Comet Halley is currently approaching the inner solar system. Four spacecrafts (NASA's spacecraft, two Russian Vega probes and the Japanese MS-T5 spacecraft) have already been launched to encounter the comet in March 1986. Two additional Halley probes (the European Giotto spacecraft and another Japanese Planet-A probe) will be launched in mid-85 to join the armada. Observations of dust emissions from Halley's Comet are discussed. The evaporation of cometary ices causes the emission of particulates from the nucleus. These observations will be used to determine the fly-by strategy of the Giotto spacecraft by taking into account the distribution of dust in the vicinity of the nucleus and the associated hazard for the space mission.


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    Title :

    Dust emission of Comet Halley at large heliocentric distances


    Contributors:
    Gruen, E. (author) / Schwehm, G. (author) / Massonne, L. (author) / Fertig, J. (author) / Graser, U. (author)


    Publication date :

    1985-01-01


    Type of media :

    Conference paper


    Type of material :

    No indication


    Language :

    English


    Keywords :





    The potential of the dust grains of comet halley

    Lamy, P. / Lafon, J.-P.J. / Dumas, C. | Elsevier | 1993