• DOI:10.1126/SCIENCE.1138562
Corpus ID: 46011210

The Variable Rotation Period of the Inner Region of Saturn's Plasma Disk

@article{Gurnett2007TheVR,
  title={The Variable Rotation Period of the Inner Region of Saturn's Plasma Disk},
  author={D. Gurnett and A. Persoon and W. Kurth and J. Groene and T. Averkamp and M. Dougherty and D. Southwood},
  journal={Science},
  year={2007},
  volume={316},
  pages={442 - 445}
}

• D. Gurnett, A. Persoon, +4 authors D. Southwood
• Published 2007
• Physics, Medicine
• Science

We show that the plasma and magnetic fields in the inner region of Saturn's plasma disk rotate in synchronism with the time-variable modulation period of Saturn's kilometric radio emission. This relation suggests that the radio modulation has its origins in the inner region of the plasma disk, most likely from a centrifugally driven convective instability and an associated plasma outflow that slowly slips in phase relative to Saturn's internal rotation. The slippage rate is determined by the… Expand

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