File:ESP 032011 1425newgullies.jpg
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Summary
Changes in gullies, as seen by HiRISE This observation is evidence that something other than flowing water can make gullies.
Observations like this show that gullies are forming today. Although we cannot pin down the season of this event, locations where HiRISE has been able to image more often demonstrate that this sort of event generally occurs in the winter, when liquid water is very unlikely. Despite their resemblance to water-formed ravines on Earth, carbon dioxide may play a key role in the formation of many Martian gullies.
Source: https://static.uahirise.org/images/2014/details/cut/ESP_032011_1425.jpg
Credit: NASA/JPL/University of Arizona
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 10:11, 31 October 2021 | | 800 × 800 (790 KB) | Suitupandshowup (talk | contribs) | Changes in gullies, as seen by HiRISE This observation is evidence that something other than flowing water can make gullies. Observations like this show that gullies are forming today. Although we cannot pin down the season of this event, locations where HiRISE has been able to image more often demonstrate that this sort of event generally occurs in the winter, when liquid water is very unlikely. Despite their resemblance to water-formed ravines on Earth, carbon dioxide may play a key role... |
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