A dynamical constraint on particulate sizes for Saturn's B ring spokes

Details A dynamical constraint on particulate sizes for Saturn's B ring spokes A dynamical constraint on particulate sizes for Saturn's B ring spokes

Mar 1987

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1987icar...69..575e&link_type=abstract

Icarus (ISSN 0019-1035), vol. 69, March 1987, p. 575-577.

Physics

4

Decay Rates, Particle Size Distribution, Particulates, Planetary Evolution, Saturn Rings, Spokes, Constraints, Radii, Solar Radiation, Ultraviolet Radiation, Saturn, Rings, Particles, Size, Spokes, B Ring, Time Scale, Evolution, Formation, Charged Particles, Decay, Dynamics, Ultraviolet, Emissions, Radius, Calculations, Hypotheses

Scientific paper

The exponential charge decay time for particulates constituting the spokes in Saturn's B ring is presently proposed as a dynamical time scale for their evolution. Mean particulate radius is determined to be 0.01 + or - 0.03 microns, on the basis of a consideration of solar UV photoemission as the charge decay mechanism which leads to the determination of a dynamical constraint that can be placed on the particulate sizes.

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