Computer Science
Scientific paper
Jun 1989
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989natur.339..607s&link_type=abstract
Nature (ISSN 0028-0836), vol. 339, June 22, 1989, p. 607, 608.
Computer Science
13
Optical Thickness, Saturn Rings, Saturn Satellites, Density Distribution, Gravitational Effects, Three Body Problem, Ultraviolet Spectrometers, Saturn, Rings, Moonlets, Optical Properties, Depth, Satellites, B Ring, Size, Numerical Methods, Simulations, Gravity Effects, Voyager Missions, Density, Spacecraft Observations, Uvs Instrument
Scientific paper
The hypothesis that moonlets could exist within planetary rings and cause 'grooves' of low density in the adjacent ring material is reexamined by comparing numerical simulations of the gravitational influence of a moonlet on the radial density profile with occultation data collected by the Voyager ultraviolet spectrometer (UVS). The UVS optical-depth profile of Saturn's rings is inspected to identify features similar to those predicted theoretically, and the identifications are statistically analyzed to exclude the possibility of a chance origin. Six significant features in the radial optical-depth profile are found which could be caused by moonlets ranging in size between 7 km and 30 km, located mainly in the middle of the B-ring.
Spahn Frank
Sponholz H.
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