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Ascraeus Pits
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Ascraeus Pits

April 18, 2012
This Mars Global Surveyor (MGS) Mars Orbiter Camera (MOC) image shows collapse pits on the northern flank of the giant Tharsis shield volcano, Ascraeus Mons. Details in rock and dust are seen when this image is examined at its full, 1.5 meters (5 ft) per pixel resolution. Large, dark boulders occur on the floors of some of the pits, for example. This scene is located near 13.1°N, 103.1°W. The picture covers an area 3 km (1.9 mi) wide and is illuminated by sunlight from the lower left. MGS MOC Release No. MOC2-988, 31 January 2005

Credits: NASA/JPL/Malin Space Science Systems