This NASA Mars Global Surveyor image shows a variety of materials found on the floor of an impact crater northwest of Hellas Planitia.

30 April 2006
This Mars Global Surveyor (MGS) Mars Orbiter Camera (MOC) image shows a variety of materials found on the floor of an impact crater northwest of Hellas Planitia. The discontinuous, dark-toned ridges, typically running diagonally across the scene, are windblown ripples which overlie light-toned rock that is heavily fractured and cratered.

Location near: 25.0°S, 322.9°W
Image width: ~3 km (~1.9 mi)
Illumination from: upper left
Season: Southern Summer

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