Last updated on April 16, 2014 at 21:24 EDT
Martian Spectacles
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Martian Spectacles

May 30, 2012
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. MGS MOC Release No. MOC2-1498, 19 June 2006

Credits: NASA/JPL/Malin Space Science Systems