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Ascraeus Mons Pits

Sept. 19, 2003
NASA's Mars Global Surveyor shows a suite of collapse pits on the northeast flank of the volcano, Ascraeus Mons on Mars.

MGS MOC Release No. MOC2-482, 13 September 2003

This August 2003 Mars Global Surveyor (MGS) Mars Orbiter Camera (MOC) image shows a suite of collapse pits on the northeast flank of the volcano, Ascraeus Mons. These pits are aligned along the trend of faults that are not well exposed at the surface; the faults are concentric to the volcano summit. The image is located near 13.0°N, 103.2°W. This picture covers an area 3 km (1.9 mi) across and is illuminated by sunlight from the lower left.

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