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PIA06805: Ancient Bedforms
NASA's Mars Global Surveyor shows groupings of large ripple-like windblown bedforms on the floor of a large crater in Sinus Sabaeus, south of Schiaparelli Basin on Mars.
 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:  836 x 1254 pixels (w x h) 
 Produced By:  Malin Space Science Systems 
 Producer ID:  MOC2-822  
 Full-Res TIFF:  PIA06805.tif (1.003 MB)
 Full-Res JPEG:  PIA06805.jpg (134.2 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:

18 August 2004
This Mars Global Surveyor (MGS) Mars Orbiter Camera (MOC) image shows groupings of large ripple-like windblown bedforms on the floor of a large crater (larger than the image shown here) in Sinus Sabaeus, south of Schiaparelli Basin. These ripple-like features are much larger than typical wind ripples on Earth, but smaller than typical sand dunes on either planet. Like most of the other ripple-like bedforms in Sinus Sabaeus, they are probably ancient and no longer mobile. Dark streaks on the substrate between the bedforms were formed by passing dust devils. This image is located near 13.0°S, 343.7°W. The image covers an area about 3 km (1.9 mi) across and sunlight illuminates the scene from the upper left.

Image Credit:
NASA/JPL/Malin Space Science Systems

Image Addition Date:
2004-08-18