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This multitemporal Sentinel-1A radar image shows the Aral Sea, located on the border between Kazakhstan and Uzbekistan in Central Asia.
Earth from Space: Ulan Bator, Mongolia
The Mongolian capital of Ulan Bator is captured in this image from the Landsat-8 satellite.
This image of Ireland was taken on 10 March 2015 by ESA astronaut Samantha Cristoforetti
Iceland, dressed in winter white, peaked through a hole in a complex system of clouds in late February, 2015.
The mission of Operation IceBridge is to collect data on changing polar land and sea ice and maintain continuity of measurements between NASA's Ice, Cloud and Land Elevation Satellite (ICESat) missions.
Researchers at Sandia National Laboratories' Z machine have helped untangle a long-standing mystery of astrophysics: why iron is found spattered throughout Earth's mantle, the roughly 2,000-mile thick region between Earth's core and its crust.
Researchers have discovered two seafloor troughs that could allow warm ocean water to reach the base of Totten Glacier, East Antarctica's largest and most rapidly thinning glacier.
This image from over the Azores island of São Miguel features a volcanic complex called the Sete Cidades Massif. The circular crater or caldera dominates the image and measures about 5 km across. The interior has lakes, volcanic cones, lava domes and maars - or shallow, flooded craters.
Are leaves and buds developing earlier in the spring? And do leaves stay on the trees longer in autumn? Do steppe ecosystems remaining green longer and are the savannas becoming drier and drier?
This image of Hungary, with the political border in white, is a mosaic of 11 scans by Sentinel-1A's radar from October to December 2014. The scans were recorded in 'dual polarisation' horizontal and vertical radar pulses, from which the artificial colour composite was generated.
Image of Oman taken by Astronaut Samantha Cristoforetti in 17 February 2015. She asks "What do your eyes see?" Larger image
Violent collisions between the growing Earth and other objects in the solar system generated significant amounts of iron vapor, according to a new study by LLNL scientist Richard Kraus and colleagues.
This false-colour image from the Spot-5 satellite was acquired on 28 September 2011 over central Belgium, capturing the capital city of Brussels (left).
Global Precipitation Measurement mission has produced its first global map of rainfall and snowfall.
NASA's newest Earth-observing satellite SMAP, has triumphantly raised its "arm" and unfurled a huge golden antenna that it will soon spin up to rope the best soil moisture maps ever obtained from space.
From the International Space Station, European Space Agency astronaut Samantha Cristoforetti took this photograph of Chicago and posted it to social media on Feb. 19, 2015.
The Sahara Desert and the Amazon rainforest seem to inhabit separate worlds.
In Antarctica, the crew of the FrenchItalian Concordia research station are preparing for the winter. They have to survive six months of complete isolation four in darkness because the Sun never rises above the horizon while they perform science in one of the most barren places on Earth.
The Baltic country of Estonia - with the political borders in white - is pictured in this mosaic of eight scans by Sentinel-1A's radar from October to December 2014. The scans were recorded in 'dual polarisation' horizontal and vertical radar pulses, from which the artificial colour composite was generated.
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