Cassini Dust Measurements at Enceladus and Implications for the Origin of the E Ring

Details Cassini Dust Measurements at Enceladus and Implications for the Origin of the E Ring Cassini Dust Measurements at Enceladus and Implications for the Origin of the E Ring

Mar 2006

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2006sci...311.1416s&link_type=abstract

Science, Volume 311, Issue 5766, pp. 1416-1418 (2006).

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Scientific paper

During Cassini's close flyby of Enceladus on 14 July 2005, the High Rate Detector of the Cosmic Dust Analyzer registered micron-sized dust particles enveloping this satellite. The dust impact rate peaked about 1 minute before the closest approach of the spacecraft to the moon. This asymmetric signature is consistent with a locally enhanced dust production in the south polar region of Enceladus. Other Cassini experiments revealed evidence for geophysical activities near Enceladus' south pole: a high surface temperature and a release of water gas. Production or release of dust particles related to these processes may provide the dominant source of Saturn's E ring.

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