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Like distant galaxies amid clouds of interstellar dust, chunks of sea ice drift through graceful swirls of grease ice in the frigid waters of Foxe Basin in the Canadian Arctic.
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Ice Stars
Ice Stars
The sun sets over NASA's Kennedy Space Center in Florida, on October 13, 2010.
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Vivid Sunset
Vivid sunset
This image, taken on 4 July 2002, shows spiraling eddies known as von Karman vortices over Alaska’s Aleutian Islands. Such eddies form as air flows over and around objects in its path. In this case, these eddies were created when prevailing winds sweeping east across the northern Pacific Ocean encountered Alaska’s Aleutian Islands.
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Extraordinary Eddies
Extraordinary eddies
A changing landscape in the heart of Madagascar, showing drainage into the sea in the Betsiboka Estuary due to decimation of rainforests and coastal mangroves. 
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The heart of Madagascar
The heart of Madagascar
A series of rocky outcroppings are a prominent feature of this Sahara Desert landscape near the Terkezi Oasis in the country of Chad. This image was taken by the Landsat 7 satellite on October 22, 2000. It is a false-color composite image made using near infrared, green, and red wavelengths. The image has also been sharpened using the sensor's panchromatic band.
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Terkezi Oasis
Terkezi Oasis
February 12, 1984: Mission specialist Bruce McCandless II ventures further away from the confines and safety of his ship than any previous astronaut has ever been. This space first was made possible by the Manned Manuevering Unit or MMU, a nitrogen jet-propelled backpack. After a series of test maneuvers inside and above Challenger's payload bay, McCandless went 'free-flying' to a distance of 320 feet away from the Orbiter. This stunning orbital panorama view shows McCandless out there amongst the black and blue of Earth and space.
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TO BOLDLY GO: February 12, ...
To boldly go
This simulated natural color image shows the Coco River, between Nicaragua and Honduras, as seen from space on December 5, 2002. As it makes its way to the Caribbean Sea, the Coco River forms the border between the two countries. The coastline, known as the Mosquito Coast, is of low relief and has plentiful water bodies, relic shorelines and high temperatures. Mosquito Coast derives its name from its principal inhabitants, the Miskito Indians, whose name was corrupted into Mosquito by European settlers. The Mosquito Indians, of whom there are several tribes, are short in stature and very dark-skinned. The first European settlement in the Mosquito country started in 1630, when agents of the English-chartered Providence Company established friendly relations with the local inhabitants. The image shown covers an area of 29 x 39 kilometers (18 x 24 miles).
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This simulated natural colo...
Coco River, Nicaragua and Honduras
Bombetoka Bay in northwestern Madagascar is an inlet of Mozambique Channel, and is at the mouth of the Betsiboka River. Just downstream is the second largest port of Madagascar, the town of Mahajanga, a road terminus and trade center that exports sugar, coffee, spices, cassava, vegetable oils, timber and vanilla. The surrounding area abounds in extensive coffee plantations. Simulated natural color image taken by the Advanced Spaceborne Thermal Emission and Reflection Radiometer (ASTER) on August 23, 2000.
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BOMBETOKA BAY: Bombetoka Ba...
Bombetoka Bay
This image, taken in February 1984, shows the confluence of the Parana and Paraguay Rivers northeast of the town of Corrientes, in Argentina. The Parana is South America's second largest river (the Amazon being the largest), and the river and its tributaries are important transportation routes for landlocked cities in Argentina, Paraguay, Bolivia and Brazil. Both the Parana and Paraguay Rivers are loaded with sediment; the Paraguay (left) contains a tan sediment and the Parana (right) contains a reddish-brown muddy sediment. As the two rivers merge in the center of the photo and begin to flow southwest, we see how their sediments remain fairly unmixed for many miles downstream. Original high-resolution image here.
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This image, taken in Februa...
Paraná River, Argentina and Paraguay
This image, captured by the Landsat-8 satellite, shows the view over Western Australia on May 12, 2013. The image shows rich sediment and nutrient patterns in a tropical estuary area and complex patterns and conditions in vegetated areas.  The image is enhanced and involved masking, separately enhancing and then reassembling water and land portions of the image. The water patterns are the result of an RGB display of Landsat-8’s red, blue, and ultra-blue bands. Land is shown using short-wavelength-infrared, near-infrared and green. 
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Color Explosion
Color explosion
Captured onboard a NASA Operation IceBridge flight to survey glacier change in a warming world, this photograph shows a beach and stream in Russel Fjord, Alaska, near the terminus of Hubbard Glacier.
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Beached bergs in Alaska
Beached bergs in Alaska
Susitna Glacier, Alaska. Like rivers of liquid water, glaciers flow downhill, with tributaries joining to form larger rivers. But where water rushes, ice crawls. As a result, glaciers gather dust and dirt, and bear long-lasting evidence of past movements. Alaska’s Susitna Glacier reveals some of its long, grinding journey in this image, taken from space on August 27, 2009. The satellite image combines infrared, red and green wavelengths to form a false-color picture. Vegetation is red and the glacier’s surface is marbled with dirt-free blue ice and dirt-coated brown ice. Infusions of relatively clean ice push in from tributaries in the north. The glacier surface appears especially complicated near the center of the image, where a tributary has pushed the ice in the main glacier slightly southward. In the lower left corner of this image, meltwater lakes can be seen on top of the ice.
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Like rivers of liquid water...
Susitna Glacier
Guinea-Bissau is a small country in West Africa. Complex patterns can be seen in the shallow waters along its coastline, where silt carried by the Geba and other rivers washes out into the Atlantic Ocean. Image taken by Landsat 7 on December 1, 2000.
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GUINEA-BISSAU COAST: Guinea...
Guinea-Bissau coast
These night-shining clouds were spotted over Billund, Denmark on July 15, 2010. These rare clouds are technically called "noctilucent" or "polar mesospheric" clouds, and form at high altitudes, 80 to 85 kilometers (50 to 53 miles) high, where the mesosphere is located. The clouds' high position in the atmosphere allows them to reflect sunlight long after the sun has dropped below the horizon. They only form when the temperature drops below –130 degrees Celsius (-200 degrees Fahrenheit), whereupon the scant amount of water high in the atmosphere freezes into ice clouds. This happens most often in countries at high northern and southern latitudes (above 50 degrees) in the summer, when the mesosphere is coldest. Studies suggest that night-shining clouds are becoming brighter and more common, which is linked to the mesosphere getting colder and more humid. These changes may be happening because of increased levels of heat-trapping greenhouse gases such as carbon dioxide and methane in the atmosphere. In the mesosphere, carbon dioxide radiates heat into space, causing cooling. More methane, on the other hand, puts more water vapor into the atmosphere, because sunlight breaks methane up into water molecules at high altitudes. Research is ongoing.
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Nocturnal Wonders
Nocturnal wonders
Manam Volcano in Papua New Guinea, as seen from space on June 16, 2010. Located 13 kilometers (8 miles) off the coast of mainland Papua New Guinea, Manam forms an island 10 kilometers (6 miles) wide. It is a stratovolcano. The volcano has two summit craters, and although both are active, most historical eruptions have arisen from the southern crater. On June 16, the volcano released a thin, faint plume as clouds clustered at the volcano's summit. Rivulets of brown rock interrupt the carpet of green vegetation on the volcano’s slopes. White clouds partially obscure the satellite’s view of Manam. The clouds may be the result of water vapor from the volcano, but they may also have formed independently of volcanic activity. The volcanic plume appears as a thin blue-gray veil extending toward the northwest over the Bismarck Sea.
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MANAM VOLCANO: Manam Volcan...
Manam Volcano
The Caicos Islands in the northern Caribbean are a popular tourist attraction, renowned for their beautiful beaches, clear waters, scuba diving, and luxury resorts. The islands lie primarily along the northern perimeter of the submerged Caicos Bank (turquoise), a shallow limestone platform formed of sand, algae, and coral reefs covering 2,370 square miles (6,140 square kilometers). Image taken by Landsat 7 on April 24, 2003.
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CARIBBEAN LUXURY: The Caico...
Caribbean luxury
This image shows a spinning formation of ice, clouds and low-lying fog off the eastern coast of Greenland. This image was acquired by the Landsat 7 satellite on May 14, 2001. This is a false-color composite image made using infrared, red and green wavelengths.
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Whirlpool
Whirlpool
Earth and its Moon are nicely framed in this image taken from the aft windows of the Space Shuttle Discovery in 1998. Discovery, on mission STS-95, was flying over the Atlantic Ocean at the time this image was taken.
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MOON FRAME: Earth and its M...
Moon frame
Some of the most breathtaking views of Earth taken from space are those that capture our planet's limb. When viewed from the side, the Earth looks like a flat circle, and the atmosphere appears like a halo around it. This edge of the atmosphere is known as the limb. Viewed from space, the image of this luminous envelope of gases shielding life on our planet from the dark, cold space beyond rarely fails to fascinate us. What makes this image even more fascinating is the added silhouette of the space shuttle Endeavour. The orange layer seen is the troposphere, where all of the weather and clouds that we typically experience are created and contained. The troposphere gives way to the whitish stratosphere and then mesosphere. This image was captured by an astronaut prior to Endeavour's rendezvous and docking with the International Space Station on February 9, 2010.
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ENDEAVOUR: Some of the most...
Endeavour
This false-color image shows snow-capped peaks and ridges of the eastern Himalayas between major rivers in southwest China. The Himalayas are made up of three parallel mountain ranges that together stretch for more than 1800 miles (2,900 kilometers). This particular image was taken by NASA’s Advanced Spaceborne Thermal Emission and Reflection Radiometer (ASTER), flying aboard the Terra satellite, on February 27, 2002. The picture is a composite made by combining near-infrared, red and green wavelengths.
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Himalayas
The Himalayas
Small, blocky shapes of towns, fields, and pastures surround the graceful swirls and whorls of the Mississippi River. Countless oxbow lakes and cutoffs accompany the meandering river south of Memphis, Tennessee, on the border between Arkansas and Mississippi, USA. The 'mighty Mississippi' is the largest river system in North America. Image taken by Landsat 7 on May 28, 2003.
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MEANDERING MISSISSIPPI: Sma...
Meandering Mississippi
This map shows the bright lights of cities and wildfires set against the inky black backdrop of night. The image is actually a composite of satellite data collected over a number of days in April 2012 and October 2012, and is the result of 312 orbits and 2.5 TB of information. The lights seen here are not just from cities; they are also from wildifires, lightning, gas flares and reflected moonlight. Because the image is a composite of several days’ worth of data, fires and other points of light may have been picked up by the satellite and integrated into the composite image even though they were temporary, making some rural locations (such as in Australia) seem brighter than they really are on a typical day.
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Night lights, big cities
Night lights, big cities
The Republic of Maldives is a country located in the Indian Ocean, southwest of India.
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Republic of Maldives
Republic of Maldives
This stunning image of the northwest corner of Australia was snapped by a student on Earth after remotely controlling the Sally Ride EarthKAM aboard the International Space Station.
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Northwest Australia from th...
Northwest Australia from the Space Station
​ A spring phytoplankton bloom off of the Alaskan coast.
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Churning in the Chukchi Sea
Churning in the Chukchi Sea

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Interactives, galleries and apps

Images of Change

Images of Change

Explore a stunning gallery of before-and-after images of Earth from land and space that reveal our home planet in a state of flux.
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Climate Time Machine

Climate Time Machine

Travel through Earth's recent climate history and see how increasing carbon dioxide, global temperature and sea ice have changed over time.
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Eyes on the Earth

Eyes on the Earth

Track Earth's vital signs from space and fly along with NASA's Earth-observing satellites in an interactive 3D visualization.
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Global Ice Viewer

Global Ice Viewer

Earth's ice cover is shrinking. See how climate change has affected glaciers, sea ice, and continental ice sheets.
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