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T58 (July 8, 2009 / Rev 114) |
 Jul 2 2009, 02:07 PM
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 Senior Member  Group: Members Posts: 3516 Joined: 4-November 05 From: North Wales Member No.: 542  |
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Aug 7 2010, 05:46 PM
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 Senior Member Group: Moderator Posts: 3242 Joined: 11-February 04 From: Tucson, AZ Member No.: 23 |
Illumination is from below. So that is actually a depression, not a raised area. This feature is most likely a dried lakebed.
-------------------- &@^^!% Jim! I'm a geologist, not a physicist!
The Gish Bar Times - A Blog all about Jupiter's Moon Io |
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Aug 9 2010, 01:58 PM
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 Senior Member Group: Moderator Posts: 2785 Joined: 10-November 06 From: Pasadena, CA Member No.: 1345 |
QUOTE (volcanopele @ Aug 7 2010, 12:46 PM)  This feature is most likely a dried lakebed. ...with steep sides around the edges. However, that central darker spot in the largest bright area *might* be a slight depression infilled with different RADAR-reflecting properties. Damp muds, for example. -------------------- Some higher resolution images available at my photostream: http://www.flickr.com/photos/31678681@N07/
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Oct 2 2010, 04:44 PM
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 Senior Member Group: Members Posts: 3652 Joined: 1-October 05 From: Croatia Member No.: 523 |
A four-frame VIMS animation showing the evolution of the lake specular point:
Magnified 5x using nearest neighbor interpolation to show the actual specular point pixel size. It's only visible at 5 microns, the green (4.67 microns) and blue (3.26 microns) channels aren't in methane windows, they were chosen merely so they wouldn't be overexposed in the longer exposure cubes. -------------------- |
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Oct 2 2010, 07:32 PM
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 Senior Member Group: Members Posts: 2492 Joined: 15-January 05 From: center Italy Member No.: 150 |
Thanks for the movie, ugordan. This is an elaboration ot third frame, compared to original...
Attached thumbnail(s)
-------------------- I always think before posting! - Marco -
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ngunn T58 (July 8, 2009 / Rev 114) Jul 2 2009, 02:07 PM
Sunspot Ontario Lacus......... at last Jul 2 2009, 02:27 PM volcanopele The looking ahead article for Rev114 is now up:
h... Jul 3 2009, 01:30 AM nprev Glad to see that the ring propellers are getting m... Jul 3 2009, 01:47 AM Vultur 600 miles... that's close. I'm looking for... Jul 7 2009, 09:35 PM volcanopele The name propeller is a reference to the shape of ... Jul 7 2009, 10:19 PM
ugordan Another narrow-angle shot, very similar to this on... Jul 8 2009, 02:37 PM ngunn Just one from a real feast of new images:
http://... Jul 10 2009, 02:45 PM titanicrivers QUOTE (ngunn @ Jul 10 2009, 08:45 AM) A r... Jul 12 2009, 06:56 PM Decepticon Any sar news? Jul 10 2009, 04:31 PM volcanopele They likely JUST got the data this morning. Give ... Jul 10 2009, 06:58 PM Sunspot Are they likely to release the image when it's... Jul 15 2009, 02:32 PM Phil Stooke These things are unpredictable... sometimes it jus... Jul 15 2009, 04:14 PM Sunspot QUOTE (Phil Stooke @ Jul 15 2009, 05:14 P... Jul 28 2009, 11:29 PM titanicrivers Based on the most recent CHARM presentations http:... Jul 29 2009, 11:51 PM HughFromAlice QUOTE (titanicrivers @ Jul 30 2009, 09:21... Jul 30 2009, 04:14 AM titanicrivers [quote name='HughFromAlice' date='Jul ... Jul 30 2009, 07:29 AM HughFromAlice QUOTE (titanicrivers @ Jul 30 2009, 04:59... Jul 30 2009, 07:02 PM titanicrivers Greetings from Cassini !
Latest Postcard from ... Jul 31 2009, 07:08 AM Sunspot Interesting article from New Scientist :
Largest ... Aug 22 2009, 08:12 PM ngunn Sadly - or perhaps fortunately - Ontario is not th... Aug 22 2009, 10:26 PM nprev That's by far the most concise & to the po... Aug 22 2009, 11:23 PM Jason W Barnes QUOTE (nprev @ Aug 22 2009, 04:23 PM) Tha... Aug 23 2009, 11:30 AM titanicrivers Here's the pdf file of the abstract: Aug 23 2009, 03:41 AM Juramike So, with lower density rock (ice), less viscous fl... Aug 23 2009, 04:08 AM titanicrivers How much farther could you skip a rock on Titan?
... Aug 23 2009, 04:33 AM rlorenz QUOTE (titanicrivers @ Aug 22 2009, 11:33... Aug 23 2009, 06:34 PM nprev Hai, ah so ne!
Planetary wonk, publishes majo... Aug 23 2009, 04:40 PM titanicrivers The last Cassini web site Titan press image releas... Sep 13 2009, 07:24 AM peter59 T58 RADAR swath (with Ontario Lacus).
Aug 5 2010, 07:04 AM stevesliva Sweet! Nice deltas, and a neat volcanic-looki... Aug 5 2010, 07:11 AM peter59 T58 RADAR swath with Ontario Lacus and the surroun... Aug 5 2010, 08:02 AM sariondil Ontario Lacus @ 128 pixel per degree, or about 350... Aug 6 2010, 08:59 AM alan Interesting raised area with crater. Cryovolcanism... Aug 7 2010, 04:55 PM JohnVV optical illusions ,fun,fun,fun
the ones i "s... Aug 8 2010, 03:36 AM scalbers Nice animation Gordan. Would the evolution of the ... Oct 2 2010, 06:30 PM ugordan Pretty much lake extent only AIUI. The latest unde... Oct 2 2010, 07:16 PM Jason W Barnes QUOTE (scalbers @ Oct 2 2010, 11:30 AM) N... Oct 9 2010, 03:10 AM volcanopele QUOTE (Jason W Barnes @ Oct 8 2010, 08:10... Oct 9 2010, 04:23 AM Jason W Barnes QUOTE (volcanopele @ Oct 8 2010, 09:23 PM... Oct 9 2010, 04:40 AM ugordan Thanks for the paper, VIMS Jason. So, there's ... Oct 9 2010, 09:39 AM Jason W Barnes QUOTE (ugordan @ Oct 9 2010, 02:39 AM) Th... Oct 10 2010, 04:16 AM |
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