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Astronomy版 - Astronomy Picture of Day: Melting Snow
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发帖数: 1994
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Melting Snow and the Gullies of Mars
Credit: P. Christensen (ASU), THEMIS, Mars Odyssey, NASA
Explanation: Tantalizing images of gullies on Mars have offered striking evidence for recent
flows of liquid water. But Mars is too cold and its atmosphere too thin for liquid water to exist
on the surface. Still a new and compelling explanation for gullies carved by liquid water was
inspired by this recently released image from the Mars Odyssey spacecraft. Pictured is a
section of what is lik
1 (共1页)
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