Rev 61 Enceladus (March 12 2008) |
Rev 61 Enceladus (March 12 2008) |
Mar 8 2008, 10:15 PM
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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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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, 04:45 PM
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Senior Member Group: Members Posts: 3652 Joined: 1-October 05 From: Croatia Member No.: 523 |
If I'm not mistaken, those two craters were apparent back in the Voyager imagery and led to various explanations like viscous relaxation of ice which (unlike other icy sats) seemed to be warmer and thus less rigid. Very few, if any of the craters on Enceladus have your typical crater-bowl-look seen on other worlds.
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