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Mars Global Surveyor
Mars Orbiter Camera

Autumn Gullies

MGS MOC Release No. MOC2-1600, 29 September 2006

Medium-sized view of MGS MOC Picture of the Day, updated daily
NASA/JPL/Malin Space Science Systems

This Mars Global Surveyor (MGS) Mars Orbiter Camera (MOC) image shows gullies and cracked and stressed gully apron deposits in a south mid-latitude crater. Gullies can also be seen in the deep shadow on the north wall of the crater. These gullies might have formed by the erosive action of liquid water, sometime in the not-too-distant martian past.
Location near: 36.7°S, 206.2°W
Image width: ~3 km (~1.9 mi)
Illumination from: upper left
Season: Southern Autumn


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Malin Space Science Systems and the California Institute of Technology built the MOC using spare hardware from the Mars Observer mission. MSSS operates the camera from its facilities in San Diego, California. The Jet Propulsion Laboratory's Mars Surveyor Operations Project operates the Mars Global Surveyor spacecraft with its industrial partner, Lockheed Martin Astronautics, from facilities in Pasadena, California and Denver, Colorado.

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