NASA Announces August 4 News Briefing On MRO Science Finding |
NASA Announces August 4 News Briefing On MRO Science Finding |
Aug 3 2011, 03:55 PM
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Newbie Group: Members Posts: 10 Joined: 20-April 05 Member No.: 293 |
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Aug 4 2011, 06:15 PM
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Member Group: Members Posts: 293 Joined: 22-September 08 From: Spain Member No.: 4350 |
Didn't we see something similar at Santa Marķa?
http://qt.exploratorium.edu/mars/opportuni...IEP1905L0M1.JPG |
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Aug 4 2011, 06:26 PM
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Member Group: Members Posts: 706 Joined: 3-December 04 From: Boulder, Colorado, USA Member No.: 117 |
Cool! Though the fact that CRISM doesn't spectroscopically see any water associated with the dark features makes me somewhat skeptical. If they are made by water, why aren't they wet? I hope they keep scanning with CRISM in the hopes of catching one in the act- maybe it's a matter of looking at the right time of day.
Or maybe they are dust avalanches that happen to be triggered by summer winds, though in that case it's surprising that they advance downslope so slowly and gradually. Hmmm.... John |
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