File:Russell Crater Dunes, Defrosted.jpg
Summary
The Russell Crater <a href="//commons.wikimedia.org/wiki/Dune" title="Dune">dune</a> field is covered seasonally by <a href="//commons.wikimedia.org/wiki/Carbon_dioxide" title="Carbon dioxide">carbon dioxide</a> <a href="//commons.wikimedia.org/w/index.php?title=Frost&action=edit&redlink=1" class="new" title="Frost (page does not exist)">frost</a>, and this image shows the dune field after the frost has sublimated (evaporated directly from solid to gas). There are just a few patches left of the bright seasonal frost. Numerous dark <a href="//commons.wikimedia.org/wiki/Dust_devil" title="Dust devil">dust devil</a> tracks can be seen meandering across the dunes. The face of the largest dune is lined with gullies. The source of the gullies is unclear but could involve <a href="//commons.wikimedia.org/wiki/Category:Erosion" title="Category:Erosion">erosion</a> by the seasonal carbon dioxide <a href="//commons.wikimedia.org/wiki/Ice" title="Ice">ice</a>.
Licensing
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File history
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 16:51, 12 January 2017 | | 2,560 × 1,920 (7.5 MB) | 127.0.0.1 (talk) | The Russell Crater <a href="//commons.wikimedia.org/wiki/Dune" title="Dune">dune</a> field is covered seasonally by <a href="//commons.wikimedia.org/wiki/Carbon_dioxide" title="Carbon dioxide">carbon dioxide</a> <a href="//commons.wikimedia.org/w/index.php?title=Frost&action=edit&redlink=1" class="new" title="Frost (page does not exist)">frost</a>, and this image shows the dune field after the frost has sublimated (evaporated directly from solid to gas). There are just a few patches left of the bright seasonal frost. Numerous dark <a href="//commons.wikimedia.org/wiki/Dust_devil" title="Dust devil">dust devil</a> tracks can be seen meandering across the dunes. The face of the largest dune is lined with gullies. The source of the gullies is unclear but could involve <a href="//commons.wikimedia.org/wiki/Category:Erosion" title="Category:Erosion">erosion</a> by the seasonal carbon dioxide <a href="//commons.wikimedia.org/wiki/Ice" title="Ice">ice</a>. |
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