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ISS012-E-21250 (2 March 2006) --- Dust and smog in northeast China are featured in this image photographed by an Expedition 12 crewmember on the International Space Station. Much of the land surface is obscured in this oblique image of the North China Plain and parts of Inner Mongolia. In the center of the view a mass of gray smog—mainly industrial pollution and smoke from domestic burning—obscures Beijing and surrounding cities. Numerous plumes with their source points appear within the mass. Beijing suffers some of the worst air pollution in the world from these chronic sources, and the characteristic colors and textures of the smog can be easily seen through windows of the International Space Station. The coastline of Bo Hai Bay, 300 kilometers east of Beijing, is visible at left. The light brown material in Bo Hai Bay is sediment from the Yellow and other rivers. Separated from the smog mass by a band of puffy, white cumulus clouds is a light brown plume of dust. The line of white cloud has developed along the escarpment that separates the heavily populated North China Plain – location of the largest population agglomeration on Earth – and the sparsely populated semi-desert plains of Inner Mongolia. Observers saw a number of dust events in most Northern Hemisphere deserts in the spring of 2006, and the Gobi and the Takla Makan deserts of western China were no exception. Dust plumes originating in these deserts typically extend eastward hundreds of kilometers, regularly depositing dust on Beijing, the Korean peninsula and Japan. Some plumes even extend over the Pacific Ocean. In extreme cases, visible masses of Gobi-derived dust have reached North America. iss012e21250
Summary
ISS012-E-21250 (2 March 2006) --- Dust and smog in northeast China are featured in this image photographed by an Expedition 12 crewmember on the International Space Station. Much of the land surface is obscured in this oblique image of the North China Plain and parts of Inner Mongolia. In the center of the view a mass of gray smog—mainly industrial pollution and smoke from domestic burning—obscures Beijing and surrounding cities. Numerous plumes with their source points appear within the mass. Beijing suffers some of the worst air pollution in the world from these chronic sources, and the characteristic colors and textures of the smog can be easily seen through windows of the International Space Station. The coastline of Bo Hai Bay, 300 kilometers east of Beijing, is visible at left. The light brown material in Bo Hai Bay is sediment from the Yellow and other rivers. Separated from the smog mass by a band of puffy, white cumulus clouds is a light brown plume of dust. The line of white cloud has developed along the escarpment that separates the heavily populated North China Plain – location of the largest population agglomeration on Earth – and the sparsely populated semi-desert plains of Inner Mongolia. Observers saw a number of dust events in most Northern Hemisphere deserts in the spring of 2006, and the Gobi and the Takla Makan deserts of western China were no exception. Dust plumes originating in these deserts typically extend eastward hundreds of kilometers, regularly depositing dust on Beijing, the Korean peninsula and Japan. Some plumes even extend over the Pacific Ocean. In extreme cases, visible masses of Gobi-derived dust have reached North America.
The International Space Station (ISS) is a habitable space station in low Earth orbit with an altitude of between 330 and 435 km (205 and 270 mi). It completes 15.54 orbits per day. Its first component launched into orbit in 1998, and the ISS is now the largest man-made body in low Earth orbit. The ISS consists of many pressurized modules, external trusses, solar arrays, and other components. ISS components have been launched by Russian Proton and Soyuz rockets, and American Space Shuttles. The ISS is a space research laboratory, the testing ground for technologies and systems required for missions to the Moon and Mars. The station has been continuously occupied for 16 years and 201 days since the arrival of Expedition 1 on 2 November 2000. This is the longest continuous human presence in low Earth orbit, having surpassed the previous record of 9 years and 357 days held by Mir. The station is serviced by a variety of visiting spacecraft: the Russian Soyuz and Progress, the American Dragon and Cygnus, the Japanese H-II Transfer Vehicle, and formerly the Space Shuttle and the European Automated Transfer Vehicle. It has been visited by astronauts, cosmonauts and space tourists from 17 different nations.
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