Titan's topography, strange.... |
Titan's topography, strange.... |
Apr 12 2009, 12:44 PM
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Senior Member Group: Moderator Posts: 2785 Joined: 10-November 06 From: Pasadena, CA Member No.: 1345 |
Recent article in Science by Zebker et al.:
Zebker et al. Science in press, "Size and Shape of Saturn's Moon Titan". doi: 10.1126/science.1168905 (published online April 2, 2009) Link to abstract (pay-for article): http://www.sciencemag.org/cgi/content/abstract/1168905 Article on spaceref discusses this paper: http://www.spaceref.com/news/viewpr.html?pid=27912 Figure 3 from the Science article is a global elevation map relative to barycenter. Key points of article:
"Xanadu seems to be systematically lower than other parts of the equatorial belt, and not uplifted like most mountainous areas on Earth." (quote from Fig. 3 caption in article) -Mike -------------------- Some higher resolution images available at my photostream: http://www.flickr.com/photos/31678681@N07/
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Aug 25 2010, 02:02 AM
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Member Group: Members Posts: 708 Joined: 1-April 08 From: Minnesota ! Member No.: 4081 |
The recent http://photojournal.jpl.nasa.gov/target/Titan
Planetary Photojournal images of Titan’s mountains (PIA 13330) are fascinating although well known to UMSF members. I was especially struck by the mountains north of Aaru when I first looked at the T16 radar swath! http://pirlwww.lpl.arizona.edu/~perry/RADAR/#T16 Although photojournal images are well done I thought one might tweak the raws some more to get a better idea of what these landforms look like. Below are 3 views done in photoshop elements using the northern most portion of PIA 13330. The last 3D image was created with a nice shareware program T3D-2D to 3D Image Converter from Cherry Cola Studios using the geometric and parallel 20 weight and shift of 1 reverse depth cue settings. (you'll have to cross your eyes and stare at the middle image until its clear to see the 3D effect !) These mountains seem highly eroded by fluvial processes. Some of the eroding rivers are still prominent, draining into the radar smooth plain to the north. |
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