This image is not an entrance to an underground Martian home.

By | November 9, 2009

Although this image appears to show a giant landlubber jellyfish, it is unfortunately nothing of the sort. Here, HiRise has captured a barchan (crescent-shaped) dune, observed in a northern region of Mars where in recent years the landforms have been found to be shrinking.

via Wired.

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