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Meridiani Crater
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Caption:
31 August 2005
This Mars Global Surveyor (MGS) Mars Orbiter Camera (MOC) image shows a crater formed in light-toned, layered, sedimentary rocks in Meridiani Planum. This crater is located approximately 55 kilometers (~34 miles) southwest of the Mars Exploration Rover, Opportunity, site. Erosion of sedimentary rock layers around the crater rim has caused an uneven retreat, resulting in the formation of U-shaped alcoves where undermining and collapse have occurred. Dark material in this scene is probably sand and granules, similar to the dark surfaces explored by the Opportunity rover.
Location near
: 3.1°S, 5.8°W
Image width
: width: ~3 km (~1.9 mi)
Illumination from
: lower left
Season
: Southern Spring
Cataloging Keywords:
| Name | Value | Additional Values |
|---|---|---|
| Target | Mars | |
| System | ||
| Target Type | Planet | |
| Mission | Mars Global Surveyor (MGS) | Mars Exploration Rover (MER) |
| Instrument Host | Mars Global Surveyor | Opportunity (MER-B) |
| Host Type | Orbiter | Rover |
| Instrument | Mars Orbiter Camera (MOC) | |
| Detector | ||
| Extra Keywords | Crater, Grayscale | |
| Acquisition Date | ||
| Release Date | 2005-08-31 | |
| Date in Caption | 2005-08-31 | |
| Image Credit | NASA/JPL/Malin Space Science Systems | |
| Source | photojournal.jpl.nasa.gov/catalog/PIA04197 | |
| Identifier | PIA04197 | |
