope Thermoelectric Generators (RTGs) on the Cassini spacecraft. RTGs are lightweight, compact spacecraft electrical power systems that have flown successfully on 23 previous U.S. missions over the past 37 years. These generators produce power by converting heat into electrical energy; the heat is provided by the natural radioactive decay of plutonium-238 dioxide, a non-weapons-grade material. RTGs enable spacecraft to operate at significant distances from the Sun where solar power systems would not be feasible. Cassini will travel two billion miles to reach Saturn and another 1.1 billion miles while in orbit around Saturn. Cassini is undergoing final preparations for liftoff on a Titan IVB/Centaur launch vehicle, with the launch window opening at 4:55 a.m. EDT, Oct. 13 KSC-97PC1537

At Launch Complex 40 on Cape Canaveral Air Station, workers are instal...

At Launch Complex 40 on Cape Canaveral Air Station, workers are installing three Radioisotope Thermoelectric Generators (RTGs) on the Cassini spacecraft. RTGs are lightweight, compact spacecraft electrical powe... More

KENNEDY SPACE CENTER, FLA.  — On Complex 41 at Cape Canaveral Air Force Station in Florida, workers on the ground oversee the radioisotope thermoelectric generator (RTG) being lifted into the Vertical Integration Facility.  The RTG will be installed on the New Horizons spacecraft within the fairing at the top of the Atlas V launch vehicle.  Designed and integrated at the Johns Hopkins University Applied Physics Laboratory (APL) in Laurel, Md., New Horizons will launch on a nine-and-a-half-year voyage to Pluto. Typical of RTG-based systems, as on past outer-planet missions, New Horizons does not have a battery for storing power. At the start of the mission, the RTG, which provides power through the natural radioactive decay of plutonium dioxide fuel, will supply approximately 240 watts (at 30 volts of direct current) - the spacecraft’s shunt regulator unit maintains a steady input from the RTG and dissipates power the spacecraft cannot use at a given time. By July 2015 (the earliest Pluto encounter date) that supply decreases to 200 watts at the same voltage, so New Horizons will ease the strain on its limited power source by cycling science instruments during planetary encounters.  On Complex 41 at Cape Canaveral Air Force Station in Florida, workers on the ground oversee the radioisotope thermoelectric generator (RTG) being lifted into the Vertical Integration Facility.  The RTG will be installed on the New Horizons spacecraft within the fairing at the top of the Atlas V launch vehicle.  Designed and integrated at the Johns Hopkins University Applied Physics Laboratory (APL) in Laurel, Md., New Horizons will launch on a nine-and-a-half-year voyage to Pluto. Typical of RTG-based systems, as on past outer-planet missions, New Horizons does not have a battery for storing power. At the start of the mission, the RTG, which provides power through the natural radioactive decay of plutonium dioxide fuel, will supply approximately 240 watts (at 30 volts of direct curren KSC-06pd0145

KENNEDY SPACE CENTER, FLA. — On Complex 41 at Cape Canaveral Air Forc...

KENNEDY SPACE CENTER, FLA. — On Complex 41 at Cape Canaveral Air Force Station in Florida, workers on the ground oversee the radioisotope thermoelectric generator (RTG) being lifted into the Vertical Integrati... More

KENNEDY SPACE CENTER, FLA.  — On Complex 41 at Cape Canaveral Air Force Station in Florida, workers move the radioisotope thermoelectric generator (RTG).  The generator will be installed on the New Horizons spacecraft encapsulated inside the fairing.  Designed and integrated at the Johns Hopkins University Applied Physics Laboratory (APL) in Laurel, Md., New Horizons will launch on a nine-and-a-half-year voyage to Pluto. Typical of RTG-based systems, as on past outer-planet missions, New Horizons does not have a battery for storing power. At the start of the mission, the RTG, which provides power through the natural radioactive decay of plutonium dioxide fuel, will supply approximately 240 watts (at 30 volts of direct current) - the spacecraft’s shunt regulator unit maintains a steady input from the RTG and dissipates power the spacecraft cannot use at a given time. By July 2015 (the earliest Pluto encounter date) that supply decreases to 200 watts at the same voltage, so New Horizons will ease the strain on its limited power source by cycling science instruments during planetary encounters.  On Complex 41 at Cape Canaveral Air Force Station in Florida, workers on the ground oversee the radioisotope thermoelectric generator (RTG) being lifted into the Vertical Integration Facility.  The RTG will be installed on the New Horizons spacecraft within the fairing at the top of the Atlas V launch vehicle.  Designed and integrated at the Johns Hopkins University Applied Physics Laboratory (APL) in Laurel, Md., New Horizons will launch on a nine-and-a-half-year voyage to Pluto. Typical of RTG-based systems, as on past outer-planet missions, New Horizons does not have a battery for storing power. At the start of the mission, the RTG, which provides power through the natural radioactive decay of plutonium dioxide fuel, will supply approximately 240 watts (at 30 volts of direct current) - the spacecraft’s shunt regulator unit maintains a steady input from the RTG and diss KSC-06pd0149

KENNEDY SPACE CENTER, FLA. — On Complex 41 at Cape Canaveral Air Forc...

KENNEDY SPACE CENTER, FLA. — On Complex 41 at Cape Canaveral Air Force Station in Florida, workers move the radioisotope thermoelectric generator (RTG). The generator will be installed on the New Horizons spa... More

KENNEDY SPACE CENTER, FLA.  — On Complex 41 at Cape Canaveral Air Force Station in Florida, the radioisotope thermoelectric generator (RTG) is being lifted into the Vertical Integration Facility.  The RTG will be installed on the New Horizons spacecraft within the fairing at the top of the Atlas V launch vehicle.  Designed and integrated at the Johns Hopkins University Applied Physics Laboratory (APL) in Laurel, Md., New Horizons will launch on a nine-and-a-half-year voyage to Pluto. Typical of RTG-based systems, as on past outer-planet missions, New Horizons does not have a battery for storing power. At the start of the mission, the RTG, which provides power through the natural radioactive decay of plutonium dioxide fuel, will supply approximately 240 watts (at 30 volts of direct current) - the spacecraft’s shunt regulator unit maintains a steady input from the RTG and dissipates power the spacecraft cannot use at a given time. By July 2015 (the earliest Pluto encounter date) that supply decreases to 200 watts at the same voltage, so New Horizons will ease the strain on its limited power source by cycling science instruments during planetary encounters.  On Complex 41 at Cape Canaveral Air Force Station in Florida, workers on the ground oversee the radioisotope thermoelectric generator (RTG) being lifted into the Vertical Integration Facility.  The RTG will be installed on the New Horizons spacecraft within the fairing at the top of the Atlas V launch vehicle.  Designed and integrated at the Johns Hopkins University Applied Physics Laboratory (APL) in Laurel, Md., New Horizons will launch on a nine-and-a-half-year voyage to Pluto. Typical of RTG-based systems, as on past outer-planet missions, New Horizons does not have a battery for storing power. At the start of the mission, the RTG, which provides power through the natural radioactive decay of plutonium dioxide fuel, will supply approximately 240 watts (at 30 volts of direct current) - the spacecraft’s shu KSC-06pd0146

KENNEDY SPACE CENTER, FLA. — On Complex 41 at Cape Canaveral Air Forc...

KENNEDY SPACE CENTER, FLA. — On Complex 41 at Cape Canaveral Air Force Station in Florida, the radioisotope thermoelectric generator (RTG) is being lifted into the Vertical Integration Facility. The RTG will ... More

KENNEDY SPACE CENTER, FLA.  — On Complex 41 at Cape Canaveral Air Force Station in Florida, the radioisotope thermoelectric generator (RTG) arrives at the upper level of the Vertical Integration Facility.  The RTG will be installed on the New Horizons spacecraft encapsulated inside the fairing, at left.      Designed and integrated at the Johns Hopkins University Applied Physics Laboratory (APL) in Laurel, Md., New Horizons will launch on a nine-and-a-half-year voyage to Pluto. Typical of RTG-based systems, as on past outer-planet missions, New Horizons does not have a battery for storing power. At the start of the mission, the RTG, which provides power through the natural radioactive decay of plutonium dioxide fuel, will supply approximately 240 watts (at 30 volts of direct current) - the spacecraft’s shunt regulator unit maintains a steady input from the RTG and dissipates power the spacecraft cannot use at a given time. By July 2015 (the earliest Pluto encounter date) that supply decreases to 200 watts at the same voltage, so New Horizons will ease the strain on its limited power source by cycling science instruments during planetary encounters.  On Complex 41 at Cape Canaveral Air Force Station in Florida, workers on the ground oversee the radioisotope thermoelectric generator (RTG) being lifted into the Vertical Integration Facility.  The RTG will be installed on the New Horizons spacecraft within the fairing at the top of the Atlas V launch vehicle.  Designed and integrated at the Johns Hopkins University Applied Physics Laboratory (APL) in Laurel, Md., New Horizons will launch on a nine-and-a-half-year voyage to Pluto. Typical of RTG-based systems, as on past outer-planet missions, New Horizons does not have a battery for storing power. At the start of the mission, the RTG, which provides power through the natural radioactive decay of plutonium dioxide fuel, will supply approximately 240 watts (at 30 volts of direct current) - the spacecraft’s shunt reg KSC-06pd0147

KENNEDY SPACE CENTER, FLA. — On Complex 41 at Cape Canaveral Air Forc...

KENNEDY SPACE CENTER, FLA. — On Complex 41 at Cape Canaveral Air Force Station in Florida, the radioisotope thermoelectric generator (RTG) arrives at the upper level of the Vertical Integration Facility. The ... More

KENNEDY SPACE CENTER, FLA.  — On Complex 41 at Cape Canaveral Air Force Station in Florida, the radioisotope thermoelectric generator (RTG) is attached to the New Horizons spacecraft inside the fairing.  Designed and integrated at the Johns Hopkins University Applied Physics Laboratory (APL) in Laurel, Md., New Horizons will launch on a nine-and-a-half-year voyage to Pluto. Typical of RTG-based systems, as on past outer-planet missions, New Horizons does not have a battery for storing power. At the start of the mission, the RTG, which provides power through the natural radioactive decay of plutonium dioxide fuel, will supply approximately 240 watts (at 30 volts of direct current) - the spacecraft’s shunt regulator unit maintains a steady input from the RTG and dissipates power the spacecraft cannot use at a given time. By July 2015 (the earliest Pluto encounter date) that supply decreases to 200 watts at the same voltage, so New Horizons will ease the strain on its limited power source by cycling science instruments during planetary encounters.  On Complex 41 at Cape Canaveral Air Force Station in Florida, workers on the ground oversee the radioisotope thermoelectric generator (RTG) being lifted into the Vertical Integration Facility.  The RTG will be installed on the New Horizons spacecraft within the fairing at the top of the Atlas V launch vehicle.  Designed and integrated at the Johns Hopkins University Applied Physics Laboratory (APL) in Laurel, Md., New Horizons will launch on a nine-and-a-half-year voyage to Pluto. Typical of RTG-based systems, as on past outer-planet missions, New Horizons does not have a battery for storing power. At the start of the mission, the RTG, which provides power through the natural radioactive decay of plutonium dioxide fuel, will supply approximately 240 watts (at 30 volts of direct current) - the spacecraft’s shunt regulator unit maintains a steady input from the RTG and dissipates power the spacecraft cannot use at a give KSC-06pd0151

KENNEDY SPACE CENTER, FLA. — On Complex 41 at Cape Canaveral Air Forc...

KENNEDY SPACE CENTER, FLA. — On Complex 41 at Cape Canaveral Air Force Station in Florida, the radioisotope thermoelectric generator (RTG) is attached to the New Horizons spacecraft inside the fairing. Design... More

KENNEDY SPACE CENTER, FLA.  — On Complex 41 at Cape Canaveral Air Force Station in Florida, the radioisotope thermoelectric generator (RTG) is attached to the New Horizons spacecraft inside the fairing.  Designed and integrated at the Johns Hopkins University Applied Physics Laboratory (APL) in Laurel, Md., New Horizons will launch on a nine-and-a-half-year voyage to Pluto. Typical of RTG-based systems, as on past outer-planet missions, New Horizons does not have a battery for storing power. At the start of the mission, the RTG, which provides power through the natural radioactive decay of plutonium dioxide fuel, will supply approximately 240 watts (at 30 volts of direct current) - the spacecraft’s shunt regulator unit maintains a steady input from the RTG and dissipates power the spacecraft cannot use at a given time. By July 2015 (the earliest Pluto encounter date) that supply decreases to 200 watts at the same voltage, so New Horizons will ease the strain on its limited power source by cycling science instruments during planetary encounters.  On Complex 41 at Cape Canaveral Air Force Station in Florida, workers on the ground oversee the radioisotope thermoelectric generator (RTG) being lifted into the Vertical Integration Facility.  The RTG will be installed on the New Horizons spacecraft within the fairing at the top of the Atlas V launch vehicle.  Designed and integrated at the Johns Hopkins University Applied Physics Laboratory (APL) in Laurel, Md., New Horizons will launch on a nine-and-a-half-year voyage to Pluto. Typical of RTG-based systems, as on past outer-planet missions, New Horizons does not have a battery for storing power. At the start of the mission, the RTG, which provides power through the natural radioactive decay of plutonium dioxide fuel, will supply approximately 240 watts (at 30 volts of direct current) - the spacecraft’s shunt regulator unit maintains a steady input from the RTG and dissipates power the spacecraft cannot use at a give KSC-06pd0152

KENNEDY SPACE CENTER, FLA. — On Complex 41 at Cape Canaveral Air Forc...

KENNEDY SPACE CENTER, FLA. — On Complex 41 at Cape Canaveral Air Force Station in Florida, the radioisotope thermoelectric generator (RTG) is attached to the New Horizons spacecraft inside the fairing. Design... More

KENNEDY SPACE CENTER, FLA.  — On Complex 41 at Cape Canaveral Air Force Station in Florida, workers move the radioisotope thermoelectric generator (RTG) into an area of the fairing containing the New Horizons spacecraft, to which it will be attached.  Designed and integrated at the Johns Hopkins University Applied Physics Laboratory (APL) in Laurel, Md., New Horizons will launch on a nine-and-a-half-year voyage to Pluto. Typical of RTG-based systems, as on past outer-planet missions, New Horizons does not have a battery for storing power. At the start of the mission, the RTG, which provides power through the natural radioactive decay of plutonium dioxide fuel, will supply approximately 240 watts (at 30 volts of direct current) - the spacecraft’s shunt regulator unit maintains a steady input from the RTG and dissipates power the spacecraft cannot use at a given time. By July 2015 (the earliest Pluto encounter date) that supply decreases to 200 watts at the same voltage, so New Horizons will ease the strain on its limited power source by cycling science instruments during planetary encounters.  On Complex 41 at Cape Canaveral Air Force Station in Florida, workers on the ground oversee the radioisotope thermoelectric generator (RTG) being lifted into the Vertical Integration Facility.  The RTG will be installed on the New Horizons spacecraft within the fairing at the top of the Atlas V launch vehicle.  Designed and integrated at the Johns Hopkins University Applied Physics Laboratory (APL) in Laurel, Md., New Horizons will launch on a nine-and-a-half-year voyage to Pluto. Typical of RTG-based systems, as on past outer-planet missions, New Horizons does not have a battery for storing power. At the start of the mission, the RTG, which provides power through the natural radioactive decay of plutonium dioxide fuel, will supply approximately 240 watts (at 30 volts of direct current) - the spacecraft’s shunt regulator unit maintains a steady input from the RTG and diss KSC-06pd0150

KENNEDY SPACE CENTER, FLA. — On Complex 41 at Cape Canaveral Air Forc...

KENNEDY SPACE CENTER, FLA. — On Complex 41 at Cape Canaveral Air Force Station in Florida, workers move the radioisotope thermoelectric generator (RTG) into an area of the fairing containing the New Horizons s... More

KENNEDY SPACE CENTER, FLA.  — On Complex 41 at Cape Canaveral Air Force Station in Florida, the radioisotope thermoelectric generator (RTG) in the foreground has been removed from its caged enclosure.  The RTG will be installed on the New Horizons spacecraft encapsulated inside the fairing, at right.    Designed and integrated at the Johns Hopkins University Applied Physics Laboratory (APL) in Laurel, Md., New Horizons will launch on a nine-and-a-half-year voyage to Pluto. Typical of RTG-based systems, as on past outer-planet missions, New Horizons does not have a battery for storing power. At the start of the mission, the RTG, which provides power through the natural radioactive decay of plutonium dioxide fuel, will supply approximately 240 watts (at 30 volts of direct current) - the spacecraft’s shunt regulator unit maintains a steady input from the RTG and dissipates power the spacecraft cannot use at a given time. By July 2015 (the earliest Pluto encounter date) that supply decreases to 200 watts at the same voltage, so New Horizons will ease the strain on its limited power source by cycling science instruments during planetary encounters.  On Complex 41 at Cape Canaveral Air Force Station in Florida, workers on the ground oversee the radioisotope thermoelectric generator (RTG) being lifted into the Vertical Integration Facility.  The RTG will be installed on the New Horizons spacecraft within the fairing at the top of the Atlas V launch vehicle.  Designed and integrated at the Johns Hopkins University Applied Physics Laboratory (APL) in Laurel, Md., New Horizons will launch on a nine-and-a-half-year voyage to Pluto. Typical of RTG-based systems, as on past outer-planet missions, New Horizons does not have a battery for storing power. At the start of the mission, the RTG, which provides power through the natural radioactive decay of plutonium dioxide fuel, will supply approximately 240 watts (at 30 volts of direct current) - the spacecraft’s shunt regulato KSC-06pd0148

KENNEDY SPACE CENTER, FLA. — On Complex 41 at Cape Canaveral Air Forc...

KENNEDY SPACE CENTER, FLA. — On Complex 41 at Cape Canaveral Air Force Station in Florida, the radioisotope thermoelectric generator (RTG) in the foreground has been removed from its caged enclosure. The RTG ... More

CAPE CANAVERAL, Fla. -- In the high bay of the RTG storage facility at NASA's Kennedy Space Center in Florida, the external and internal protective layers of the shipping cask are lifted away from the multi-mission radioisotope thermoelectric generator (MMRTG) for NASA's Mars Science Laboratory mission.  The MMRTG no longer needs supplemental cooling since any excess heat generated can dissipate into the air in the high bay.      The MMRTG will generate the power needed for the mission from the natural decay of plutonium-238, a non-weapons-grade form of the radioisotope. Heat given off by this natural decay will provide constant power through the day and night during all seasons.     Waste heat from the MMRTG will be circulated throughout the rover system to keep instruments, computers, mechanical devices and communications systems within their operating temperature ranges.      MSL's components include a compact car-sized rover, Curiosity, which has 10 science instruments designed to search for evidence on whether Mars has had environments favorable to microbial life, including chemical ingredients for life.  The unique rover will use a laser to look inside rocks and release its gasses so that the rover’s spectrometer can analyze and send the data back to Earth. Launch of MSL aboard a United Launch Alliance Atlas V rocket is scheduled for Nov. 25 from Space Launch Complex 41 on Cape Canaveral Air Force Station in Florida. For more information, visit http://www.nasa.gov/msl. Photo credit: NASA/Frankie Martin KSC-2011-6665

CAPE CANAVERAL, Fla. -- In the high bay of the RTG storage facility at...

CAPE CANAVERAL, Fla. -- In the high bay of the RTG storage facility at NASA's Kennedy Space Center in Florida, the external and internal protective layers of the shipping cask are lifted away from the multi-mis... More

CAPE CANAVERAL, Fla. -- The multi-mission radioisotope thermoelectric generator (MMRTG) for NASA's Mars Science Laboratory (MSL) mission, enclosed in a shipping cask in the MMRTG trailer, arrives at the RTG storage facility at NASA's Kennedy Space Center in Florida. During transport, coolant flows through hoses connected to the cask to dissipate any excess heat generated by the MMRTG.      The MMRTG will generate the power needed for the mission from the natural decay of plutonium-238, a non-weapons-grade form of the radioisotope. Heat given off by this natural decay will provide constant power through the day and night during all seasons.     Waste heat from the MMRTG will be circulated throughout the rover system to keep instruments, computers, mechanical devices and communications systems within their operating temperature ranges.     MSL's components include a compact car-sized rover, Curiosity, which has 10 science instruments designed to search for evidence on whether Mars has had environments favorable to microbial life, including chemical ingredients for life.  The unique rover will use a laser to look inside rocks and release its gasses so that the rover’s spectrometer can analyze and send the data back to Earth. Launch of MSL aboard a United Launch Alliance Atlas V rocket is scheduled for Nov. 25 from Space Launch Complex 41 on Cape Canaveral Air Force Station in Florida. For more information, visit http://www.nasa.gov/msl. Photo credit: NASA/Frankie Martin KSC-2011-6646

CAPE CANAVERAL, Fla. -- The multi-mission radioisotope thermoelectric ...

CAPE CANAVERAL, Fla. -- The multi-mission radioisotope thermoelectric generator (MMRTG) for NASA's Mars Science Laboratory (MSL) mission, enclosed in a shipping cask in the MMRTG trailer, arrives at the RTG sto... More

CAPE CANAVERAL, Fla. -- Workers use a forklift to offload the shipping cask enclosing the multi-mission radioisotope thermoelectric generator (MMRTG) for NASA's Mars Science Laboratory mission from the MMRTG trailer that delivered it to the RTG storage facility at NASA's Kennedy Space Center in Florida.      The MMRTG will generate the power needed for the mission from the natural decay of plutonium-238, a non-weapons-grade form of the radioisotope. Heat given off by this natural decay will provide constant power through the day and night during all seasons.       Waste heat from the MMRTG will be circulated throughout the rover system to keep instruments, computers, mechanical devices and communications systems within their operating temperature ranges.     MSL's components include a compact car-sized rover, Curiosity, which has 10 science instruments designed to search for evidence on whether Mars has had environments favorable to microbial life, including chemical ingredients for life.  The unique rover will use a laser to look inside rocks and release its gasses so that the rover’s spectrometer can analyze and send the data back to Earth. Launch of MSL aboard a United Launch Alliance Atlas V rocket is scheduled for Nov. 25 from Space Launch Complex 41 on Cape Canaveral Air Force Station in Florida. For more information, visit http://www.nasa.gov/msl. Photo credit: NASA/Frankie Martin KSC-2011-6648

CAPE CANAVERAL, Fla. -- Workers use a forklift to offload the shipping...

CAPE CANAVERAL, Fla. -- Workers use a forklift to offload the shipping cask enclosing the multi-mission radioisotope thermoelectric generator (MMRTG) for NASA's Mars Science Laboratory mission from the MMRTG tr... More

CAPE CANAVERAL, Fla. -- In the high bay of the RTG storage facility at NASA's Kennedy Space Center in Florida, a Department of Energy contractor employee guides the external and internal protective layers  of the shipping cask as they are lifted from around the multi-mission radioisotope thermoelectric generator (MMRTG) for NASA's Mars Science Laboratory mission.  The MMRTG no longer needs supplemental cooling since any excess heat generated can dissipate into the air in the high bay.    The MMRTG will generate the power needed for the mission from the natural decay of plutonium-238, a non-weapons-grade form of the radioisotope. Heat given off by this natural decay will provide constant power through the day and night during all seasons.    Waste heat from the MMRTG will be circulated throughout the rover system to keep instruments, computers, mechanical devices and communications systems within their operating temperature ranges.      MSL's components include a compact car-sized rover, Curiosity, which has 10 science instruments designed to search for evidence on whether Mars has had environments favorable to microbial life, including chemical ingredients for life.  The unique rover will use a laser to look inside rocks and release its gasses so that the rover’s spectrometer can analyze and send the data back to Earth. Launch of MSL aboard a United Launch Alliance Atlas V rocket is scheduled for Nov. 25 from Space Launch Complex 41 on Cape Canaveral Air Force Station in Florida. For more information, visit http://www.nasa.gov/msl. Photo credit: NASA/Frankie Martin KSC-2011-6664

CAPE CANAVERAL, Fla. -- In the high bay of the RTG storage facility at...

CAPE CANAVERAL, Fla. -- In the high bay of the RTG storage facility at NASA's Kennedy Space Center in Florida, a Department of Energy contractor employee guides the external and internal protective layers of t... More

CAPE CANAVERAL, Fla. -- In the high bay of the RTG storage facility at NASA's Kennedy Space Center in Florida, Department of Energy contractor employees remove the external and internal protective layers of the shipping cask enclosing the multi-mission radioisotope thermoelectric generator (MMRTG) for NASA's Mars Science Laboratory mission.    The MMRTG will generate the power needed for the mission from the natural decay of plutonium-238, a non-weapons-grade form of the radioisotope. Heat given off by this natural decay will provide constant power through the day and night during all seasons.     Waste heat from the MMRTG will be circulated throughout the rover system to keep instruments, computers, mechanical devices and communications systems within their operating temperature ranges.     MSL's components include a compact car-sized rover, Curiosity, which has 10 science instruments designed to search for evidence on whether Mars has had environments favorable to microbial life, including chemical ingredients for life.  The unique rover will use a laser to look inside rocks and release its gasses so that the rover’s spectrometer can analyze and send the data back to Earth. Launch of MSL aboard a United Launch Alliance Atlas V rocket is scheduled for Nov. 25 from Space Launch Complex 41 on Cape Canaveral Air Force Station in Florida. For more information, visit http://www.nasa.gov/msl. Photo credit: NASA/Frankie Martin KSC-2011-6662

CAPE CANAVERAL, Fla. -- In the high bay of the RTG storage facility at...

CAPE CANAVERAL, Fla. -- In the high bay of the RTG storage facility at NASA's Kennedy Space Center in Florida, Department of Energy contractor employees remove the external and internal protective layers of the... More

CAPE CANAVERAL, Fla. -- In the high bay of the RTG storage facility at NASA's Kennedy Space Center in Florida, a crane lifts the shipping cask enclosing the multi-mission radioisotope thermoelectric generator (MMRTG) for NASA's Mars Science Laboratory mission from its transportation pallet.    The MMRTG will generate the power needed for the mission from the natural decay of plutonium-238, a non-weapons-grade form of the radioisotope. Heat given off by this natural decay will provide constant power through the day and night during all seasons.     Waste heat from the MMRTG will be circulated throughout the rover system to keep instruments, computers, mechanical devices and communications systems within their operating temperature ranges.     MSL's components include a compact car-sized rover, Curiosity, which has 10 science instruments designed to search for evidence on whether Mars has had environments favorable to microbial life, including chemical ingredients for life.  The unique rover will use a laser to look inside rocks and release its gasses so that the rover’s spectrometer can analyze and send the data back to Earth. Launch of MSL aboard a United Launch Alliance Atlas V rocket is scheduled for Nov. 25 from Space Launch Complex 41 on Cape Canaveral Air Force Station in Florida. For more information, visit http://www.nasa.gov/msl. Photo credit: NASA/Frankie Martin KSC-2011-6658

CAPE CANAVERAL, Fla. -- In the high bay of the RTG storage facility at...

CAPE CANAVERAL, Fla. -- In the high bay of the RTG storage facility at NASA's Kennedy Space Center in Florida, a crane lifts the shipping cask enclosing the multi-mission radioisotope thermoelectric generator (... More

CAPE CANAVERAL, Fla. -- In the high bay of the RTG storage facility at NASA's Kennedy Space Center in Florida, Innovative Health Applications employee David Lake measures the level of radioactivity emitted from the multi-mission radioisotope thermoelectric generator (MMRTG) for NASA's Mars Science Laboratory mission as the external protective layer of the shipping cask is removed.    The MMRTG will generate the power needed for the mission from the natural decay of plutonium-238, a non-weapons-grade form of the radioisotope. Heat given off by this natural decay will provide constant power through the day and night during all seasons.     Waste heat from the MMRTG will be circulated throughout the rover system to keep instruments, computers, mechanical devices and communications systems within their operating temperature ranges.    MSL's components include a compact car-sized rover, Curiosity, which has 10 science instruments designed to search for evidence on whether Mars has had environments favorable to microbial life, including chemical ingredients for life.  The unique rover will use a laser to look inside rocks and release its gasses so that the rover’s spectrometer can analyze and send the data back to Earth. Launch of MSL aboard a United Launch Alliance Atlas V rocket is scheduled for Nov. 25 from Space Launch Complex 41 on Cape Canaveral Air Force Station in Florida. For more information, visit http://www.nasa.gov/msl. Photo credit: NASA/Frankie Martin KSC-2011-6661

CAPE CANAVERAL, Fla. -- In the high bay of the RTG storage facility at...

CAPE CANAVERAL, Fla. -- In the high bay of the RTG storage facility at NASA's Kennedy Space Center in Florida, Innovative Health Applications employee David Lake measures the level of radioactivity emitted from... More

CAPE CANAVERAL, Fla. -- In the high bay of the RTG storage facility at NASA's Kennedy Space Center in Florida, the shipping cask enclosing the multi-mission radioisotope thermoelectric generator (MMRTG) for NASA's Mars Science Laboratory mission is lifted from around the MMRTG using guide rods installed on the support base.    The MMRTG will generate the power needed for the mission from the natural decay of plutonium-238, a non-weapons-grade form of the radioisotope. Heat given off by this natural decay will provide constant power through the day and night during all seasons.     Waste heat from the MMRTG will be circulated throughout the rover system to keep instruments, computers, mechanical devices and communications systems within their operating temperature ranges.     MSL's components include a compact car-sized rover, Curiosity, which has 10 science instruments designed to search for evidence on whether Mars has had environments favorable to microbial life, including chemical ingredients for life.  The unique rover will use a laser to look inside rocks and release its gasses so that the rover’s spectrometer can analyze and send the data back to Earth. Launch of MSL aboard a United Launch Alliance Atlas V rocket is scheduled for Nov. 25 from Space Launch Complex 41 on Cape Canaveral Air Force Station in Florida. For more information, visit http://www.nasa.gov/msl. Photo credit: NASA/Frankie Martin KSC-2011-6660

CAPE CANAVERAL, Fla. -- In the high bay of the RTG storage facility at...

CAPE CANAVERAL, Fla. -- In the high bay of the RTG storage facility at NASA's Kennedy Space Center in Florida, the shipping cask enclosing the multi-mission radioisotope thermoelectric generator (MMRTG) for NAS... More

CAPE CANAVERAL, Fla. -- The multi-mission radioisotope thermoelectric generator (MMRTG) for NASA's Mars Science Laboratory mission, enclosed in a shipping cask, rolls into the high bay of the RTG storage facility at NASA's Kennedy Space Center in Florida.    The MMRTG will generate the power needed for the mission from the natural decay of plutonium-238, a non-weapons-grade form of the radioisotope. Heat given off by this natural decay will provide constant power through the day and night during all seasons.     Waste heat from the MMRTG will be circulated throughout the rover system to keep instruments, computers, mechanical devices and communications systems within their operating temperature ranges.    MSL's components include a compact car-sized rover, Curiosity, which has 10 science instruments designed to search for evidence on whether Mars has had environments favorable to microbial life, including chemical ingredients for life.  The unique rover will use a laser to look inside rocks and release its gasses so that the rover’s spectrometer can analyze and send the data back to Earth. Launch of MSL aboard a United Launch Alliance Atlas V rocket is scheduled for Nov. 25 from Space Launch Complex 41 on Cape Canaveral Air Force Station in Florida. For more information, visit http://www.nasa.gov/msl. Photo credit: NASA/Frankie Martin KSC-2011-6651

CAPE CANAVERAL, Fla. -- The multi-mission radioisotope thermoelectric ...

CAPE CANAVERAL, Fla. -- The multi-mission radioisotope thermoelectric generator (MMRTG) for NASA's Mars Science Laboratory mission, enclosed in a shipping cask, rolls into the high bay of the RTG storage facili... More

CAPE CANAVERAL, Fla. -- In the RTG storage facility at NASA's Kennedy Space Center in Florida, the multi-mission radioisotope thermoelectric generator (MMRTG) for NASA's Mars Science Laboratory mission, with guide rods still installed on its support base, has been uncovered on the high bay floor.  The MMRTG no longer needs supplemental cooling since any excess heat generated can dissipate into the air in the high bay.    The MMRTG will generate the power needed for the mission from the natural decay of plutonium-238, a non-weapons-grade form of the radioisotope. Heat given off by this natural decay will provide constant power through the day and night during all seasons.     Waste heat from the MMRTG will be circulated throughout the rover system to keep instruments, computers, mechanical devices and communications systems within their operating temperature ranges.     MSL's components include a compact car-sized rover, Curiosity, which has 10 science instruments designed to search for evidence on whether Mars has had environments favorable to microbial life, including chemical ingredients for life.  The unique rover will use a laser to look inside rocks and release its gasses so that the rover’s spectrometer can analyze and send the data back to Earth. Launch of MSL aboard a United Launch Alliance Atlas V rocket is scheduled for Nov. 25 from Space Launch Complex 41 on Cape Canaveral Air Force Station in Florida. For more information, visit http://www.nasa.gov/msl. Photo credit: NASA/Frankie Martin KSC-2011-6666

CAPE CANAVERAL, Fla. -- In the RTG storage facility at NASA's Kennedy ...

CAPE CANAVERAL, Fla. -- In the RTG storage facility at NASA's Kennedy Space Center in Florida, the multi-mission radioisotope thermoelectric generator (MMRTG) for NASA's Mars Science Laboratory mission, with gu... More

CAPE CANAVERAL, Fla. -- In the high bay of the RTG storage facility at NASA's Kennedy Space Center in Florida, Innovative Health Applications employee Mike McPherson measures the level of radioactivity emitted from the multi-mission radioisotope thermoelectric generator (MMRTG) for NASA's Mars Science Laboratory mission, enclosed in a shipping cask at right.    The MMRTG will generate the power needed for the mission from the natural decay of plutonium-238, a non-weapons-grade form of the radioisotope. Heat given off by this natural decay will provide constant power through the day and night during all seasons.     Waste heat from the MMRTG will be circulated throughout the rover system to keep instruments, computers, mechanical devices and communications systems within their operating temperature ranges.     MSL's components include a compact car-sized rover, Curiosity, which has 10 science instruments designed to search for evidence on whether Mars has had environments favorable to microbial life, including chemical ingredients for life.  The unique rover will use a laser to look inside rocks and release its gasses so that the rover’s spectrometer can analyze and send the data back to Earth. Launch of MSL aboard a United Launch Alliance Atlas V rocket is scheduled for Nov. 25 from Space Launch Complex 41 on Cape Canaveral Air Force Station in Florida. For more information, visit http://www.nasa.gov/msl. Photo credit: NASA/Frankie Martin KSC-2011-6654

CAPE CANAVERAL, Fla. -- In the high bay of the RTG storage facility at...

CAPE CANAVERAL, Fla. -- In the high bay of the RTG storage facility at NASA's Kennedy Space Center in Florida, Innovative Health Applications employee Mike McPherson measures the level of radioactivity emitted ... More

CAPE CANAVERAL, Fla. -- In the high bay of the Payload Hazardous Servicing Facility (PHSF) at NASA's Kennedy Space Center in Florida, the multi-mission radioisotope thermoelectric generator (MMRTG) for NASA's Mars Science Laboratory (MSL) mission is attached to the MMRTG integration cart. The cart will be used to install the MMRTG on the Curiosity rover for a fit check. The rover is on an elevated work stand, at right. The MMRTG then will be removed and installed on the rover for launch at the pad.    The MMRTG will generate the power needed for the mission from the natural decay of plutonium-238, a non-weapons-grade form of the radioisotope. Heat given off by this natural decay will provide constant power through the day and night during all seasons. Curiosity, MSL's car-sized rover, has 10 science instruments designed to search for signs of life, including methane, and help determine if the gas is from a biological or geological source. Waste heat from the MMRTG will be circulated throughout the rover system to keep instruments, computers, mechanical devices and communications systems within their operating temperature ranges. Launch of MSL aboard a United Launch Alliance Atlas V rocket is planned for Nov. 25 from Space Launch Complex 41 on Cape Canaveral Air Force Station. For more information, visit http://www.nasa.gov/msl. Photo credit: NASA/Cory Huston KSC-2011-6697

CAPE CANAVERAL, Fla. -- In the high bay of the Payload Hazardous Servi...

CAPE CANAVERAL, Fla. -- In the high bay of the Payload Hazardous Servicing Facility (PHSF) at NASA's Kennedy Space Center in Florida, the multi-mission radioisotope thermoelectric generator (MMRTG) for NASA's M... More

CAPE CANAVERAL, Fla. -- In the airlock of the Payload Hazardous Servicing Facility (PHSF) at NASA's Kennedy Space Center in Florida, the protective mesh container enclosing the multi-mission radioisotope thermoelectric generator (MMRTG) for NASA's Mars Science Laboratory (MSL) mission is lifted from around the MMRTG. The container, known as the "gorilla cage," protects the MMRTG during transport and allows any excess heat generated to dissipate into the air.  In the PHSF, the MMRTG temporarily will be installed on the MSL rover, Curiosity, for a fit check but will be installed on the rover for launch at the pad.    The MMRTG will generate the power needed for the mission from the natural decay of plutonium-238, a non-weapons-grade form of the radioisotope. Heat given off by this natural decay will provide constant power through the day and night during all seasons. Curiosity, MSL's car-sized rover, has 10 science instruments designed to search for signs of life, including methane, and help determine if the gas is from a biological or geological source. Waste heat from the MMRTG will be circulated throughout the rover system to keep instruments, computers, mechanical devices and communications systems within their operating temperature ranges. Launch of MSL aboard a United Launch Alliance Atlas V rocket is planned for Nov. 25 from Space Launch Complex 41 on Cape Canaveral Air Force Station. For more information, visit http://www.nasa.gov/msl. Photo credit: NASA/Cory Huston KSC-2011-6681

CAPE CANAVERAL, Fla. -- In the airlock of the Payload Hazardous Servic...

CAPE CANAVERAL, Fla. -- In the airlock of the Payload Hazardous Servicing Facility (PHSF) at NASA's Kennedy Space Center in Florida, the protective mesh container enclosing the multi-mission radioisotope thermo... More

CAPE CANAVERAL, Fla. -- At NASA's Kennedy Space Center in Florida, a forklift carries the protective mesh container, known as the "gorilla cage," enclosing the multi-mission radioisotope thermoelectric generator (MMRTG) for NASA's Mars Science Laboratory (MSL) mission into the airlock of the Payload Hazardous Servicing Facility (PHSF).  The cage protects the MMRTG and allows any excess heat generated to dissipate into the air.  In the PHSF, the MMRTG temporarily will be installed on the MSL rover, Curiosity, for a fit check but will be installed on the rover for launch at the pad.    The MMRTG will generate the power needed for the mission from the natural decay of plutonium-238, a non-weapons-grade form of the radioisotope. Heat given off by this natural decay will provide constant power through the day and night during all seasons. Curiosity, MSL's car-sized rover, has 10 science instruments designed to search for signs of life, including methane, and help determine if the gas is from a biological or geological source. Waste heat from the MMRTG will be circulated throughout the rover system to keep instruments, computers, mechanical devices and communications systems within their operating temperature ranges. Launch of MSL aboard a United Launch Alliance Atlas V rocket is planned for Nov. 25 from Space Launch Complex 41 on Cape Canaveral Air Force Station. For more information, visit http://www.nasa.gov/msl. Photo credit: NASA/Cory Huston KSC-2011-6679

CAPE CANAVERAL, Fla. -- At NASA's Kennedy Space Center in Florida, a f...

CAPE CANAVERAL, Fla. -- At NASA's Kennedy Space Center in Florida, a forklift carries the protective mesh container, known as the "gorilla cage," enclosing the multi-mission radioisotope thermoelectric generato... More

CAPE CANAVERAL, Fla. -- Outside the RTG storage facility at NASA's Kennedy Space Center in Florida, a forklift carries the protective mesh container, known as the "gorilla cage," enclosing the multi-mission radioisotope thermoelectric generator (MMRTG) for NASA's Mars Science Laboratory (MSL) mission toward the MMRTG trailer that will transport it to the Payload Hazardous Servicing Facility (PHSF).  The cage protects the MMRTG and allows any excess heat generated to dissipate into the air.  In the PHSF, the MMRTG temporarily will be installed on the MSL rover, Curiosity, for a fit check but will be installed on the rover for launch at the pad.    The MMRTG will generate the power needed for the mission from the natural decay of plutonium-238, a non-weapons-grade form of the radioisotope. Heat given off by this natural decay will provide constant power through the day and night during all seasons. Curiosity, MSL's car-sized rover, has 10 science instruments designed to search for signs of life, including methane, and help determine if the gas is from a biological or geological source. Waste heat from the MMRTG will be circulated throughout the rover system to keep instruments, computers, mechanical devices and communications systems within their operating temperature ranges. Launch of MSL aboard a United Launch Alliance Atlas V rocket is planned for Nov. 25 from Space Launch Complex 41 on Cape Canaveral Air Force Station. For more information, visit http://www.nasa.gov/msl. Photo credit: NASA/Cory Huston KSC-2011-6672

CAPE CANAVERAL, Fla. -- Outside the RTG storage facility at NASA's Ken...

CAPE CANAVERAL, Fla. -- Outside the RTG storage facility at NASA's Kennedy Space Center in Florida, a forklift carries the protective mesh container, known as the "gorilla cage," enclosing the multi-mission rad... More

CAPE CANAVERAL, Fla. -- In the high bay of the Payload Hazardous Servicing Facility (PHSF) at NASA's Kennedy Space Center in Florida, the multi-mission radioisotope thermoelectric generator (MMRTG) for NASA's Mars Science Laboratory (MSL) mission is installed onto the aft of the Curiosity rover for a fit check. In view are the MMRTG's cooling fins which function like the radiator on a car and will reflect any excess heat generated by the MMRTG to prevent interference with the rover's electronics. Next, the MMRTG will be removed and later installed on the rover for launch at the pad.    The MMRTG will generate the power needed for the mission from the natural decay of plutonium-238, a non-weapons-grade form of the radioisotope. Heat given off by this natural decay will provide constant power through the day and night during all seasons. Curiosity, MSL's car-sized rover, has 10 science instruments designed to search for signs of life, including methane, and help determine if the gas is from a biological or geological source. Waste heat from the MMRTG will be circulated throughout the rover system to keep instruments, computers, mechanical devices and communications systems within their operating temperature ranges. Launch of MSL aboard a United Launch Alliance Atlas V rocket is planned for Nov. 25 from Space Launch Complex 41 on Cape Canaveral Air Force Station. For more information, visit http://www.nasa.gov/msl. Photo credit: NASA/Cory Huston KSC-2011-6704

CAPE CANAVERAL, Fla. -- In the high bay of the Payload Hazardous Servi...

CAPE CANAVERAL, Fla. -- In the high bay of the Payload Hazardous Servicing Facility (PHSF) at NASA's Kennedy Space Center in Florida, the multi-mission radioisotope thermoelectric generator (MMRTG) for NASA's M... More

CAPE CANAVERAL, Fla. -- In the high bay of the Payload Hazardous Servicing Facility (PHSF) at NASA's Kennedy Space Center in Florida, spacecraft technicians from NASA's Jet Propulsion Laboratory guide a turning fixture onto the multi-mission radioisotope thermoelectric generator (MMRTG) for NASA's Mars Science Laboratory (MSL) mission. The fixture will be used to lift and lower the MMRTG onto the MMRTG integration cart. The cart will be used to install the MMRTG on Curiosity for a fit check. The MMRTG will be installed on the rover for launch at the pad.    The MMRTG will generate the power needed for the mission from the natural decay of plutonium-238, a non-weapons-grade form of the radioisotope. Heat given off by this natural decay will provide constant power through the day and night during all seasons. Curiosity, MSL's car-sized rover, has 10 science instruments designed to search for signs of life, including methane, and help determine if the gas is from a biological or geological source. Waste heat from the MMRTG will be circulated throughout the rover system to keep instruments, computers, mechanical devices and communications systems within their operating temperature ranges. Launch of MSL aboard a United Launch Alliance Atlas V rocket is planned for Nov. 25 from Space Launch Complex 41 on Cape Canaveral Air Force Station. For more information, visit http://www.nasa.gov/msl. Photo credit: NASA/Cory Huston KSC-2011-6686

CAPE CANAVERAL, Fla. -- In the high bay of the Payload Hazardous Servi...

CAPE CANAVERAL, Fla. -- In the high bay of the Payload Hazardous Servicing Facility (PHSF) at NASA's Kennedy Space Center in Florida, spacecraft technicians from NASA's Jet Propulsion Laboratory guide a turning... More

CAPE CANAVERAL, Fla. -- The multi-mission radioisotope thermoelectric generator (MMRTG) for NASA's Mars Science Laboratory (MSL) mission is delivered to the airlock doors of the Payload Hazardous Servicing Facility (PHSF) at NASA's Kennedy Space Center in Florida inside the MMRTG trailer.  In the PHSF, the MMRTG temporarily will be installed on the MSL rover, Curiosity, for a fit check but will be installed on the rover for launch at the pad.    The MMRTG will generate the power needed for the mission from the natural decay of plutonium-238, a non-weapons-grade form of the radioisotope. Heat given off by this natural decay will provide constant power through the day and night during all seasons. Curiosity, MSL's car-sized rover, has 10 science instruments designed to search for signs of life, including methane, and help determine if the gas is from a biological or geological source. Waste heat from the MMRTG will be circulated throughout the rover system to keep instruments, computers, mechanical devices and communications systems within their operating temperature ranges. Launch of MSL aboard a United Launch Alliance Atlas V rocket is planned for Nov. 25 from Space Launch Complex 41 on Cape Canaveral Air Force Station. For more information, visit http://www.nasa.gov/msl. Photo credit: NASA/Cory Huston KSC-2011-6678

CAPE CANAVERAL, Fla. -- The multi-mission radioisotope thermoelectric ...

CAPE CANAVERAL, Fla. -- The multi-mission radioisotope thermoelectric generator (MMRTG) for NASA's Mars Science Laboratory (MSL) mission is delivered to the airlock doors of the Payload Hazardous Servicing Faci... More

CAPE CANAVERAL, Fla. -- In the high bay of the Payload Hazardous Servicing Facility (PHSF) at NASA's Kennedy Space Center in Florida, the multi-mission radioisotope thermoelectric generator (MMRTG) for NASA's Mars Science Laboratory (MSL) mission is installed onto the aft of the Curiosity rover for a fit check. In view are the MMRTG's cooling fins which function like the radiator on a car and will reflect any excess heat generated by the MMRTG to prevent interference with the rover's electronics. Next, the MMRTG will be removed and later installed on the rover for launch at the pad.    The MMRTG will generate the power needed for the mission from the natural decay of plutonium-238, a non-weapons-grade form of the radioisotope. Heat given off by this natural decay will provide constant power through the day and night during all seasons. Curiosity, MSL's car-sized rover, has 10 science instruments designed to search for signs of life, including methane, and help determine if the gas is from a biological or geological source. Waste heat from the MMRTG will be circulated throughout the rover system to keep instruments, computers, mechanical devices and communications systems within their operating temperature ranges. Launch of MSL aboard a United Launch Alliance Atlas V rocket is planned for Nov. 25 from Space Launch Complex 41 on Cape Canaveral Air Force Station. For more information, visit http://www.nasa.gov/msl. Photo credit: NASA/Cory Huston KSC-2011-6703

CAPE CANAVERAL, Fla. -- In the high bay of the Payload Hazardous Servi...

CAPE CANAVERAL, Fla. -- In the high bay of the Payload Hazardous Servicing Facility (PHSF) at NASA's Kennedy Space Center in Florida, the multi-mission radioisotope thermoelectric generator (MMRTG) for NASA's M... More

CAPE CANAVERAL, Fla. -- At NASA's Kennedy Space Center in Florida, a forklift positions the protective mesh container enclosing the multi-mission radioisotope thermoelectric generator (MMRTG) for NASA's Mars Science Laboratory (MSL) mission onto the floor of the airlock of the Payload Hazardous Servicing Facility (PHSF).  The container, known as the "gorilla cage," protects the MMRTG and allows any excess heat generated to dissipate into the air.  In the PHSF, the MMRTG temporarily will be installed on the MSL rover, Curiosity, for a fit check but will be installed on the rover for launch at the pad.    The MMRTG will generate the power needed for the mission from the natural decay of plutonium-238, a non-weapons-grade form of the radioisotope. Heat given off by this natural decay will provide constant power through the day and night during all seasons. Curiosity, MSL's car-sized rover, has 10 science instruments designed to search for signs of life, including methane, and help determine if the gas is from a biological or geological source. Waste heat from the MMRTG will be circulated throughout the rover system to keep instruments, computers, mechanical devices and communications systems within their operating temperature ranges. Launch of MSL aboard a United Launch Alliance Atlas V rocket is planned for Nov. 25 from Space Launch Complex 41 on Cape Canaveral Air Force Station. For more information, visit http://www.nasa.gov/msl. Photo credit: NASA/Cory Huston KSC-2011-6680

CAPE CANAVERAL, Fla. -- At NASA's Kennedy Space Center in Florida, a f...

CAPE CANAVERAL, Fla. -- At NASA's Kennedy Space Center in Florida, a forklift positions the protective mesh container enclosing the multi-mission radioisotope thermoelectric generator (MMRTG) for NASA's Mars Sc... More

CAPE CANAVERAL, Fla. -- Workers dressed in clean room attire, known as bunny suits, transfer the multi-mission radioisotope thermoelectric generator (MMRTG) for NASA's Mars Science Laboratory (MSL) mission on its holding base from the airlock of the Payload Hazardous Servicing Facility (PHSF) into the facility's high bay. In the high bay, the MMRTG temporarily will be installed on the MSL rover, Curiosity, for a fit check but will be installed on the rover for launch at the pad.    The MMRTG will generate the power needed for the mission from the natural decay of plutonium-238, a non-weapons-grade form of the radioisotope. Heat given off by this natural decay will provide constant power through the day and night during all seasons. Curiosity, MSL's car-sized rover, has 10 science instruments designed to search for signs of life, including methane, and help determine if the gas is from a biological or geological source. Waste heat from the MMRTG will be circulated throughout the rover system to keep instruments, computers, mechanical devices and communications systems within their operating temperature ranges. Launch of MSL aboard a United Launch Alliance Atlas V rocket is planned for Nov. 25 from Space Launch Complex 41 on Cape Canaveral Air Force Station. For more information, visit http://www.nasa.gov/msl. Photo credit: NASA/Cory Huston KSC-2011-6684

CAPE CANAVERAL, Fla. -- Workers dressed in clean room attire, known as...

CAPE CANAVERAL, Fla. -- Workers dressed in clean room attire, known as bunny suits, transfer the multi-mission radioisotope thermoelectric generator (MMRTG) for NASA's Mars Science Laboratory (MSL) mission on i... More

CAPE CANAVERAL, Fla. -- Workers dressed in clean room attire, known as bunny suits, transfer the multi-mission radioisotope thermoelectric generator (MMRTG) for NASA's Mars Science Laboratory (MSL) mission on its holding base through the doors of the airlock of the Payload Hazardous Servicing Facility (PHSF) into the facility's high bay. In the high bay, the MMRTG temporarily will be installed on the MSL rover, Curiosity (in the background, at right), for a fit check using the MMRTG integration cart (in the background, at left). The MMRTG will be installed on the rover for launch at the pad.    The MMRTG will generate the power needed for the mission from the natural decay of plutonium-238, a non-weapons-grade form of the radioisotope. Heat given off by this natural decay will provide constant power through the day and night during all seasons. Curiosity, MSL's car-sized rover, has 10 science instruments designed to search for signs of life, including methane, and help determine if the gas is from a biological or geological source. Waste heat from the MMRTG will be circulated throughout the rover system to keep instruments, computers, mechanical devices and communications systems within their operating temperature ranges. Launch of MSL aboard a United Launch Alliance Atlas V rocket is planned for Nov. 25 from Space Launch Complex 41 on Cape Canaveral Air Force Station. For more information, visit http://www.nasa.gov/msl. Photo credit: NASA/Cory Huston KSC-2011-6685

CAPE CANAVERAL, Fla. -- Workers dressed in clean room attire, known as...

CAPE CANAVERAL, Fla. -- Workers dressed in clean room attire, known as bunny suits, transfer the multi-mission radioisotope thermoelectric generator (MMRTG) for NASA's Mars Science Laboratory (MSL) mission on i... More

CAPE CANAVERAL, Fla. -- Outside the RTG storage facility at NASA's Kennedy Space Center in Florida, a forklift positions the protective mesh container, known as the "gorilla cage," enclosing the multi-mission radioisotope thermoelectric generator (MMRTG) for NASA's Mars Science Laboratory (MSL) mission inside the MMRTG trailer that will transport it to the Payload Hazardous Servicing Facility (PHSF).  The cage protects the MMRTG and allows any excess heat generated to dissipate into the air.  In the PHSF, the MMRTG temporarily will be installed on the MSL rover, Curiosity, for a fit check but will be installed on the rover for launch at the pad.    The MMRTG will generate the power needed for the mission from the natural decay of plutonium-238, a non-weapons-grade form of the radioisotope. Heat given off by this natural decay will provide constant power through the day and night during all seasons. Curiosity, MSL's car-sized rover, has 10 science instruments designed to search for signs of life, including methane, and help determine if the gas is from a biological or geological source. Waste heat from the MMRTG will be circulated throughout the rover system to keep instruments, computers, mechanical devices and communications systems within their operating temperature ranges. Launch of MSL aboard a United Launch Alliance Atlas V rocket is planned for Nov. 25 from Space Launch Complex 41 on Cape Canaveral Air Force Station. For more information, visit http://www.nasa.gov/msl. Photo credit: NASA/Cory Huston KSC-2011-6673

CAPE CANAVERAL, Fla. -- Outside the RTG storage facility at NASA's Ken...

CAPE CANAVERAL, Fla. -- Outside the RTG storage facility at NASA's Kennedy Space Center in Florida, a forklift positions the protective mesh container, known as the "gorilla cage," enclosing the multi-mission r... More

CAPE CANAVERAL, Fla. -- Outside the high bay of the RTG storage facility at NASA's Kennedy Space Center in Florida, a forklift picks up the protective mesh container, known as the "gorilla cage," enclosing the multi-mission radioisotope thermoelectric generator (MMRTG) for NASA's Mars Science Laboratory (MSL) mission for its move to the Payload Hazardous Servicing Facility (PHSF).  The cage protects the MMRTG and allows any excess heat generated to dissipate into the air.  In the PHSF, the MMRTG temporarily will be installed on the MSL rover, Curiosity, for a fit check but will be installed on the rover for launch at the pad.    The MMRTG will generate the power needed for the mission from the natural decay of plutonium-238, a non-weapons-grade form of the radioisotope. Heat given off by this natural decay will provide constant power through the day and night during all seasons. Curiosity, MSL's car-sized rover, has 10 science instruments designed to search for signs of life, including methane, and help determine if the gas is from a biological or geological source. Waste heat from the MMRTG will be circulated throughout the rover system to keep instruments, computers, mechanical devices and communications systems within their operating temperature ranges. Launch of MSL aboard a United Launch Alliance Atlas V rocket is planned for Nov. 25 from Space Launch Complex 41 on Cape Canaveral Air Force Station. For more information, visit http://www.nasa.gov/msl. Photo credit: NASA/Cory Huston KSC-2011-6670

CAPE CANAVERAL, Fla. -- Outside the high bay of the RTG storage facili...

CAPE CANAVERAL, Fla. -- Outside the high bay of the RTG storage facility at NASA's Kennedy Space Center in Florida, a forklift picks up the protective mesh container, known as the "gorilla cage," enclosing the ... More

CAPE CANAVERAL, Fla. -- In the high bay of the Payload Hazardous Servicing Facility (PHSF) at NASA's Kennedy Space Center in Florida, a crane lifts the multi-mission radioisotope thermoelectric generator (MMRTG) for NASA's Mars Science Laboratory (MSL) mission from its support base, at left, toward the MMRTG integration cart behind it. The cart will be used to install the MMRTG on the Curiosity rover for a fit check. The rover appears above the heads of the spacecraft technicians, at right. The MMRTG will be installed on the rover for launch at the pad.    The MMRTG will generate the power needed for the mission from the natural decay of plutonium-238, a non-weapons-grade form of the radioisotope. Heat given off by this natural decay will provide constant power through the day and night during all seasons. Curiosity, MSL's car-sized rover, has 10 science instruments designed to search for signs of life, including methane, and help determine if the gas is from a biological or geological source. Waste heat from the MMRTG will be circulated throughout the rover system to keep instruments, computers, mechanical devices and communications systems within their operating temperature ranges. Launch of MSL aboard a United Launch Alliance Atlas V rocket is planned for Nov. 25 from Space Launch Complex 41 on Cape Canaveral Air Force Station. For more information, visit http://www.nasa.gov/msl. Photo credit: NASA/Cory Huston KSC-2011-6690

CAPE CANAVERAL, Fla. -- In the high bay of the Payload Hazardous Servi...

CAPE CANAVERAL, Fla. -- In the high bay of the Payload Hazardous Servicing Facility (PHSF) at NASA's Kennedy Space Center in Florida, a crane lifts the multi-mission radioisotope thermoelectric generator (MMRTG... More

CAPE CANAVERAL, Fla. -- In the high bay of the Payload Hazardous Servicing Facility (PHSF) at NASA's Kennedy Space Center in Florida, spacecraft technicians from NASA's Jet Propulsion Laboratory rotate the multi-mission radioisotope thermoelectric generator (MMRTG) for NASA's Mars Science Laboratory (MSL) mission, using the turning fixture to align the MMRTG with the angle of the MMRTG integration cart behind it. The cart will be used to install the MMRTG on the Curiosity rover for a fit check. The rover is on an elevated work stand, at right. The MMRTG will be installed on the rover for launch at the pad.    The MMRTG will generate the power needed for the mission from the natural decay of plutonium-238, a non-weapons-grade form of the radioisotope. Heat given off by this natural decay will provide constant power through the day and night during all seasons. Curiosity, MSL's car-sized rover, has 10 science instruments designed to search for signs of life, including methane, and help determine if the gas is from a biological or geological source. Waste heat from the MMRTG will be circulated throughout the rover system to keep instruments, computers, mechanical devices and communications systems within their operating temperature ranges. Launch of MSL aboard a United Launch Alliance Atlas V rocket is planned for Nov. 25 from Space Launch Complex 41 on Cape Canaveral Air Force Station. For more information, visit http://www.nasa.gov/msl. Photo credit: NASA/Cory Huston KSC-2011-6691

CAPE CANAVERAL, Fla. -- In the high bay of the Payload Hazardous Servi...

CAPE CANAVERAL, Fla. -- In the high bay of the Payload Hazardous Servicing Facility (PHSF) at NASA's Kennedy Space Center in Florida, spacecraft technicians from NASA's Jet Propulsion Laboratory rotate the mult... More

CAPE CANAVERAL, Fla. -- In the high bay of the Payload Hazardous Servicing Facility (PHSF) at NASA's Kennedy Space Center in Florida, spacecraft technicians from NASA's Jet Propulsion Laboratory transfer the multi-mission radioisotope thermoelectric generator (MMRTG) for NASA's Mars Science Laboratory (MSL) mission onto the aft of the Curiosity rover for a fit check with the aid of the MMRTG integration cart. The MMRTG then will be removed and installed on the rover for launch at the pad.    The MMRTG will generate the power needed for the mission from the natural decay of plutonium-238, a non-weapons-grade form of the radioisotope. Heat given off by this natural decay will provide constant power through the day and night during all seasons. Curiosity, MSL's car-sized rover, has 10 science instruments designed to search for signs of life, including methane, and help determine if the gas is from a biological or geological source. Waste heat from the MMRTG will be circulated throughout the rover system to keep instruments, computers, mechanical devices and communications systems within their operating temperature ranges. Launch of MSL aboard a United Launch Alliance Atlas V rocket is planned for Nov. 25 from Space Launch Complex 41 on Cape Canaveral Air Force Station. For more information, visit http://www.nasa.gov/msl. Photo credit: NASA/Cory Huston KSC-2011-6699

CAPE CANAVERAL, Fla. -- In the high bay of the Payload Hazardous Servi...

CAPE CANAVERAL, Fla. -- In the high bay of the Payload Hazardous Servicing Facility (PHSF) at NASA's Kennedy Space Center in Florida, spacecraft technicians from NASA's Jet Propulsion Laboratory transfer the mu... More

CAPE CANAVERAL, Fla. -- In the high bay of the Payload Hazardous Servicing Facility (PHSF) at NASA's Kennedy Space Center in Florida, the multi-mission radioisotope thermoelectric generator (MMRTG) for NASA's Mars Science Laboratory (MSL) mission on the turning fixture is lowered onto the MMRTG integration cart. The cart will be used to install the MMRTG on the Curiosity rover for a fit check. The rover is on an elevated work stand, at right. The MMRTG will be installed on the rover for launch at the pad.    The MMRTG will generate the power needed for the mission from the natural decay of plutonium-238, a non-weapons-grade form of the radioisotope. Heat given off by this natural decay will provide constant power through the day and night during all seasons. Curiosity, MSL's car-sized rover, has 10 science instruments designed to search for signs of life, including methane, and help determine if the gas is from a biological or geological source. Waste heat from the MMRTG will be circulated throughout the rover system to keep instruments, computers, mechanical devices and communications systems within their operating temperature ranges. Launch of MSL aboard a United Launch Alliance Atlas V rocket is planned for Nov. 25 from Space Launch Complex 41 on Cape Canaveral Air Force Station. For more information, visit http://www.nasa.gov/msl. Photo credit: NASA/Cory Huston KSC-2011-6695

CAPE CANAVERAL, Fla. -- In the high bay of the Payload Hazardous Servi...

CAPE CANAVERAL, Fla. -- In the high bay of the Payload Hazardous Servicing Facility (PHSF) at NASA's Kennedy Space Center in Florida, the multi-mission radioisotope thermoelectric generator (MMRTG) for NASA's M... More

CAPE CANAVERAL, Fla. -- Outside the RTG storage facility at NASA's Kennedy Space Center in Florida, the multi-mission radioisotope thermoelectric generator (MMRTG) for NASA's Mars Science Laboratory (MSL) mission, enclosed in the protective mesh container known as the "gorilla cage," is strapped down inside the MMRTG trailer for transport to the Payload Hazardous Servicing Facility (PHSF).  The cage protects the MMRTG and allows any excess heat generated to dissipate into the air.  In the PHSF, the MMRTG temporarily will be installed on the MSL rover, Curiosity, for a fit check but will be installed on the rover for launch at the pad.    The MMRTG will generate the power needed for the mission from the natural decay of plutonium-238, a non-weapons-grade form of the radioisotope. Heat given off by this natural decay will provide constant power through the day and night during all seasons. Curiosity, MSL's car-sized rover, has 10 science instruments designed to search for signs of life, including methane, and help determine if the gas is from a biological or geological source. Waste heat from the MMRTG will be circulated throughout the rover system to keep instruments, computers, mechanical devices and communications systems within their operating temperature ranges. Launch of MSL aboard a United Launch Alliance Atlas V rocket is planned for Nov. 25 from Space Launch Complex 41 on Cape Canaveral Air Force Station. For more information, visit http://www.nasa.gov/msl. Photo credit: NASA/Cory Huston KSC-2011-6675

CAPE CANAVERAL, Fla. -- Outside the RTG storage facility at NASA's Ken...

CAPE CANAVERAL, Fla. -- Outside the RTG storage facility at NASA's Kennedy Space Center in Florida, the multi-mission radioisotope thermoelectric generator (MMRTG) for NASA's Mars Science Laboratory (MSL) missi... More

CAPE CANAVERAL, Fla. -- Department of Energy contractor employees roll the multi-mission radioisotope thermoelectric generator (MMRTG) for NASA's Mars Science Laboratory (MSL) mission, enclosed in a protective mesh container known as the "gorilla cage," out of the high bay of the RTG storage facility at NASA's Kennedy Space Center in Florida for its move to the Payload Hazardous Servicing Facility (PHSF).  The cage protects the MMRTG and allows any excess heat generated to dissipate into the air.  In the PHSF, the MMRTG temporarily will be installed on the MSL rover, Curiosity, for a fit check but will be installed on the rover for launch at the pad.     The MMRTG will generate the power needed for the mission from the natural decay of plutonium-238, a non-weapons-grade form of the radioisotope. Heat given off by this natural decay will provide constant power through the day and night during all seasons. Curiosity, MSL's car-sized rover, has 10 science instruments designed to search for signs of life, including methane, and help determine if the gas is from a biological or geological source. Waste heat from the MMRTG will be circulated throughout the rover system to keep instruments, computers, mechanical devices and communications systems within their operating temperature ranges. Launch of MSL aboard a United Launch Alliance Atlas V rocket is planned for Nov. 25 from Space Launch Complex 41 on Cape Canaveral Air Force Station. For more information, visit http://www.nasa.gov/msl. Photo credit: NASA/Cory Huston KSC-2011-6668

CAPE CANAVERAL, Fla. -- Department of Energy contractor employees roll...

CAPE CANAVERAL, Fla. -- Department of Energy contractor employees roll the multi-mission radioisotope thermoelectric generator (MMRTG) for NASA's Mars Science Laboratory (MSL) mission, enclosed in a protective ... More

CAPE CANAVERAL, Fla. -- In the high bay of the Payload Hazardous Servicing Facility (PHSF) at NASA's Kennedy Space Center in Florida, spacecraft technicians from NASA's Jet Propulsion Laboratory position the multi-mission radioisotope thermoelectric generator (MMRTG) for NASA's Mars Science Laboratory (MSL) mission on the turning fixture above the MMRTG integration cart. The cart will be used to install the MMRTG on the Curiosity rover for a fit check. The rover is on an elevated work stand, at right. The MMRTG will be installed on the rover for launch at the pad.    The MMRTG will generate the power needed for the mission from the natural decay of plutonium-238, a non-weapons-grade form of the radioisotope. Heat given off by this natural decay will provide constant power through the day and night during all seasons. Curiosity, MSL's car-sized rover, has 10 science instruments designed to search for signs of life, including methane, and help determine if the gas is from a biological or geological source. Waste heat from the MMRTG will be circulated throughout the rover system to keep instruments, computers, mechanical devices and communications systems within their operating temperature ranges. Launch of MSL aboard a United Launch Alliance Atlas V rocket is planned for Nov. 25 from Space Launch Complex 41 on Cape Canaveral Air Force Station. For more information, visit http://www.nasa.gov/msl. Photo credit: NASA/Cory Huston KSC-2011-6694

CAPE CANAVERAL, Fla. -- In the high bay of the Payload Hazardous Servi...

CAPE CANAVERAL, Fla. -- In the high bay of the Payload Hazardous Servicing Facility (PHSF) at NASA's Kennedy Space Center in Florida, spacecraft technicians from NASA's Jet Propulsion Laboratory position the mu... More

CAPE CANAVERAL, Fla. -- In the high bay of the Payload Hazardous Servicing Facility (PHSF) at NASA's Kennedy Space Center in Florida, spacecraft technicians from NASA's Jet Propulsion Laboratory use extension tools to attach the multi-mission radioisotope thermoelectric generator (MMRTG) for NASA's Mars Science Laboratory (MSL) mission on the MMRTG integration cart onto the aft of the Curiosity rover for a fit check. The MMRTG then will be removed and installed on the rover for launch at the pad.    The MMRTG will generate the power needed for the mission from the natural decay of plutonium-238, a non-weapons-grade form of the radioisotope. Heat given off by this natural decay will provide constant power through the day and night during all seasons. Curiosity, MSL's car-sized rover, has 10 science instruments designed to search for signs of life, including methane, and help determine if the gas is from a biological or geological source. Waste heat from the MMRTG will be circulated throughout the rover system to keep instruments, computers, mechanical devices and communications systems within their operating temperature ranges. Launch of MSL aboard a United Launch Alliance Atlas V rocket is planned for Nov. 25 from Space Launch Complex 41 on Cape Canaveral Air Force Station. For more information, visit http://www.nasa.gov/msl. Photo credit: NASA/Cory Huston KSC-2011-6701

CAPE CANAVERAL, Fla. -- In the high bay of the Payload Hazardous Servi...

CAPE CANAVERAL, Fla. -- In the high bay of the Payload Hazardous Servicing Facility (PHSF) at NASA's Kennedy Space Center in Florida, spacecraft technicians from NASA's Jet Propulsion Laboratory use extension t... More

CAPE CANAVERAL, Fla. -- The multi-mission radioisotope thermoelectric generator (MMRTG) trailer backs toward the airlock doors of the Payload Hazardous Servicing Facility (PHSF) at NASA's Kennedy Space Center in Florida. The MMRTG for NASA's Mars Science Laboratory (MSL) mission is being transferred into the PHSF, where it will be installed on the MSL rover, Curiosity, for a fit check. The MMRTG will be installed on the rover for launch at the pad.    The MMRTG will generate the power needed for the mission from the natural decay of plutonium-238, a non-weapons-grade form of the radioisotope. Heat given off by this natural decay will provide constant power through the day and night during all seasons. Curiosity, MSL's car-sized rover, has 10 science instruments designed to search for signs of life, including methane, and help determine if the gas is from a biological or geological source. Waste heat from the MMRTG will be circulated throughout the rover system to keep instruments, computers, mechanical devices and communications systems within their operating temperature ranges. Launch of MSL aboard a United Launch Alliance Atlas V rocket is planned for Nov. 25 from Space Launch Complex 41 on Cape Canaveral Air Force Station. For more information, visit http://www.nasa.gov/msl. Photo credit: NASA/Cory Huston KSC-2011-6677

CAPE CANAVERAL, Fla. -- The multi-mission radioisotope thermoelectric ...

CAPE CANAVERAL, Fla. -- The multi-mission radioisotope thermoelectric generator (MMRTG) trailer backs toward the airlock doors of the Payload Hazardous Servicing Facility (PHSF) at NASA's Kennedy Space Center i... More

CAPE CANAVERAL, Fla. -- Department of Energy contractor employees roll the multi-mission radioisotope thermoelectric generator (MMRTG) for NASA's Mars Science Laboratory (MSL) mission, enclosed in a protective mesh container known as the "gorilla cage," toward a forklift outside the high bay of the RTG storage facility at NASA's Kennedy Space Center in Florida for its move to the Payload Hazardous Servicing Facility (PHSF).  The cage protects the MMRTG and allows any excess heat generated to dissipate into the air.  In the PHSF, the MMRTG temporarily will be installed on the MSL rover, Curiosity, for a fit check but will be installed on the rover for launch at the pad.    The MMRTG will generate the power needed for the mission from the natural decay of plutonium-238, a non-weapons-grade form of the radioisotope. Heat given off by this natural decay will provide constant power through the day and night during all seasons. Curiosity, MSL's car-sized rover, has 10 science instruments designed to search for signs of life, including methane, and help determine if the gas is from a biological or geological source. Waste heat from the MMRTG will be circulated throughout the rover system to keep instruments, computers, mechanical devices and communications systems within their operating temperature ranges. Launch of MSL aboard a United Launch Alliance Atlas V rocket is planned for Nov. 25 from Space Launch Complex 41 on Cape Canaveral Air Force Station. For more information, visit http://www.nasa.gov/msl. Photo credit: NASA/Cory Huston KSC-2011-6669

CAPE CANAVERAL, Fla. -- Department of Energy contractor employees roll...

CAPE CANAVERAL, Fla. -- Department of Energy contractor employees roll the multi-mission radioisotope thermoelectric generator (MMRTG) for NASA's Mars Science Laboratory (MSL) mission, enclosed in a protective ... More

CAPE CANAVERAL, Fla. -- Outside the RTG storage facility at NASA's Kennedy Space Center in Florida, a plexiglass shield has been installed on the forklift enlisted to move the protective mesh container, known as the "gorilla cage," enclosing the multi-mission radioisotope thermoelectric generator (MMRTG) for NASA's Mars Science Laboratory (MSL) mission.  The shield minimizes the amount of debris dispersed by the wheels of the forklift that can contact the gorilla cage. The cage protects the MMRTG and allows any excess heat generated to dissipate into the air. The MMRTG is being moved to the Payload Hazardous Servicing Facility (PHSF) where it temporarily will be installed on the MSL rover, Curiosity, for a fit check but will be installed on the rover for launch at the pad.    The MMRTG will generate the power needed for the mission from the natural decay of plutonium-238, a non-weapons-grade form of the radioisotope. Heat given off by this natural decay will provide constant power through the day and night during all seasons. Curiosity, MSL's car-sized rover, has 10 science instruments designed to search for signs of life, including methane, and help determine if the gas is from a biological or geological source. Waste heat from the MMRTG will be circulated throughout the rover system to keep instruments, computers, mechanical devices and communications systems within their operating temperature ranges. Launch of MSL aboard a United Launch Alliance Atlas V rocket is planned for Nov. 25 from Space Launch Complex 41 on Cape Canaveral Air Force Station. For more information, visit http://www.nasa.gov/msl. Photo credit: NASA/Cory Huston KSC-2011-6671

CAPE CANAVERAL, Fla. -- Outside the RTG storage facility at NASA's Ken...

CAPE CANAVERAL, Fla. -- Outside the RTG storage facility at NASA's Kennedy Space Center in Florida, a plexiglass shield has been installed on the forklift enlisted to move the protective mesh container, known a... More

CAPE CANAVERAL, Fla. -- Outside the RTG storage facility at NASA's Kennedy Space Center in Florida, the multi-mission radioisotope thermoelectric generator (MMRTG) for NASA's Mars Science Laboratory (MSL) mission, enclosed in the protective mesh container, known as the "gorilla cage," is positioned inside the MMRTG trailer that will transport it to the Payload Hazardous Servicing Facility (PHSF).  The cage protects the MMRTG and allows any excess heat generated to dissipate into the air.  In the PHSF, the MMRTG temporarily will be installed on the MSL rover, Curiosity, for a fit check but will be installed on the rover for launch at the pad.    The MMRTG will generate the power needed for the mission from the natural decay of plutonium-238, a non-weapons-grade form of the radioisotope. Heat given off by this natural decay will provide constant power through the day and night during all seasons. Curiosity, MSL's car-sized rover, has 10 science instruments designed to search for signs of life, including methane, and help determine if the gas is from a biological or geological source. Waste heat from the MMRTG will be circulated throughout the rover system to keep instruments, computers, mechanical devices and communications systems within their operating temperature ranges. Launch of MSL aboard a United Launch Alliance Atlas V rocket is planned for Nov. 25 from Space Launch Complex 41 on Cape Canaveral Air Force Station. For more information, visit http://www.nasa.gov/msl. Photo credit: NASA/Cory Huston KSC-2011-6674

CAPE CANAVERAL, Fla. -- Outside the RTG storage facility at NASA's Ken...

CAPE CANAVERAL, Fla. -- Outside the RTG storage facility at NASA's Kennedy Space Center in Florida, the multi-mission radioisotope thermoelectric generator (MMRTG) for NASA's Mars Science Laboratory (MSL) missi... More

CAPE CANAVERAL, Fla. -- In the airlock of the Payload Hazardous Servicing Facility (PHSF) at NASA's Kennedy Space Center in Florida, the protective mesh container enclosing the multi-mission radioisotope thermoelectric generator (MMRTG) for NASA's Mars Science Laboratory (MSL) mission is lowered to the floor of the airlock beside the MMRTG. The container, known as the "gorilla cage," protects the MMRTG during transport and allows any excess heat generated to dissipate into the air.  Next, the airlock will be transitioned into a clean room by purging the air of any particles. In the PHSF, the MMRTG temporarily will be installed on the MSL rover, Curiosity, for a fit check but will be installed on the rover for launch at the pad.    The MMRTG will generate the power needed for the mission from the natural decay of plutonium-238, a non-weapons-grade form of the radioisotope. Heat given off by this natural decay will provide constant power through the day and night during all seasons. Curiosity, MSL's car-sized rover, has 10 science instruments designed to search for signs of life, including methane, and help determine if the gas is from a biological or geological source. Waste heat from the MMRTG will be circulated throughout the rover system to keep instruments, computers, mechanical devices and communications systems within their operating temperature ranges. Launch of MSL aboard a United Launch Alliance Atlas V rocket is planned for Nov. 25 from Space Launch Complex 41 on Cape Canaveral Air Force Station. For more information, visit http://www.nasa.gov/msl. Photo credit: NASA/Cory Huston KSC-2011-6683

CAPE CANAVERAL, Fla. -- In the airlock of the Payload Hazardous Servic...

CAPE CANAVERAL, Fla. -- In the airlock of the Payload Hazardous Servicing Facility (PHSF) at NASA's Kennedy Space Center in Florida, the protective mesh container enclosing the multi-mission radioisotope thermo... More

CAPE CANAVERAL, Fla. -- In the high bay of the Payload Hazardous Servicing Facility (PHSF) at NASA's Kennedy Space Center in Florida, the multi-mission radioisotope thermoelectric generator (MMRTG) for NASA's Mars Science Laboratory (MSL) mission is attached to the MMRTG integration cart. The cart will be used to install the MMRTG on the Curiosity rover for a fit check. The wheels of the rover appear to stick out on either side of the cart. The MMRTG will be installed on the rover for launch at the pad.    The MMRTG will generate the power needed for the mission from the natural decay of plutonium-238, a non-weapons-grade form of the radioisotope. Heat given off by this natural decay will provide constant power through the day and night during all seasons. Curiosity, MSL's car-sized rover, has 10 science instruments designed to search for signs of life, including methane, and help determine if the gas is from a biological or geological source. Waste heat from the MMRTG will be circulated throughout the rover system to keep instruments, computers, mechanical devices and communications systems within their operating temperature ranges. Launch of MSL aboard a United Launch Alliance Atlas V rocket is planned for Nov. 25 from Space Launch Complex 41 on Cape Canaveral Air Force Station. For more information, visit http://www.nasa.gov/msl. Photo credit: NASA/Cory Huston KSC-2011-6696

CAPE CANAVERAL, Fla. -- In the high bay of the Payload Hazardous Servi...

CAPE CANAVERAL, Fla. -- In the high bay of the Payload Hazardous Servicing Facility (PHSF) at NASA's Kennedy Space Center in Florida, the multi-mission radioisotope thermoelectric generator (MMRTG) for NASA's M... More

CAPE CANAVERAL, Fla. -- In the high bay of the Payload Hazardous Servicing Facility (PHSF) at NASA's Kennedy Space Center in Florida, spacecraft technicians from NASA's Jet Propulsion Laboratory guide the multi-mission radioisotope thermoelectric generator (MMRTG) for NASA's Mars Science Laboratory (MSL) mission on the turning fixture toward the MMRTG integration cart. The cart will be used to install the MMRTG on the Curiosity rover for a fit check. The rover is on an elevated work stand, at right. The MMRTG will be installed on the rover for launch at the pad.    The MMRTG will generate the power needed for the mission from the natural decay of plutonium-238, a non-weapons-grade form of the radioisotope. Heat given off by this natural decay will provide constant power through the day and night during all seasons. Curiosity, MSL's car-sized rover, has 10 science instruments designed to search for signs of life, including methane, and help determine if the gas is from a biological or geological source. Waste heat from the MMRTG will be circulated throughout the rover system to keep instruments, computers, mechanical devices and communications systems within their operating temperature ranges. Launch of MSL aboard a United Launch Alliance Atlas V rocket is planned for Nov. 25 from Space Launch Complex 41 on Cape Canaveral Air Force Station. For more information, visit http://www.nasa.gov/msl. Photo credit: NASA/Cory Huston KSC-2011-6692

CAPE CANAVERAL, Fla. -- In the high bay of the Payload Hazardous Servi...

CAPE CANAVERAL, Fla. -- In the high bay of the Payload Hazardous Servicing Facility (PHSF) at NASA's Kennedy Space Center in Florida, spacecraft technicians from NASA's Jet Propulsion Laboratory guide the multi... More

CAPE CANAVERAL, Fla. -- In the high bay of the Payload Hazardous Servicing Facility (PHSF) at NASA's Kennedy Space Center in Florida, spacecraft technicians from NASA's Jet Propulsion Laboratory guide the multi-mission radioisotope thermoelectric generator (MMRTG) for NASA's Mars Science Laboratory (MSL) mission on the turning fixture toward the MMRTG integration cart. The cart will be used to install the MMRTG on the Curiosity rover for a fit check. The rover is on an elevated work stand, at right. The MMRTG will be installed on the rover for launch at the pad.    The MMRTG will generate the power needed for the mission from the natural decay of plutonium-238, a non-weapons-grade form of the radioisotope. Heat given off by this natural decay will provide constant power through the day and night during all seasons. Curiosity, MSL's car-sized rover, has 10 science instruments designed to search for signs of life, including methane, and help determine if the gas is from a biological or geological source. Waste heat from the MMRTG will be circulated throughout the rover system to keep instruments, computers, mechanical devices and communications systems within their operating temperature ranges. Launch of MSL aboard a United Launch Alliance Atlas V rocket is planned for Nov. 25 from Space Launch Complex 41 on Cape Canaveral Air Force Station. For more information, visit http://www.nasa.gov/msl. Photo credit: NASA/Cory Huston KSC-2011-6693

CAPE CANAVERAL, Fla. -- In the high bay of the Payload Hazardous Servi...

CAPE CANAVERAL, Fla. -- In the high bay of the Payload Hazardous Servicing Facility (PHSF) at NASA's Kennedy Space Center in Florida, spacecraft technicians from NASA's Jet Propulsion Laboratory guide the multi... More

CAPE CANAVERAL, Fla. -- In the high bay of the Payload Hazardous Servicing Facility (PHSF) at NASA's Kennedy Space Center in Florida, spacecraft technicians from NASA's Jet Propulsion Laboratory transfer the multi-mission radioisotope thermoelectric generator (MMRTG) for NASA's Mars Science Laboratory (MSL) mission onto the aft of the Curiosity rover for a fit check with the aid of the MMRTG integration cart. The MMRTG then will be removed and installed on the rover for launch at the pad.    The MMRTG will generate the power needed for the mission from the natural decay of plutonium-238, a non-weapons-grade form of the radioisotope. Heat given off by this natural decay will provide constant power through the day and night during all seasons. Curiosity, MSL's car-sized rover, has 10 science instruments designed to search for signs of life, including methane, and help determine if the gas is from a biological or geological source. Waste heat from the MMRTG will be circulated throughout the rover system to keep instruments, computers, mechanical devices and communications systems within their operating temperature ranges. Launch of MSL aboard a United Launch Alliance Atlas V rocket is planned for Nov. 25 from Space Launch Complex 41 on Cape Canaveral Air Force Station. For more information, visit http://www.nasa.gov/msl. Photo credit: NASA/Cory Huston KSC-2011-6698

CAPE CANAVERAL, Fla. -- In the high bay of the Payload Hazardous Servi...

CAPE CANAVERAL, Fla. -- In the high bay of the Payload Hazardous Servicing Facility (PHSF) at NASA's Kennedy Space Center in Florida, spacecraft technicians from NASA's Jet Propulsion Laboratory transfer the mu... More

CAPE CANAVERAL, Fla. -- In the high bay of the Payload Hazardous Servicing Facility at NASA's Kennedy Space Center in Florida, a spacecraft technician from NASA's Jet Propulsion Laboratory conducts a visual inspection of the cooling tubes on the exterior of the multi-mission radioisotope thermoelectric generator (MMRTG) for NASA's Mars Science Laboratory (MSL) mission following the MMRTG fit check on the Curiosity rover.     The MMRTG will generate the power needed for the mission from the natural decay of plutonium-238, a non-weapons-grade form of the radioisotope. Heat given off by this natural decay will provide constant power through the day and night during all seasons. MSL's components include a car-sized rover, Curiosity, which has 10 science instruments designed to search for signs of life, including methane, and help determine if the gas is from a biological or geological source. Waste heat from the MMRTG will be circulated throughout the rover system to keep instruments, computers, mechanical devices and communications systems within their operating temperature ranges. Launch of MSL aboard a United Launch Alliance Atlas V rocket is targeted for Nov. 25 from Space Launch Complex 41 on Cape Canaveral Air Force Station. For more information, visit http://www.nasa.gov/msl. Photo credit: NASA/Kim Shiflett KSC-2011-6713

CAPE CANAVERAL, Fla. -- In the high bay of the Payload Hazardous Servi...

CAPE CANAVERAL, Fla. -- In the high bay of the Payload Hazardous Servicing Facility at NASA's Kennedy Space Center in Florida, a spacecraft technician from NASA's Jet Propulsion Laboratory conducts a visual ins... More

CAPE CANAVERAL, Fla. -- In the high bay of the Payload Hazardous Servicing Facility at NASA's Kennedy Space Center in Florida, the multi-mission radioisotope thermoelectric generator (MMRTG) for NASA's Mars Science Laboratory (MSL) mission is positioned on a support base with the aid of a turning fixture following the MMRTG fit check on the Curiosity rover.    The MMRTG will generate the power needed for the mission from the natural decay of plutonium-238, a non-weapons-grade form of the radioisotope. Heat given off by this natural decay will provide constant power through the day and night during all seasons. MSL's components include a car-sized rover, Curiosity, which has 10 science instruments designed to search for signs of life, including methane, and help determine if the gas is from a biological or geological source. Waste heat from the MMRTG will be circulated throughout the rover system to keep instruments, computers, mechanical devices and communications systems within their operating temperature ranges. Launch of MSL aboard a United Launch Alliance Atlas V rocket is targeted for Nov. 25 from Space Launch Complex 41 on Cape Canaveral Air Force Station. For more information, visit http://www.nasa.gov/msl. Photo credit: NASA/Kim Shiflett KSC-2011-6709

CAPE CANAVERAL, Fla. -- In the high bay of the Payload Hazardous Servi...

CAPE CANAVERAL, Fla. -- In the high bay of the Payload Hazardous Servicing Facility at NASA's Kennedy Space Center in Florida, the multi-mission radioisotope thermoelectric generator (MMRTG) for NASA's Mars Sci... More

CAPE CANAVERAL, Fla. -- In the Payload Hazardous Servicing Facility at NASA's Kennedy Space Center in Florida, spacecraft technicians from NASA's Jet Propulsion Laboratory roll the multi-mission radioisotope thermoelectric generator (MMRTG) for NASA's Mars Science Laboratory (MSL) mission on its support base from the high bay into the airlock following the MMRTG fit check on the Curiosity rover.     The MMRTG will generate the power needed for the mission from the natural decay of plutonium-238, a non-weapons-grade form of the radioisotope. Heat given off by this natural decay will provide constant power through the day and night during all seasons. MSL's components include a car-sized rover, Curiosity, which has 10 science instruments designed to search for signs of life, including methane, and help determine if the gas is from a biological or geological source. Waste heat from the MMRTG will be circulated throughout the rover system to keep instruments, computers, mechanical devices and communications systems within their operating temperature ranges. Launch of MSL aboard a United Launch Alliance Atlas V rocket is targeted for Nov. 25 from Space Launch Complex 41 on Cape Canaveral Air Force Station. For more information, visit http://www.nasa.gov/msl. Photo credit: NASA/Kim Shiflett KSC-2011-6714

CAPE CANAVERAL, Fla. -- In the Payload Hazardous Servicing Facility at...

CAPE CANAVERAL, Fla. -- In the Payload Hazardous Servicing Facility at NASA's Kennedy Space Center in Florida, spacecraft technicians from NASA's Jet Propulsion Laboratory roll the multi-mission radioisotope th... More

CAPE CANAVERAL, Fla. -- In the airlock of the Payload Hazardous Servicing Facility at NASA's Kennedy Space Center in Florida, Department of Energy employees prepare the support base of the multi-mission radioisotope thermoelectric generator (MMRTG) for NASA's Mars Science Laboratory (MSL) mission for installation of the mesh container, known as the "gorilla cage." The cage, in the background at right, protects the MMRTG during transport and allows any excess heat generated to dissipate into the air. Transport of the MMRTG to the RTG storage facility follows the completion of the MMRTG fit check on the Curiosity rover.     The MMRTG will generate the power needed for the mission from the natural decay of plutonium-238, a non-weapons-grade form of the radioisotope. Heat given off by this natural decay will provide constant power through the day and night during all seasons. MSL's components include a car-sized rover, Curiosity, which has 10 science instruments designed to search for signs of life, including methane, and help determine if the gas is from a biological or geological source. Waste heat from the MMRTG will be circulated throughout the rover system to keep instruments, computers, mechanical devices and communications systems within their operating temperature ranges. Launch of MSL aboard a United Launch Alliance Atlas V rocket is targeted for Nov. 25 from Space Launch Complex 41 on Cape Canaveral Air Force Station. For more information, visit http://www.nasa.gov/msl. Photo credit: NASA/Kim Shiflett KSC-2011-6717

CAPE CANAVERAL, Fla. -- In the airlock of the Payload Hazardous Servic...

CAPE CANAVERAL, Fla. -- In the airlock of the Payload Hazardous Servicing Facility at NASA's Kennedy Space Center in Florida, Department of Energy employees prepare the support base of the multi-mission radiois... More

CAPE CANAVERAL, Fla. -- In the high bay of the Payload Hazardous Servicing Facility at NASA's Kennedy Space Center in Florida, a spacecraft technician from NASA's Jet Propulsion Laboratory conducts a visual inspection of the cooling tubes on the exterior of the multi-mission radioisotope thermoelectric generator (MMRTG) for NASA's Mars Science Laboratory (MSL) mission following the MMRTG fit check on the Curiosity rover.  At right is the Curiosity rover on an elevated work stand.     The MMRTG will generate the power needed for the mission from the natural decay of plutonium-238, a non-weapons-grade form of the radioisotope. Heat given off by this natural decay will provide constant power through the day and night during all seasons. MSL's components include a car-sized rover, Curiosity, which has 10 science instruments designed to search for signs of life, including methane, and help determine if the gas is from a biological or geological source. Waste heat from the MMRTG will be circulated throughout the rover system to keep instruments, computers, mechanical devices and communications systems within their operating temperature ranges. Launch of MSL aboard a United Launch Alliance Atlas V rocket is targeted for Nov. 25 from Space Launch Complex 41 on Cape Canaveral Air Force Station. For more information, visit http://www.nasa.gov/msl. Photo credit: NASA/Kim Shiflett KSC-2011-6711

CAPE CANAVERAL, Fla. -- In the high bay of the Payload Hazardous Servi...

CAPE CANAVERAL, Fla. -- In the high bay of the Payload Hazardous Servicing Facility at NASA's Kennedy Space Center in Florida, a spacecraft technician from NASA's Jet Propulsion Laboratory conducts a visual ins... More

CAPE CANAVERAL, Fla. -- The multi-mission radioisotope thermoelectric generator (MMRTG) for NASA's Mars Science Laboratory (MSL) mission rests on its support base in the airlock of the Payload Hazardous Servicing Facility at NASA's Kennedy Space Center in Florida following the MMRTG fit check on the Curiosity rover in the high bay.  In the background, at right, is the mesh container, known as the "gorilla cage," which protects the MMRTG during transport and allows any excess heat generated to dissipate into the air.    The MMRTG will generate the power needed for the mission from the natural decay of plutonium-238, a non-weapons-grade form of the radioisotope. Heat given off by this natural decay will provide constant power through the day and night during all seasons. MSL's components include a car-sized rover, Curiosity, which has 10 science instruments designed to search for signs of life, including methane, and help determine if the gas is from a biological or geological source. Waste heat from the MMRTG will be circulated throughout the rover system to keep instruments, computers, mechanical devices and communications systems within their operating temperature ranges. Launch of MSL aboard a United Launch Alliance Atlas V rocket is targeted for Nov. 25 from Space Launch Complex 41 on Cape Canaveral Air Force Station. For more information, visit http://www.nasa.gov/msl. Photo credit: NASA/Kim Shiflett KSC-2011-6716

CAPE CANAVERAL, Fla. -- The multi-mission radioisotope thermoelectric ...

CAPE CANAVERAL, Fla. -- The multi-mission radioisotope thermoelectric generator (MMRTG) for NASA's Mars Science Laboratory (MSL) mission rests on its support base in the airlock of the Payload Hazardous Servici... More

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