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June 12, 2012
This Mars Global Surveyor (MGS) Mars Orbiter Camera (MOC) image shows repeated layers of material, possibly a combination of dust and ice, or perhaps ancient sedimentary rock, exposed by erosion on a slope in the south polar region of Mars. MGS MOC Release No. MOC2-1486, 7 June 2006

Credit: NASA/JPL/Malin Space Science Systems

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