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20 new caves, I discoveres 20 new "caves" on Mars |
  Sep 23 2007, 02:52 PM
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#1
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 Newbie  Group: Members Posts: 7 Joined: 20-July 07 From: Grenoble, France Member No.: 2904  |
I was looking at some Mars Express pictures just for fun, and I saw little dark things on the ground. I think it's in fact "caves" (even if I don't like to call them like that) like the ones Mars Odyssey discovered. The holes have been taken by the Mars Express spacecraft and are all in the same area.
You can see them here : http://marscope.blogspot.com/2007/09/les-2...s-young-20.html or http://marscope.blogspot.com. Please tell me if I'm wrong or not... |
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Sep 23 2007, 04:21 PM
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#2
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 Member Group: Members Posts: 754 Joined: 9-February 07 Member No.: 1700 |
My relatively uninformed impression is that they're craters. You've come to the right place to find an expert opinion though. Others here will be able to offer expert opinions.
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Sep 23 2007, 04:31 PM
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#3
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Founder Group: Chairman Posts: 14445 Joined: 8-February 04 Member No.: 1 |
You have to be carefull claiming that you 'discovered' them. Are some of these included in the Odyssey finding etc etc.
Doug |
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Sep 23 2007, 05:06 PM
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#4
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 Senior Member Group: Members Posts: 1670 Joined: 5-March 05 From: Boulder, CO Member No.: 184 |
Most of them to me do look like they may be caves, or at least very deep craters. They have less of a sunlit inner rim than adjacent "normal" cup/bowl shaped craters.
-------------------- Steve [ my home page and planetary maps page ]
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Sep 23 2007, 05:17 PM
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#5
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Founder Group: Chairman Posts: 14445 Joined: 8-February 04 Member No.: 1 |
They all look the same collapsed lava tube ceiling feature that we've found with Odyssey - I don't doubt that they're the same sort of feature.
Doug |
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Sep 23 2007, 05:41 PM
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#6
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Newbie Group: Members Posts: 7 Joined: 20-July 07 From: Grenoble, France Member No.: 2904 |
QUOTE (djellison @ Sep 23 2007, 05:31 PM)  You have to be carefull claiming that you 'discovered' them. Are some of these included in the Odyssey finding etc etc. Doug Maybe I've been a little pretentious. But I wonder why anyone else has never seen that before. However, I looked carefully at the Odyssey findings and none of these "caves" are listed. Thanks a lot for you comment ;-) |
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Sep 23 2007, 06:33 PM
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#7
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 Senior Member Group: Moderator Posts: 2785 Joined: 10-November 06 From: Pasadena, CA Member No.: 1345 |
Nice find.
Most seem to line up with collapsed areas that could presumably indicate lava tubes underneath. The one I find the most interesting is the first image. While there seems to be a collapsed tube nearby, the broader area around the hole (to my eyes) look like a broad circular depression (or is it raised? - hard to tell). Where are all these features located? Bien fait, dude: tu as trouvee des trous.  (Say that six times fast!)-Mike -------------------- Some higher resolution images available at my photostream: http://www.flickr.com/photos/31678681@N07/
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