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Dust in Planetary Ring Systems

Published online by Cambridge University Press:  12 April 2016

Mark R. Showalter
Mark R. Showalter*
Affiliation:
Center for Radar AstronomyStanford UniversityStanford, CA 94305U.S.A.

Abstract

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Each of the outer gas giants Jupiter, Saturn, Uranus and Neptune is now known to be encircled by a system of rings. Some of these, such as the A, B, and C rings of Saturn and the nine narrow Uranian rings, are rather optically thick and are composed primarily of large bodies (1 cm to 10 m). However, every other system has been found to contain a large population of micron-sized dust. Such rings reveal the effects of a variety of physical processes that are also acting on interplanetary and interstellar grains. When such rings are examined as members of a general class, recurring patterns begin to emerge.

Type
Circumplanetary Dust: Collisional and Electrostatic Processes
Information
International Astronomical Union Colloquium , Volume 126: Origin and Evolution of Interplanetary Dust , 1991 , pp. 349 - 356
Copyright
Copyright © Kluwer 1991

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