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Polar Plumage
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- Full-Res JPEG (1024 x 2520) (307.1 kB)
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Caption:
8 May 2006
This Mars Global Surveyor (MGS) Mars Orbiter Camera (MOC) image shows dunes in the north polar region of Mars. The dunes in this scene are covered by a layer of carbon dioxide frost that accumulated during the winter in 2005. Dark spots indicate areas where frost has begun to sublime away. In summer, the dune field will be dark, as all of the frost will be gone and the iron- and magnesium-bearing silicate sands will be exposed.
Location near
: 81.9°N, 226.1°W
Image width
: ~3 km (~1.9 mi)
Illumination from
: lower left
Season
: Northern Spring
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 | 2006-05-08 | |
| Date in Caption | 2006-05-08 | |
| Image Credit | NASA/JPL/Malin Space Science Systems | |
| Source | photojournal.jpl.nasa.gov/catalog/PIA08437 | |
| Identifier | PIA08437 | |
