Description
The large circular feature in this Mars Global Surveyor (MGS) Mars Orbiter Camera (MOC) image is the expression of a formerly filled and buried meteor crater, locked within sedimentary materials eroded by wind in the Memnonia Sulci region of Mars. The ridges and troughs in the image attest to the power of wind erosion to form yardangs.
Location near: 1.6°N, 173.9°W
Image width: ~3 km (~1.9 mi)
Illumination from: upper left
Season: Northern Summer
