HiRISE (NASA)
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HiRISE 4K: Martian Barchans

Barchan dunes are common on both Earth and Mars. These dunes are very distinctive in shape, and are important because they can tell scientists about the environment in which they formed.

Full cutout on Flickr: flic.kr/p/2oUu3FH

NASA/JPL-Caltech/Arizona

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