Sharp edges of planetary rings

@article{Borderies1982SharpEO,
  title={Sharp edges of planetary rings},
  author={N. Borderies and P. Goldreich and S. Tremaine},
  journal={Nature},
  year={1982},
  volume={299},
  pages={209-211}
}
  • N. Borderies, P. Goldreich, S. Tremaine
  • Published 1982
  • Physics
  • Nature
  • The ring systems of Saturn and Uranus exhibit several sharp edges across which the optical depth drops from order unity to essentially zero. At least two and perhaps all of these features are associated with the location of orbital resonances between a satellite and the ring particles. It is remarkable that the optical depth varies on a distance scale which is much finer than that over which angular momentum can be transferred between a satellite and the ring material. The important features of… CONTINUE READING
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