NASA's Mars Global Surveyor shows layering in terrain at the high southern latitudes of Mars. South polar layers are commonly assumed to consist of varying amounts of dust and ice.

9 February 2006
This Mars Global Surveyor (MGS) Mars Orbiter Camera (MOC) image shows layering in terrain at the high southern latitudes of Mars. South polar layers are commonly assumed to consist of varying amounts of dust and ice. An alternative explanation -- they may be exposures of ancient sedimentary rock.

Location near: 78.9°S, 10.1°W
Image width: ~3 km (~1.9 mi)
Illumination from: upper left
Season: Southern Summer

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