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Polar Cap Region

Ulysses approaches Jupiter
(Credit: D. Hardy)

Because of its high-latitude trajectory, Ulysses was able to investigate the poleward extent of Jupiter's radiation belts. A surprising finding was that, even close in to the planet (approximately 9 Jupiter radii), Ulysses apparently made an excursion out of the radiation belts at relatively low magnetic latitudes (48°).

Last Update: 21 November 2006

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