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Discovery of Jovian dust streams and interstellar grains by the Ulysses spacecraft

Forsyth, R.; Balogh, A.; Bame, S. J. +20 more

ON 8 February 1992, the Ulysses spacecraft flew by Jupiter at a distance of 5.4 AU from the Sun. During the encounter, the spacecraft was deflected into a new orbit, inclined at about 80^° to the ecliptic plane, which will ultimately lead Ulysses over the polar regions of the Sun¹. Within 1 AU from Jupiter, the onboard dust de…

Mechanism for the acceleration and ejection of dust grains from Jupiter's magnetosphere

Horanyi, M.; Grun, E.; Morfill, G.

PERHAPS the most unexpected finding of the Ulysses mission so far has been the detection of quasi-periodic streams of high-velocity, submicrometre-sized dust particles during the spacecraft's encounter with Jupiter¹. The impact geometry clearly shows that these small grains originate in the jovian system, but it is surprising that any d…

Ejection of dust from Jupiter's gossamer ring

Hamilton, Douglas P.; Burns, Joseph A.

ONE of the most intriguing discoveries of the Ulysses mission so far has been the detection of periodic, collimated streams of high-velocity, submicrometre-sized dust particles emanating from Jupiter^1,2. To explain the Ulysses data, Horanyi et al. showed³ that electromagnetic forces within Jupiter's magnetosphere can accelera…