Rev 61 Enceladus (March 12 2008) |
Rev 61 Enceladus (March 12 2008) |
Mar 8 2008, 10:15 PM
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#1
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Member Group: Members Posts: 544 Joined: 17-November 05 From: Oklahoma Member No.: 557 |
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Mar 13 2008, 04:40 PM
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#2
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Member Group: Members Posts: 402 Joined: 5-January 07 From: Manchester England Member No.: 1563 |
QUOTE Weird... re-frozen cryo-volcanoes..? The crater to the upper left of the two marked seems to have something similar. It'll be interesting to see how many craters have this effect, and if its in anyway related to size.The image that pops into my head is a large impact producing a temporary lake of liquid water underneath it, which powers cryovolcanism. -------------------- |
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Mar 13 2008, 04:46 PM
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Senior Member Group: Moderator Posts: 2785 Joined: 10-November 06 From: Pasadena, CA Member No.: 1345 |
The crater to the upper left of the two marked seems to have something similar. It'll be interesting to see how many craters have this effect, and if its in anyway related to size.The image that pops into my head is a large impact producing a temporary lake of liquid water underneath it, which powers cryovolcanism. Or it punches through to a liquid layer and the open throat is the source for upwelling. Just like the Evil eye of W Quivira or Coats Facula on Titan? I can't wait to measure the ratio of inner diameter vs. rim diameter. It looks pretty similar. -Mike -------------------- Some higher resolution images available at my photostream: http://www.flickr.com/photos/31678681@N07/
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