The CRRES satellite was a dual-mission spacecraft to perform active experiments in the Earth's magnetosphere and ionosphere and to study the natural space environment and its effects on spacecraft electronics. The NASA chemical-release mission experiments were motivated by the need to address scientific questions in the areas of coupling between the ionosphere and magnetosphere, response of the magnetosphere system to injections of artificial ion clouds, and instabilities and structuring of the ionosphere in response to perturbations. The initial science results from the chemical-release experiments performed to date are (1) demonstration of critical velocity ionization over a narrow range of parameter space; (2) production of diamagnetic cavities by barium and lithium releases over a wide range of parameters; (3) demonstration of the chemical-release technique to study magnetosphere-ionosphere coupling; (4) modification of energetic electron distribution functions with barium injections; (5) stimulation of magnetospheric waves with barium injections; and (6) possible inducement of enhanced auroral activity.


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    Titel :

    Chemical-release mission of CRRES


    Beteiligte:

    Erschienen in:

    Erscheinungsdatum :

    1992-08-01



    Medientyp :

    Sonstige


    Format :

    Keine Angabe


    Sprache :

    Englisch


    Schlagwörter :