A new instability of Saturn's ring

Details A new instability of Saturn's ring A new instability of Saturn's ring

May 1988

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1988icar...74..325g&link_type=abstract

Icarus (ISSN 0019-1035), vol. 74, May 1988, p. 325-330.

Statistics

Computation

22

Angular Momentum, Interplanetary Dust, Planetary Ionospheres, Planetary Magnetic Fields, Planetary Mass, Saturn Rings, Computational Astrophysics, Perturbation Theory, Saturn, Rings, Stability, Perturbations, Dust, Particles, Density, Mass, Resonance, Distance, Wavelengths, Charged Particles, Ringlets, Models, Diagrams, Calculations, B Ring, Structure

Scientific paper

Perturbations in the Saturn ring's mass density are noted to be prone to instabilities through the sporadic elevation of submicron-size dust particles above the rings, which furnishes an effective angular momentum exchange between the rings and Saturn. The dust thus elevated from the ring settles back onto it at a different radial distance. The range of wavelength instability is determinable in light of the dust charge, the average radial displacement of the dust, and the fluctuation of these quantities. It is suggested that at least some of the B-ring's ringlets may arise from the instability.

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