On the formation of sodium bearing E ring ice grains on Enceladus.

Details On the formation of sodium bearing E ring ice grains on Enceladus. On the formation of sodium bearing E ring ice grains on Enceladus.

Dec 2008

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2008agufm.p23b1371s&link_type=abstract

American Geophysical Union, Fall Meeting 2008, abstract #P23B-1371

Physics

0738 Ice (1863), 6213 Dust, 6265 Planetary Rings, 6280 Saturnian Satellites

Scientific paper

Small but significant concentrations of sodium have been detected by the Cassini CDA in mass spectra of E ring ice grains. Since Enceladus' plume is the dominant source of the E ring, this sodium must come from the interior of Enceladus. This is consistent with a plume originating from a liquid reservoir that has been, or is, in contact with the rocky core of the satellite, since in this case the liquid is expected to be enriched in minerals (Zolotov, GRL, 2007). However, the physical processes how these minerals find their way into the ice grains of Enceladus' plume are less clear. In this talk we discuss possible scenarios and relate them to the concentrations found in CDA data.

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