HiRISE: Spider formations in crater

tumblr_p7cd4vgzYB1rlz4gso1_1280Spider formations in crater. Of course, these aren’t actual spiders, but that’s the name we give to these formations, called “araneiform.” The spiders here would be very unusual at northern latitudes. Seasonal series of pictures will allow us to compare processes extant here at a location with permanent ice.

Beautiful Mars series. [More at links]

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