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- Title
The formation of Jupiter's faint rings
- Authors
Burns JA; Showalter MR; Hamilton DP; Nicholson PD; de Pater I; Ockert-Bell ME; Thomas PC
- Abstract
Observations by the Galileo spacecraft and the Keck telescope showed that Jupiter's outermost (gossamer) ring is actually two rings circumscribed by the orbits of the small satellites Amalthea and Thebe. The gossamer rings' unique morphology-especially the rectangular end profiles at the satellite's orbit and the enhanced intensities along the top and bottom edges of the rings-can be explained by collisional ejecta lost from the inclined satellites. The ejecta evolves inward under Poynting-Robertson drag. This mechanism may also explain the origin of Jupiter's main ring and suggests that faint rings may accompany all small inner satellites of the other jovian planets.
- Publication
Science (New York, N.Y.), 1999, Vol 284, Issue 5417, p1146
- ISSN
1095-9203
- Publication type
Journal Article
- DOI
10.1126/science.284.5417.1146