Northern Martian Dunes
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Northern Martian Dunes

September 19, 2012
This Mars Global Surveyor (MGS) Mars Orbiter Camera (MOC) image shows linear and barchan sand dunes in Chasma Boreale, a broad erosional trough in the martian north polar region. Winds responsible for these dunes generally blow from upper right toward the lower left. Martian dunes tend to be darker than their counterparts on Earth because they are composed of darker, iron-bearing minerals and rock fragments. MGS MOC Release No. MOC2-1046, 30 March 2005

Credits: NASA/JPL/Malin Space Science Systems

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