This Mars Global Surveyor (MGS) Mars Orbiter Camera (MOC) image shows dark slope streaks coming down the slopes of a knob in western Amazonis Planitia. All of the surfaces in this image are mantled by dust. On the slopes, mass movement of dry dust has created the streaks.
Location near: 19.6Â°N, 166.1Â°W
Image width: ~3 km (~1.9 mi)
Illumination from: lower left
Season: Northern Autumn