Chemical and phase composition of Enceladus: Insights from Cassini data

Details Chemical and phase composition of Enceladus: Insights from Cassini data Chemical and phase composition of Enceladus: Insights from Cassini data

Oct 2011

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011epsc.conf.1330z&link_type=abstract

EPSC-DPS Joint Meeting 2011, held 2-7 October 2011 in Nantes, France. http://meetings.copernicus.org/epsc-dps2011, p.1330

Computer Science

Scientific paper

Compositional information obtained with Cassini instruments during Enceladus and Saturn's E ring flybys is used to constrain chemical and phase (minerals, ices, clathrates, organics, liquids) composition of the moon's interior. The Enceladus' plume emits cometary-type (NH3, HCN, CH4) likely primordial gases together with aqueously formed species (Na salts, silica and H2). This could indicate aqueous-assistant differentiation of the comet-like moon with preservation of some primordial icy materials. Although the compositional data do not provide unequivocal evidence for a present liquid water reservoir that supply plume components, aqueous sources are possible.

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