NASA's Mars Global Surveyor shows small wind-eroded ridges, known to geologists as yardangs, in the Eumenides Dorsum region of Mars.

12 March 2005
This Mars Global Surveyor (MGS) Mars Orbiter Camera (MOC) image shows small wind-eroded ridges, known to geologists as yardangs, in the Eumenides Dorsum region.

Location near: 3.6°N, 150.5°W
Image width: ~3 km (~1.9 mi)
Illumination from: upper left
Season: Northern Summer

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