NASA's Mars Global Surveyor shows pits formed by sublimation in the frozen carbon dioxide of the martian south polar residual cap.

25 February 2005
This Mars Global Surveyor (MGS) Orbiter Camera (MOC) image shows pits formed by sublimation in the frozen carbon dioxide of the martian south polar residual cap.

Location near: 87.0°S, 108.1°W
Image width: ~1 km (~0.6 mi)
Illumination from: upper left
Season: Southern Summer

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