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Polar Dunes, Spotted
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Caption:
23 August 2004
This Mars Global Surveyor (MGS) Mars Orbiter Camera (MOC) image shows sand dunes in the martian north polar region in mid-spring, July 2004. In summer, the dunes will be dark. As they defrost, dark spots form on their surfaces. This image is located near 82.8°N, 219.6°W. The image covers an area about 3 km (1.9 mi) across and sunlight illuminates the scene from the lower 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 | Atmosphere, Dune, Grayscale, Storm | |
| Acquisition Date | ||
| Release Date | 2004-08-23 | |
| Date in Caption | 2004-08-23 | |
| Image Credit | NASA/JPL/Malin Space Science Systems | |
| Source | photojournal.jpl.nasa.gov/catalog/PIA06815 | |
| Identifier | PIA06815 | |
