Frost-covered chaos on Mars

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Thanks to a break in the dusty ‘weather’ over the giant Hellas Basin at the beginning of this year, ESA’s Mars Express was able to look down into the seven kilometre-deep basin and onto the frosty surface of Hellas Chaos.

via ESA Space Science

http://www.esa.int/Our_Activities/Space_Science/Mars_Express/Frost-covered_chaos_on_Mars