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How Prometheus creates structure in Saturn's F ring

Author

Listed:
  • Carl D. Murray

    (University of London)

  • Carlos Chavez

    (University of London)

  • Kevin Beurle

    (University of London)

  • Nick Cooper

    (University of London)

  • Michael W. Evans

    (University of London)

  • Joseph A. Burns

    (Cornell University, Space Sciences Building)

  • Carolyn C. Porco

    (Space Science Institute)

Abstract

Holding the ring The rings around Jupiter, Saturn, Uranus and Neptune are stabilized by small ‘shepherd moons’ that orbit in or near the rings and stabilize them by gravitational influences. The narrow F-ring of Saturn is tended by two shepherds, Prometheus and Pandora. Images of Saturn's F ring from the Cassini spacecraft have revealed structures never before seen in a planetary ring. The perturbing effect of Prometheus, the inner shepherding satellite, opens up channels through the F ring and forms a stream of particles (a ‘streamer’) linking the ring to the satellite.

Suggested Citation

  • Carl D. Murray & Carlos Chavez & Kevin Beurle & Nick Cooper & Michael W. Evans & Joseph A. Burns & Carolyn C. Porco, 2005. "How Prometheus creates structure in Saturn's F ring," Nature, Nature, vol. 437(7063), pages 1326-1329, October.
    • Handle: RePEc:nat:nature:v:437:y:2005:i:7063:d:10.1038_nature04212
    DOI: 10.1038/nature04212
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