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astro-ph2005★ 22 cited
Understanding the behavior of Prometheus and Pandora
Alison J. Farmer, Peter Goldreich
We revisit the dynamics of Prometheus and Pandora, two small moons flanking Saturn's F ring. Departures of their orbits from freely precessing ellipses result from mutual interacti…
astro-ph2005★ 27 cited
Spoke formation under moving plasma clouds
Alison J. Farmer, Peter Goldreich
Goertz and Morfill (1983) propose that spokes on Saturn's rings form under radially moving plasma clouds produced by meteoroid impacts. We demonstrate that the speed at which a pla…