Dunes of sand-sized materials have been trapped on the floors of many Martian craters, as seen in this view captured by NASA Mars Reconnaissance Orbiter. This is one example, from a crater in Noachis Terra, west of the giant Hellas impact basin.
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Details
Title: Dune Symmetry Inside Martian Crater
Creator: NASA/JPL-Caltech/University of Arizona
Date Created: 2010-01-13
Rights: JPL
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