This Ice Cliff is One of the Few Places With Exposed Water ice in the Mid-Latitudes on Mars. It's Probably Tens of Millions of Years old Article by Nancy_A , images by HiRISE
Byrne said the cliff in this image is one example out of a few dozen that are known. However, if sunlight hits these icy cliffs, and if the cliff is steep enough, sometimes an avalanche can take place as the ice sublimates away.An avalanche on Mars captured by the HiRISE camera on the Mars Reconnaissance Orbiter on November 27, 2011. Credit: NASA/JPL/University of Arizona.
in the Martian mid-latitudes where they believe the ice could be as little as an inch below the surface. This rainbow-colored map shows underground water ice on Mars. Cool colors are closer to the surface than warm colors; black zones indicate areas where a spacecraft would sink into fine dust; the outlined box represents the ideal region to send astronauts for them to dig up water ice. Credits: NASA/JPL-Caltech/ASU
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