Skywatch

  • April 9, 2009

    Episode 213: Saturn's Moonlets

    Download this episode

    Shownotes

    Saturn has a complex system of moons and rings. Scientists have thought that moons, or smaller bodies called "moonlets," have something to do with the formation of Saturn's rings. Recent images from NASA's Cassini spacecraft turned up a small moonlet in the G-ring of Saturn's system. The G-ring is a diffuse ring, nearly the last ring in the system. It contains a curious arc that is probably due to material crashing into the little moonlet embedded in it.