Radio Wave Emission from the Outer Planets Before Cassini |
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Authors: | P Zarka W S Kurth |
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Institution: | (1) LESIA, Observatoire de Paris, 92195 Meudon, France;(2) Dept. of Physics and Astronomy, The University of Iowa, Iowa City, IA 52242-1479, USA;(3) Département de Recherche Spatiale, Observatoire de Paris, Batiment 16, 5, place Jules Janssen, F-92195 Meudon Cedex, France |
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Abstract: | We review observations and theories of radio wave emissions from the outer planets. These include radio emissions from the
auroral regions and from the radiation belts, low-frequency electromagnetic emissions, and atmospheric lightning. For each
of these emissions, we present in more details our knowledge of the Saturn counterpart, as well as expectations for Cassini.
We summarize the capabilities of the radio instrument onboard Cassini, observations performed during the Jupiter flyby, and
first (remote) observations of Saturn. Open questions are listed along with the specific observations that may bring responses
to them. The coordinated observations (from the ground and from space) that would be valuable to perform in parallel to Cassini
measurements are briefly discussed. Finally, we outline future missions and perspectives. |
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Keywords: | radio wave emission giant planets |
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