This image of Mars shows the north polar ice cap, the border between highlands and lowlands, former river valleys, plains covered by dark sands and the large Hellas Planitia impact basin in the south. Credit: ESA/DLR/FU Berlinkerfitten1234 t1_j96w8e9 wrote
Reply to comment by UndendingGloom in This image of Mars shows the north polar ice cap, the border between highlands and lowlands, former river valleys, plains covered by dark sands and the large Hellas Planitia impact basin in the south. Credit: ESA/DLR/FU Berlin by MistWeaver80
Mars is a cold desert, like Antarctica. Also mars' atmosphere is too thin to allow water to exist in liquid form on the surface, except in special circumstances.
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