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VIMS observes bright streaks, Mountains perhaps? |
 Dec 12 2006, 06:30 PM
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 Senior Member  Group: Members Posts: 3516 Joined: 4-November 05 From: North Wales Member No.: 542  |
Mountains on Titan - news via jupiter list:
http://tech.groups.yahoo.com/group/jupiter_list/message/7565 Edit: Shouldn't be in T21 thread - don't know how to move it though. |
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Dec 14 2006, 12:09 PM
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Rover Driver Group: Members Posts: 1015 Joined: 4-March 04 Member No.: 47 |
If you don't know or can't derive the topography, you can't distinguish between shading and mere dark spots on a flat surface at any one instance- I think. It would be interesting to see the terrain at various local times and see if there's movement (shadows). Or for radar, different incident angles.
I think it looks strange (I am a complete layman in geology so maybe it's not strange at all!): It looks kind of like a mountain, but then there doesn't seem to be any correlation with the dark-light pattern of the 'continents'. I would expect the appearance to correlate with altitude, but that doesn't need to be the case of course. So it looks to me, layman, that either the 'mountains' are streaks that are laid on top of the 'continents' (so no real mountains, or that 'continents' are deposited from the atmosphere on top of real topography (the mountains). But then you would expect the 'continents' to be changing, which they are not. hmmmm Anyway, enough rambling from me |
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ngunn VIMS observes bright streaks Dec 12 2006, 06:30 PM
volcanopele Massive Mountain Range Imaged on Saturn's Moon... Dec 12 2006, 06:41 PM
ngunn QUOTE (volcanopele @ Dec 12 2006, 06:41 P... Dec 12 2006, 08:45 PM
volcanopele They could be mountain ranges, but I question that... Dec 12 2006, 08:48 PM ngunn QUOTE (volcanopele @ Dec 12 2006, 08:48 P... Dec 12 2006, 09:09 PM helvick QUOTE (volcanopele @ Dec 12 2006, 08:48 P... Dec 12 2006, 09:17 PM JTN QUOTE (volcanopele @ Dec 12 2006, 06:41 P... Dec 12 2006, 10:47 PM alan I've been looking forward to seeing something ... Dec 12 2006, 07:32 PM ugordan QUOTE (alan @ Dec 12 2006, 08:32 PM) what... Dec 12 2006, 07:34 PM AlexBlackwell QUOTE (ugordan @ Dec 12 2006, 09:34 AM) W... Dec 12 2006, 07:36 PM volcanopele QUOTE (alan @ Dec 12 2006, 12:32 PM) volc... Dec 12 2006, 07:40 PM Jason W Barnes I guess I shouldn't be surprised to find that ... Dec 13 2006, 03:29 AM Jason W Barnes Aha -- you have to go into the 'full-res' ... Dec 13 2006, 03:46 AM ngunn Thanks Jason B. Can you (or anyone) answer the que... Dec 13 2006, 10:45 AM Jason W Barnes QUOTE (ngunn @ Dec 13 2006, 03:45 AM) Tha... Dec 14 2006, 03:16 AM ngunn QUOTE (Jason W Barnes @ Dec 14 2006, 03:1... Dec 14 2006, 10:18 AM Matt I hope this is correct about the taller mountains,... Dec 14 2006, 01:41 AM ugordan Jason W. -- have any successful attempts at deduci... Dec 14 2006, 01:35 PM ngunn QUOTE (remcook @ Dec 14 2006, 12:09 PM) e... Dec 14 2006, 03:11 PM volcanopele remcook hit the nail on the head, I'm unconvin... Dec 14 2006, 04:21 PM ngunn Just noticed Emily has a nice 26 Dec. update on th... Dec 27 2006, 04:00 PM |
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