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Image courtesy of Graziella Branduardi-Raymont (MSSL, UCL) and ESA.
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About this Image
XMM-Newton RGS spectrum of Jupiter: line emission from both the aurorae
and the disk are clearly separated. The broad wings associated with the OVII and OVIII
lines indicate that the ions are moving at speeds of several thousands of kilometers per sec, as
expected from some of the models proposed recently to explain the acceleration mechanisms
acting in Jupiter's magnetosphere.
All in all, these XMM-Newton results on Jupiter give us more clues to try and understand
the complex magnetosphere of the giant planet, and its interactions with the solar wind
and solar activity. Analogies and differences with the Earth's magnetosphere can also be
Investigator(s): G. Branduardi-Raymont, A. Bhardwaj, R. F. Elsner, G. R. Gladstone, G. Ramsay, P. Rodriguez, R. Soria, J. H. Waite Jr., T. E. Cravens
Higher resolution versions of this image may be available, please contact the XMM-Newton HelpDesk.
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