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Giotto's mission to planet earthThe Giotto spacecraft was reactivated in February 1990 and performed the first-ever earth gravity-assisted maneuver on July 2, 1990 to be retargeted for Comet P/Grigg-Skjellerup. This swing-by is of unique scientific interest due to Giotto's hyperbolic, high-inclination orbit. This paper reports on scientific results of the Giotto magnetic field experiment. Due to the high fly-by velocity and the relative quietness of the magnetosphere during the swing-by period, these measurements present a snapshot view of the earth magnetosphere with clearly identified inbound and outbound bow shock and magnetopause crossings. The outbound crossings are of particular interest as surface waves at the polar magnetopause at a distance of 28 earth radii as well as a strong quasi-perpendicular bow shock at a distance of about 64 earth radii are observed.
Document ID
Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
Glassmeier, K.-H.
(Cologne Univ. Germany)
Neubauer, F. M.
(Cologne Univ. Germany)
Brach, G.
(Cologne Univ. Germany)
Marshall, H.
(Koeln, Universitaet Cologne, Federal Republic of Germany, United States)
Acuna, M. H.
(Cologne Univ. Germany)
Burlaga, L. F.
(NASA Goddard Space Flight Center Greenbelt, MD, United States)
Mariani, F.
(Roma II, Universita Rome, Italy)
Musmann, G.
(Braunschweig, Technische Universitaet Brunswick, Federal Republic of Germany, United States)
Ness, N. F.
(Bartol Research Foundation Newark, DE, United States)
Wallis, M. K.
(University College Cardiff, United Kingdom)
Date Acquired
August 14, 2013
Publication Date
September 1, 1991
Publication Information
Publication: Geophysical Research Letters
Volume: 18
ISSN: 0094-8276
Subject Category
Accession Number
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