Astronomy and Astrophysics – Astronomy
Scientific paper
Dec 1980
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1980natur.288..439c&link_type=abstract
Nature, vol. 288, Dec. 4, 1980, p. 439-442. Research supported by the Science Research Council;
Astronomy and Astrophysics
Astronomy
11
Astronomical Photometry, Fine Structure, Saturn Rings, Spaceborne Photography, Voyager Project, Backscattering, Forward Scattering, High Resolution, Image Resolution, Resonance, Saturn, Voyager 1, Photographs, Data, Resonance, Satellites, Rings, Features, Photometry, Structure, Divisions, Analysis, Encke Division, Cassini Division, Brightness, Interactions, Dynamics, Particles, Optical Properties, Density, A Ring, B Ring, C Ring
Scientific paper
Voyager 1 imaging data of the Saturn rings, taken at a resolution of 1000 km/line pair between September 3 and October 13, 1980 are discussed. It is pointed out that as the spacecraft approached Saturn, finer radial structure in the rings between and within the major divisions became apparent, together with extensive azimuthal structure in the B ring. It is shown that the fine structure observed in the rings cannot, for the most part, be attributed to classical resonances with the known inner satellites. Preliminary model calculations of ring brightness based on photometry data indicate that the particles of the A and B rings are characterized by a greater degree of diffuse backscattering ability than previously suspected, behaving like Lambert spheres, while those of the C ring are either darker or more highly forward scattering than the A or B ring particles.
Collins Stewart A.
Cook Allan F.
Cuzzi Jeff N.
Danielson Edward G.
Hunt Garry E.
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