Catalog Page for PIA02874

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PIA02874: The Pits

This image from NASA's Mars Global Surveyor shows a portion of a pit chain on the lower, northern flank of the giant martian volcano, Arsia Mons.

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:	1672 x 8935 pixels (w x h)
Produced By:	Malin Space Science Systems
Producer ID:	MOC2-1395
Full-Res TIFF:	PIA02874.tif (14.96 MB)
Full-Res JPEG:	PIA02874.jpg (1.629 MB)

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:

8 March 2006
This Mars Global Surveyor (MGS) Mars Orbiter Camera (MOC) image shows a portion of a pit chain on the lower, northern flank of the giant martian volcano, Arsia Mons. Pits such as these commonly form as a result of collapse of surface materials into a subsurface void, possibly along a fault or into an old lava tube. The layered material, exposed near the top of several of the pits, is shedding house-sized boulders which can be seen resting on the sloping sidewalls and floors of many of the pits.

Location near: 6.7°S, 120.1°W
Image width: ~3 km (~1.9 mi)
Illumination from: lower left
Season: Southern Summer

Image Credit:

NASA/JPL/Malin Space Science Systems

Image Addition Date:

2006-03-08