Abstract Dust-impact PUMA mass-analysers aboard the spacecrafts VEGA-1 and VEGA-2 allow to conduct the first direct measurements of mass-spectra of comet Halley's dust envelope particles with masses higher than 10−17g /1,2/. The analysis of spectra measured by the PUMA instruments showed that unindentified peaks in this spectra could be associated with very small particles (mass 10−17- 10−20g). Detection of small-size particles in the dust envelope of comet Halley agrees with the idea /3/ that the comet's nucleus is an interstellar dust aggregate which contains very small particles.


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    Titel :

    Small-size dust particles near Halley's comet


    Beteiligte:
    Sagdeev, R.Z. (Autor:in) / Evlanov, E.N. (Autor:in) / Fomenkova, M.N. (Autor:in) / Prilutskii, O.F. (Autor:in) / Zubkov, B.V. (Autor:in)

    Erschienen in:

    Erscheinungsdatum :

    01.01.1989


    Format / Umfang :

    5 pages




    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch



    Halley's Comet in history

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    Space Missions to Halley's Comet

    R. Reinhard / B. Battrick / E. Rolfe | NTIS | 1986


    Thermal modeling of Halley's Comet

    Weissman, P. R. / Kieffer, H. H. | NTRS | 1984


    Thermal modeling of Halley's comet

    Weissman, Paul R. / Kieffer, Hugh H. | Elsevier | 1984