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The Rings of Saturn and Uranus

Published online by Cambridge University Press:  14 August 2015

Peter Goldreich
Peter Goldreich*
Affiliation:
California Institute of Technology

Extract

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Nature has presented us with two systems of planetary rings. They are not at all similar. Saturn has bright, broad rings separated by narrow gaps. The rings of Uranus are dark, narrow and widely spaced. Presumably both sets of rings lie inside the Roche limit and this is why the ring material has not condensed into satellites.

Type
Part IV: Satellites and Rings
Information
Symposium - International Astronomical Union , Volume 81: Dynamics of the Solar System , 1979 , pp. 191 - 196
Copyright
Copyright © Reidel 1979 

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