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West Arabia Barchans
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- Full-Res JPEG (1672 x 3398) (589.6 kB)
- Full-Res TIFF (1672 x 3398) (5.7 MB)
Caption:
16 July 2005
This Mars Global Surveyor (MGS) Mars Orbiter Camera (MOC) image shows small barchan dunes on the floor of a crater in western Arabia Terra. Similar dunes are found in most of the larger craters of the region. The steepest slopes on these dunes, their slipfaces, point toward the west-southwest, indicating that dominant winds blow from the east-northeast (upper right).
Location near
: 10.9°N, 2.8°W
Image width
: width: ~3 km (~1.9 mi)
Illumination from
: lower left
Season
: Northern Autumn
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 | |
| Acquisition Date | ||
| Release Date | 2005-07-16 | |
| Date in Caption | 2005-07-16 | |
| Image Credit | NASA/JPL/Malin Space Science Systems | |
| Source | photojournal.jpl.nasa.gov/catalog/PIA04101 | |
| Identifier | PIA04101 | |
