Southern Dunes and Spiders

This image gives a rare glimpse of an area in the far south of Mars that is frequently
obscured by clouds or covered by surface frosts. Crescent-shaped sand dunes can be
seen scattered across patterned ground. The surface patterns are made up of channels
carved by carbon dioxide gas as it escapes from under the seasonal frost.

 
PSP 006538 1035

PSP 006538 1035

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Uploaded: February 21, 2008
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