Mars' bright south pole reflections may be clay—not water
Bright reflections observed at Mars' south pole serve as evidence for water. But, seeing may be deceiving.
Bright reflections observed at Mars' south pole serve as evidence for water. But, seeing may be deceiving.
Planetary Sciences
Jul 29, 2021
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An earlier discovery of liquid water lakes beneath Mars' south pole may not be as wet as believed, a new paper says.
Space Exploration
Jun 29, 2021
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The future USS Zumwalt is so stealthy that it'll go to sea with reflective material that can be hoisted to make it more visible to other ships.
Other
Apr 10, 2016
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This image from Sentinel-1A's radar captures part of Germany's state of Bavaria, with the city of Munich on the right and Augsburg at the centre.
Earth Sciences
Jul 24, 2015
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The Chinese city of Tianjin is captured in this Sentinel-1A radar image created by combining three scans over several months.
Earth Sciences
Jun 5, 2015
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This radar image captures part of Catalonia in northeastern Spain including the city of Barcelona (right), the site of one of Europe's principal seaports.
Earth Sciences
May 15, 2015
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This image from Sentinel-1A's radar on 11 July shows Tokyo Bay in Japan.
Earth Sciences
Nov 21, 2014
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Guanabara Bay in southeast Brazil is pictured in this image from the Sentinel-1A satellite.
Earth Sciences
Jul 11, 2014
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This image over the West Coast of the Netherlands is one of the early radar scans by the Sentinel-1A satellite, which was launched on 3 April.
Earth Sciences
Apr 25, 2014
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This image from Envisat's radar shows the Zambezi River's floodplain in western Zambia.
Earth Sciences
Jan 31, 2014
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