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Circular Mesa
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Caption:
MGS MOC Release No. MOC2-538, 8 November 2003
This Mars Global Surveyor (MGS) Mars Orbiter Camera (MOC) image shows a circular mesa in northeast Arabia Terra. The circularity suggests that this landform might be similar to other circular mesas, found elsewhere on Mars. In those other cases, the mesa was once a meteor impact crater. The crater was filled with sediment, the sediment was cemented to become rock, and later erosion removed all of the material surrounding the former crater, leaving it standing alone as a circular mesa. This image is located near 23.7°N, 319.0°W, and covers an area 3 km (1.9 mi) wide. The scene is illuminated by sunlight from the left.
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, Impact | |
| Acquisition Date | ||
| Release Date | 2003-11-10 | |
| Date in Caption | 2003-11-08 | |
| Image Credit | NASA/JPL/Malin Space Science Systems | |
| Source | photojournal.jpl.nasa.gov/catalog/PIA04860 | |
| Identifier | PIA04860 | |
