PIA04139: Polar Landforms
 Target Name:  Mars
 Is a satellite of:  Sol (our sun)
 Mission:  Mars Global Surveyor (MGS)
 Spacecraft:  Mars Global Surveyor Orbiter
 Instrument:  Mars Orbiter Camera (MOC)
 Product Size:  2048 x 3200 pixels (w x h)
 Produced By:  Malin Space Science Systems
 Producer ID:  MOC2-1179
 Full-Res TIFF:  PIA04139.tif (6.56 MB)
 Full-Res JPEG:  PIA04139.jpg (928 kB)

Click on the image above to download a moderately sized image in JPEG format (possibly reduced in size from original)

Original Caption Released with Image:

10 August 2005
This Mars Global Surveyor (MGS) Mars Orbiter Camera (MOC) image shows eroded remnants of carbon dioxide ice in the south polar residual cap of Mars. The scarps that outline each small mesa have retreated about 3 meters (~10 feet) per Mars year since MGS began orbiting the red planet in 1997.

Location near: 87.0S, 31.9W
Image width: width: ~3 km (~1.9 mi)
Illumination from: upper left
Season: Southern Spring

Image Credit:
NASA/JPL/Malin Space Science Systems

Image Addition Date:
2005-08-10