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Exoplanets
Solar System
19
June 19, 2012
Published by
lfenton
at
June 19, 2012
Categories
HiRISE images
The edge of the ice
A piece of Mars: This is the edge of the northern polar cap on Mars. At the top is the bright icy surface, which is abruptly cut by a cliff. The wall of the cliff shows many layers of different
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