This is a composite image of a 50-mile-wide crater on the surface of Mars. The five photographs used to make it were taken by the ESA's Mars Express Probe, which has been orbiting the red planet since 2003. It's called the Korolev crater, and it's filled with ice that's a mile thick in places. In just a few short years, we've gone from speculating about the possibility of water on Mars to a picture of a reservoir. Read more about the Korolev crater at the Guardian. -via TYWKIWDBI
(Image credit: Björn Schreiner/FU Berlin/DLR/ESA)
haven't we been able to see ice on the polar caps of mars for a long time? like decades? not disagreeing this is cool, just curious
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How does that not sublimate away? Given Mars' atmospheric pressure, I would expect the predictions of no open water from the last century to be true. Something interesting must be going on. Wonder what is dissolved in that water ...
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do you think it has flouride in it
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