Saturn’s Curiously Corrugated C Ring

Details Saturn’s Curiously Corrugated C Ring Saturn’s Curiously Corrugated C Ring

May 2011

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011sci...332..708h&link_type=abstract

Science, Volume 332, Issue 6030, pp. 708- (2011).

Physics

3

Scientific paper

In August 2009 the Sun illuminated Saturn’s rings from almost exactly edge-on, revealing a subtle corrugation that extends across the entire C ring. This corrugation’s amplitude is 2 to 20 meters and its wavelength is 30 to 80 kilometers. Radial trends in the corrugation’s wavelength indicate that this structure—like a similar corrugation previously identified in the D ring—results from differential nodal regression within a ring that became tilted relative to Saturn’s equator plane in 1983. We suggest that this initial tilt arose because interplanetary debris struck the rings. The corrugation’s radial extent implies that the impacting material was a dispersed cloud of debris instead of a single object, and the corrugation’s amplitude indicates that the debris’ total mass was ~1011 to 1013 kilograms.

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