Sisyphi Spine
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Sisyphi Spine

June 26, 2014
This Mars Global Surveyor (MGS) Mars Orbiter Camera (MOC) image shows a spine of material exposed in the Sisyphi Planum region of Mars. Gullies can be seen on the deeply-shadowed ridge slope. Mass movement (landsliding) has contributed to the erosion of this ridge and the creation of the apron of talus that surrounds it.

Credit: NASA/JPL/Malin Space Science Systems

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