From NASA's Planetary Photojournal
This Mars Global Surveyor's Mars Orbiter Camera (MOC) image, taken in early September 2000, shows a group of sand dunes at the edge of a much larger field of dark-toned dunes in Proctor Crater. Located at 47.9¡S, 330.4¡W, in the 170 km- (106 mi-) diameter crater named for 19th Century British astronomer Richard A. Proctor (1837-1888), the dunes shown here are created by winds blowing largely from the east/northeast. A plethora of smaller, brighter ripples covers the substrate between the dunes. Sunlight illuminates them from the upper left.
Image Title: Sharks Teeth - Sand Dunes in Proctor Crater
Catalog #: PIA03208
Photo Target Name: Mars
Image Credit: NASA/JPL/Malin Space Science Systems
Spacecraft/Mission: Mars Global Surveyor Orbiter
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Last Modified On: Thursday, March 8, 2001