PerspectivePlanetary Science

Our Local Astrophysical Laboratory

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Science  23 Jun 2006:
Vol. 312, Issue 5781, pp. 1753-1755
DOI: 10.1126/science.1114856

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Summary

The behavior of the orbiting bodies within Saturn's rings, now being closely observed by the Cassini spacecraft, can inform our understanding of the birth of extrasolar planets.