PIA02075: Lineated Valley Floor
NASA's Mars Global Surveyor shows valley floors in the middle latitudes of Mars, particularly in the 'fretted terrain' of northern Arabia Terra which have curious grooved and pitted surfaces.
 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:  737 x 1510 pixels (w x h) 
 Produced By:  Malin Space Science Systems 
 Producer ID:  MOC2-152  
 Addition Date:  2000-06-01 
 Primary Data Set:  MGS EDRs 
 Full-Res TIFF:  PIA02075.tif (1.293 MB)
 Full-Res JPEG:  PIA02075.jpg (306.4 kB)  

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Original Caption Released with Image:

Valley floors in the middle latitudes, particularly in the "fretted terrain" of northern Arabia Terra (shown here) have curious grooved and pitted surfaces. These features not glaciers and show very little evidence (if any) of flow. Their origin is unknown. MOC image from July 1998.

Image Credit:
NASA/JPL/MSSS

Image Addition Date:
2000-06-01