The dynamical evolution of Saturn's E-ring

Details The dynamical evolution of Saturn's E-ring The dynamical evolution of Saturn's E-ring

Sep 1986

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1986em%26p...36...11h&link_type=abstract

Earth, Moon, and Planets (ISSN 0167-9295), vol. 36, Sept. 1986, p. 11-21.

Physics

5

Ejecta, Interplanetary Dust, Planetary Evolution, Saturn Rings, Enceladus, Radial Distribution, Space Plasmas, Steady State, Transport Properties

Scientific paper

The dynamical evolution of fine dust particles ejected from Enceladus and subsequently electrically charged within the Saturnian magnetosphere is studied. It is shown that the gyro-phase drift, which is radially outwards due to the strong radial temperature and density gradients in the magnetospheric plasma, is, by far, the fastest transport mechanism of these grains. Maintenance of the E-ring in a steady state throughout the age of the solar system would need a mass loss from Enceladus of about 2 parts in 1000.

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