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Gullies and Dunes
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- Full-Res JPEG (836 x 1887) (166.4 kB)
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Caption:
7 July 2006
This Mars Global Surveyor (MGS) Mars Orbiter Camera (MOC) image shows gullies overlain by seasonal frost in the north wall of an unnamed crater west of Hellas Planitia. The gullies likely formed by a combination of mass movement (i.e., landsliding) and fluid flow (i.e., water-rich debris flows). Below (south of) the gullies is a field of sand dunes; they, too, are covered by seasonal frost.
Location near
: 47.4°S, 322.8°W
Image width
: ~3 km (~1.9 mi)
Illumination from
: upper left
Season
: Southern Winter
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, Dune, Grayscale, Water | |
| Acquisition Date | ||
| Release Date | 2006-07-07 | |
| Date in Caption | 2006-07-07 | |
| Image Credit | NASA/JPL/Malin Space Science Systems | |
| Source | photojournal.jpl.nasa.gov/catalog/PIA08580 | |
| Identifier | PIA08580 | |
