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Planetary science

Sodium at Io

It has been known for some years that Jupiter's satellite Io has sodium as a component of its atmosphere. The source, it now seems, is sodium chloride emitted by volcanoes on Io's surface.

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Figure 1: Images of Io.



  1. Lellouch, E., Paubert, G., Moses, J. I., Schneider, N. M. & Strobel, D. F. Nature 421, 45–47 (2003).

    Article  ADS  CAS  Google Scholar 

  2. Brown, R. A., Pilcher, C. B. & Strobel, D. F. in Physics of the Jovian Magnetosphere (ed. Dessler, A. J.) 197–225 (Cambridge Univ. Press, 1983).

    Book  Google Scholar 

  3. Spencer, J. R. & Schneider, N. M. Annu. Rev. Earth Planet. Sci. 24, 125–190 (1966).

    Article  ADS  Google Scholar 

  4. Küppers, M. & Schneider, N. M. Geophys. Res. Lett. 27, 513–516 (2000).

    Article  ADS  Google Scholar 

  5. Feldman, P. D. et al. Astrophys. J. 554, L123–L126 (2001).

    Article  ADS  CAS  Google Scholar 

  6. Fegley, B. Jr & Zolotov, M. Yu. Icarus 148, 193–210 (2000).

    Article  ADS  CAS  Google Scholar 

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Correspondence to Donald M. Hunten.

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Hunten, D. Sodium at Io. Nature 421, 30–31 (2003).

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