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The Iapetus Ridge, decayed ring hypothesis revisited
ngunn
post Dec 14 2010, 09:26 AM
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Well well! A ring is back in the reckoning, and this time originating from the breakup of a former sub-satellite. (I'm sure I've seen that somewhere before wink.gif )

http://www.spacedaily.com/reports/How_Iape..._Ridge_999.html

EDIT: How did I miss this abstract? http://www.agu.org/cgi-bin/SFgate/SFgate?l...fm10%2ffm10.txt

EDIT: Link back to the earlier thread kicked off by the original Wing Ip paper: http://www.unmannedspaceflight.com/index.php?showtopic=3122
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tasp
post Dec 14 2010, 06:56 PM
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If those 'serious simulations' show ring edge warping at Iapetus from the distant Saturn, due to the Iapetan orbital inclination, then Joseph Burns' ideas and predictions about ring warping (born out already at Neptune) would neatly explain the short diverging attendant ridges. Check out the Planetary Rings chapter in The New Solar System. (I haven't seen the new edition, hope it is still included!)

Exciting times we live in!

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