This observation from NASA Mars Reconnaissance Orbiter shows a sand dune field in the Nili Fossae region of Mars. The dark lines swirling over the surface of the dunes are the tracks of dust devils.
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Details
Title: Dust Devil Tracks and Slope Streaks on Martian Sand Dunes
Creator: NASA/JPL-Caltech/Univ. of Arizona
Date Created: 2013-05-15
Rights: JPL
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