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This week's Featured Astronomy Image (Formerly Space - Astronomy Picture of the Day), shares preliminary science results which are already beginning to show a complex and fascinating planetary system, just shortly after the Cassini spacecraft entered Saturn orbit.

While Saturn's rings are almost exclusively composed of water ice, new findings show the Cassini Division contains relatively more "dirt" than ice. Further, the particles between the rings seem remarkably similar to the dark material that scientists saw on Saturn's moon, Phoebe.

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