Anti-planetward auroral electron beams at Saturn

J. Saur (), B. H. Mauk, D. G. Mitchell, N. Krupp, K. K. Khurana, S. Livi, S. M. Krimigis, P. T. Newell, D. J. Williams, P. C. Brandt, A. Lagg, E. Roussos and M. K. Dougherty
Additional contact information
J. Saur: Johns Hopkins University
B. H. Mauk: Johns Hopkins University
D. G. Mitchell: Johns Hopkins University
N. Krupp: Max-Planck-Institut für Sonnensystemforschung
K. K. Khurana: UCLA
S. Livi: Johns Hopkins University
S. M. Krimigis: Johns Hopkins University
P. T. Newell: Johns Hopkins University
D. J. Williams: Johns Hopkins University
P. C. Brandt: Johns Hopkins University
A. Lagg: Max-Planck-Institut für Sonnensystemforschung
E. Roussos: Max-Planck-Institut für Sonnensystemforschung
M. K. Dougherty: Imperial College

Nature, 2006, vol. 439, issue 7077, 699-702

Abstract: Back lighting The Cassini spacecraft in orbit around Saturn has observed electron beams accelerating away from the planet in regions that map to the locations of Saturn's aurora. The conventional model for aurora creation involves electron beams that accelerate towards a planet's surface. A similar phenomenon was recently observed on Earth, suggesting that electrons going the ‘wrong’ way are a general property of aurora, and that this characteristic needs to be incorporated into any full theory of aurora formation.

Date: 2006
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DOI: 10.1038/nature04401

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