HiRISE: Dune maze craze

tumblr_p220wiQ9ZQ1rlz4gso1_1280Dune maze craze. This image shows sand dunes on the northern plains in the spring, when the seasonal frost is sublimating (and making crazy patterns). The dunes have coalesced here into an interlocking maze. Polygons between the dunes are due to expansion and contraction of shallow ice.

Beautiful Mars series.

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