Archangels Dunes
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Archangel's Dunes

July 10, 2014
This Mars Global Surveyor (MGS) Mars Orbiter Camera (MOC) image shows dark sand dunes in Arkhangelsky Crater, named for A. D. Arkhangelsky (1879–1940), an influential, early Russian geologist. The steepest slopes on these dunes, their slip faces, point toward the northeast (upper right), indicating formative winds from the southwest.

Credit: NASA/JPL/Malin Space Science Systems

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