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Martian Spectacles
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Martian Spectacles

November 8, 2011
This Mars Global Surveyor (MGS) Mars Orbiter Camera (MOC) image shows a pair of partially-buried impact craters which are being exhumed on a plain east of Hellas in the Promethei Terra region Mars. (19 June 2006)

Credit: NASA/JPL/Malin Space Science Systems