• DOI:10.1126/SCIENCE.1105606
Corpus ID: 19586373

Ultraviolet Imaging Spectroscopy Shows an Active Saturnian System

@article{Esposito2005UltravioletIS,
  title={Ultraviolet Imaging Spectroscopy Shows an Active Saturnian System},
  author={L. Esposito and J. Colwell and K. Larsen and W. McClintock and A. I. Stewart and J. T. Hallett and D. Shemansky and J. Ajello and C. Hansen and A. Hendrix and R. West and H. Keller and A. Korth and W. R. Pryor and R. Reulke and Y. Yung},
  journal={Science},
  year={2005},
  volume={307},
  pages={1251 - 1255}
}

L. Esposito, J. Colwell, +13 authors Y. Yung

Published 2005

Physics, Medicine

Science

Neutral oxygen in the saturnian system shows variability, and the total number of oxygen atoms peaks at 4 × 1034. Saturn's aurora brightens in response to solar-wind forcing, and the auroral spectrum resembles Jupiter's. Phoebe's surface shows variable water-ice content, and the data indicate it originated in the outer solar system. Saturn's rings also show variable water abundance, with the purest ice in the outermost A ring. This radial variation is consistent with initially pure water ice… CONTINUE READING

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