Abstract The Voyager mission has provided our first set of plasma wave observations from the magnetospheres of the large, gaseous planets in the outer solar system. We now have at our disposal the information required to do a reasonable job of comparing microphysical processes responsible for the plasma waves in the diverse regions provided by the outer planet magnetospheres and their terrestrial counterpart. Jupiter provides the most active example, in several ways, including having the greatest internal power and plasma sources and the very interesting binary system formed with Io. Saturn provides a more quiescent environment and the atypical nearly-aligned magnetic field. Uranus and Neptune are examples of oblique rotators with large magnetic field tilts and offsets. In the case of Neptune, we have observed for the first time the effects of having the magnetic field nearly pole-on the sun. Yet in each of these settings there is a surprising level of similarity across the plasma wave spectra. In this early comparison we concentrate on the relative importance of pitch-angle scattering by whistler-mode hiss and chorus and by electron cyclotron harmonic waves in each of these magnetospheres.


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    Titel :

    Comparative observations of plasma waves at the outer planets


    Beteiligte:
    Kurth, W.S. (Autor:in)

    Erschienen in:

    Erscheinungsdatum :

    1992-01-01


    Format / Umfang :

    8 pages




    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch