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Terra Sirenum Gullies
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Caption:
29 March 2006
This Mars Global Surveyor (MGS) Mars Orbiter Camera (MOC) image shows a portion of the northern wall complex of a crater in northwest Terra Sirenum. Several spectacular gully networks extend from a variety of elevations on the wall and run downslope toward the crater floor (bottom of image). The genesis of these features is still hotly debated in the Mars science community. Among the possibilities is that of a combination of mass movement and groundwater seepage and runoff.
Location near
: 39.2°S, 164.2°W
Image width
: ~3 km (~1.9 mi)
Illumination from
: upper left
Season
: Southern Summer
Cataloging Keywords:
| Name | Value | Additional Values |
|---|---|---|
| Target | Mars | |
| System | ||
| Target Type | Planet | |
| Mission | Mars Global Surveyor (MGS) | |
| Instrument Host | Mars Global Surveyor | |
| Host Type | Orbiter | |
| Instrument | Mars Orbiter Camera (MOC) | |
| Detector | ||
| Extra Keywords | Crater, Grayscale, Water | |
| Acquisition Date | ||
| Release Date | 2006-03-29 | |
| Date in Caption | 2006-03-29 | |
| Image Credit | NASA/JPL/Malin Space Science Systems | |
| Source | photojournal.jpl.nasa.gov/catalog/PIA08020 | |
| Identifier | PIA08020 | |
