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Last updated on April 16, 2014 at 17:34 EDT
Archangels Dunes
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Archangel's Dunes

February 27, 2013
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. MGS MOC Release No. MOC2-1564, 24 August 2006

Credits: NASA/JPL/Malin Space Science Systems