"Dynamics and Structure of Planetary Rings"

This document reports on the research carried out under this grant for the funding period ending December 31, 2004. During this period, we concentrated our efforts on acquiring and interpreting observations of Saturn's rings and small satellites, using Hubble Space Telescope observations, Arecibo radar results, and Earth-based stellar occultations. A total of ll peer reviewed papers and 27 meeting abstracts were published during this period. We highlight these accomplishments.