National parks: DeathValley_allskypan_NSNSD_NPS - public domain image
Data mosaic shows "all sky" brightness measurements from celestial and outdoor light sources at Racetrack Playa, Death Valley National Park, Nevada/California.
National parks: AcadiaNP_allskypan_NSNSD_NPS - public domain image
Data mosaic shows "all sky brightness" measurements from celestial and outdoor sources at Cadillac Mountain, Acadia National Park, Maine.
National parks: BigBend_allskypan_NSNSD_NPW - public domain image
Data mosaic shows "all sky" brightness measurements from celestial and outdoor lighting sources, Emory Peak, Big Bend National Park, Texas.
National parks: ChacoCulture_allskypan_NSNSD_NPS - public domain image
Data mosaic shows "all sky" brightness measurements from celestial and outdoor light sources at Chaco Culture National Historical Park, New Mexico.
National parks: AgateFossilBeds_allskypan_NSNSD_NPS - public domain im...
Data mosaic shows "all sky" brightness and artificial light measurements at Carnegie Hill, Agate Fossil Beds National Monument, New Mexico
National parks: Arches_allskypan_NSNSD_NPS - public domain image
Data mosaic shows "all sky" brightness measurements from celestial and outdoor lighting sources, Balanced Rock, Arches National Park, Utah.
National parks: CapeHatteras_allskypan_NSNSD_NPS - public domain image
Data mosaic shows "all sky" brightness measurements from celestial and outdoor light sources, Ocracoke-Pony Pens Boardwalk, Cape Hatteras National Seashore
Big Cypress_allskypan_NSNSD_NPS, National Parks gallery
Data mosaic shows "all sky" brightness measurements from celestial and outdoor lighting sources, Kirby Storter Roadside Park, Big Cypress NP, Florida.
National parks: Biscayne_allskypan_NSNSD_NPS - public domain image
Data mosaic shows "all sky" brightness from celestial and outdoor light sources at Boca Chita Key, Biscayne National Park, Florida.
Milky Way, Henry Mountains_NSNSD_BLM
Data mosaic shows "all sky" brightness measurements from celestial and outdoor lighting sources at Henry Mountains west of Starr Spring, Utah.
National parks: Chaconight_NSNSD_NPS_LWHung - public domain image
The Milky Way and stars fill the night sky above an Ancestral Puebloan ruin at Chaco Culture National Historical Park, New Mexico.
National parks: SB_Eclipse_LWH - public domain image
Video still frame shows two NPS scientists setting up calibrated camera equipment to document the star-filled night sky during the time of the eclipse at Scotts Bluff National Monument, Nebraska. Scotts Bluff w... More
National parks: SleepingBearDunes_NSNSD_NPS_JMWhite - public domain im...
A custom camera measures "all sky brightness" from celestial and outdoor lighting sources at Sleeping Bear Dunes National Lakeshore, Michigan.
National parks: LABE_BW_NPS_Duriscoe - public domain image
A starry night sky and arching Milky Way illumine night skies over horizon in this black and white, panorama view of Lava Beds National Monument, California.
National parks: GLAC_Aurora_JacobFrank_NPS - public domain image
The Aurora Borealis shimmers green across night skies and on the surface of a lake at Glacier National Park.
National parks: GLAC_MilkyWay_plants_NPS_JacobFrank - public domain im...
Colorful dusk view of the Milky Way and starry sky above silhouetted stalks of flowers and mountainous landscape, Glacier National Park, Montana.
National parks: ROMO_MWPan_NPS_JMWhite - public domain image
Trees in silhouette against a starry night sky frame this view of the Milky Way at Rocky Mountain National Park, Colorado.
National parks: ROMO_Sprague_NPS_JMWhite - public domain image
A luminous Milky Way and stars are reflected on the surface of Sprague Lake at Rocky Mountain National Park, Colorado.
National parks: CraterLake_MilkyWay_JMWhite - public domain image
The Milky Way illumines night sky over Crater Lake, Oregon. Public domain photograph - night sky, astronomy, universe, space, free to use, no copyright restrictions image - Picryl description
Milky Way, GRBA_Wheeler_B&W_NPS
Black and white photo of the Milky Way and a constellation of stars over snow-capped Wheeler Peak at Great Basin National Park.
National parks: JuniorRanger_NightExplorer_NPS - public domain image
Cover view of the National Park Service Junior Ranger Night Explorer activity guide for ages 5 to 12.
National parks: GRCA_Caperoyal_MilkyWay_JMWhite - public domain image
The Milky Way illumines an opalescent, dusk night sky with views to dramatic rock formations from Cape Royal Trail at the North Rim of Grand Canyon National Park, Arizona.
National parks: ROMO_FCOpan_NPS_JMW - public domain image
The Milky Way glows bright against an opalescent, turquoise-colored night sky at Forest Canyon Overlook, Rocky Mountain National Park, Colorado.
Milky Way, GRBA_panB&W_NPS - Public Domain image, National Parks Galle...
Black and white view of the Milky Way and starry night sky over Great Basin National Park, Nevada.
National parks: GLAC_NightReflections_NPS_JacobFrank - public domain i...
Starry constellations shimmer light across the lake and reflect the night sky above at Glacier National Park, Montana.
National parks: GLAC_Aurora_NPS - public domain image
The Aurora Borealis adds green hue to night skies over Glacier National Park, Montana.
National parks: ROMO_Reflectvert_NPS_JMWhite - public domain image
Still surface lake waters reflect a starry night sky at Rocky Mountain National Park, Colorado.