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Gullies in Terraced Crater Wall

NASA's Mars Global Surveyor shows gullies in the upper crater wall and emergent from the slope of a lower terrace on Mars.
PIA04548
Credits: NASA/JPL/Malin Space Science Systems
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Description

MGS MOC Release No. MOC2-375, 29 May 2003

Gullies--possibly formed by a liquid such as water in the recent martian past--formed at two different levels in the walls of a meteor impact crater near 36.2°S, 185.5°W. This Mars Global Surveyor (MGS) Mars Orbiter Camera (MOC) image shows gullies in the upper crater wall (top of the image) and emergent from the slope of a lower terrace (bottom of the image). Sunlight illuminates the scene from the upper left.