Discovery of Jovian Dust Streams and Interstellar Grains by the Ulysses Spacecraft

Grun, E. and Zook, Harald and Baguhl, M. and Balogh, A. and Bame, S.J. and Fechtig, H. and Forsyth, R. and Hanner, M.S. and Horanyi, M. and Kissel, Jochen and Lindblad, B.A. and Linkert, D. and Linkert, G. and Mann, I. and McDonnell, J.A.M. and Morfill, G.E. and Phillips, J.L. and Polanskey, C. and Schwehm, G. and Siddique, N. and Staubach, P. and Svestka, J. and Taylor, A. (1993) Discovery of Jovian Dust Streams and Interstellar Grains by the Ulysses Spacecraft. Nature, 362 (6419). pp. 428-430. ISSN 0028-0836. (The full text of this publication is not currently available from this repository. You may be able to access a copy if URLs are provided)

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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-degrees to the ecliptic plane, which will ultimately lead Ulysses over the polar regions of the Sun1. Within 1 AU from Jupiter, the onboard dust detector2 recorded periodic bursts of submicrometre dust particles, with durations ranging from several hours to two days, and occurring at approximately monthly intervals (28 +/- 3 days). These particles arrived at Ulysses in collimated streams radiating from close to the line-of-sight direction to Jupiter, suggesting a jovian origin for the periodic bursts. Ulysses also detected a flux of micrometre-sized dust particles moving in high-velocity (greater-than-or-equal-to 26 km s-1) retrograde orbits (opposite to the motion of the planets); we identify these grains as being of interstellar origin.

Item Type: Article
Uncontrolled keywords: Cosmic Dust, Interstellar Matter, Jupiter (Planet), Planetary Composition, Spacecraft Orbits, Ulysses Mission, Interplanetary Dust, Particle Size Distribution; Jupiter, Dust, Spacecraft Observations, Ulysses Mission, Particles, Periodicity, Origin, Source, Flux, Size, Velocity, Orbits, Ejecta, Retrograde Motion, Interstellar Material, Magnetic Field, Comparisons, Charged Particles, Motion, Electromagnetic Effects, Orbital Elements, Solar Wind, Magnetosphere
Subjects: Q Science > QB Astronomy
T Technology > TL Motor vehicles. Aeronautics. Astronautics
Q Science > QC Physics
Divisions: Faculties > Science Technology and Medical Studies > School of Physical Sciences
Depositing User: M. Nasiriavanaki
Date Deposited: 01 Aug 2009 10:15
Last Modified: 11 Jul 2014 10:34
Resource URI: (The current URI for this page, for reference purposes)
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