THEMIS: Active dunes in Noachis Terra

Active dune field in Noachis Terra (THEMIS_IOTD_20170110)THEMIS Image of the Day, January 10, 2017. Today’s VIS image shows part of Noachis Terra, including several large dunes on the floor of an unnamed crater. These dunes are dark in tone, hence free of the light dust that’s everywhere on Mars. This strongly suggests the dunes are responding to the blowing wind.

More THEMIS Images of the Day by geological topic.

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