Updated Titan Map |
Updated Titan Map |
Sep 9 2006, 09:46 PM
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#1
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Senior Member Group: Members Posts: 1887 Joined: 20-November 04 From: Iowa Member No.: 110 |
I'm looking for a recent map ot Titan. Steve Albers's page links to one done by Fridger Schrempp in April 2005. Cassini has done a dozen flybys since then. Does anyone know if an updated map has been released.
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Jun 22 2007, 03:15 PM
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#2
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Senior Member Group: Moderator Posts: 2785 Joined: 10-November 06 From: Pasadena, CA Member No.: 1345 |
1) Why is the equatorial belt so irregular in shape? Just chance variations in elevation? Elevation differences, yes. Chance? Maybe not. I suspect Xanadu might be playing a role. It might be acting like Tharsis bulge on Mars. Big cryovolcanic construct, big mass put on surface, gets drifted to equator. Why the Sand Seas are where they are on either side of Xanadu and in approximate line with the Equater is bugging me too. The pattern of Tharsis/Vallis Marineris on Mars and Xanadu/Fensal-Quivra-Azltan = "The Big H" on Titan is eerily similar. Also, since we haven't imaged all of Titan in really good detail, there could be other low-lying Sand Seas in temperate zones as well. (And what would a raised Sand Sea basin look like?) Mezzoramia might be one of these. 2) What constrains the desert belt to north and south? Or to put it another way, what's going on in the temperate zone in terrains that would be deserts if they were equatorial? A really good question! Is it elevation? Or is it methane rainfall? Or is it something else entirely? (Maybe the sand sea basins are "special" and the "normal" surface is like the temperate zones.) -Mike -------------------- Some higher resolution images available at my photostream: http://www.flickr.com/photos/31678681@N07/
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