Comet Halley | Published:

Neutral gas measurements of comet Halley from Vega 1

Naturevolume 321pages273274 (1986) | Download Citation

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Abstract

The neutral gas experiment (ING) aboard the Vega 1 spacecraft detected cometary gas within a distance of 60,000 km from the nucleus of comet Halley. A preliminary inspection of the data permits an analysis of the variation in neutral gas density. Fine structure was detected in the spatial distribution of lower-mass species.

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References

  1. 1

    Sagdeev, R. Z. et al. Venus-Halley Mission, 93–104 (Louis-Jean, Gap, 1985).

  2. 2

    Haser, L. Bull. Acad. r. Belg. Cl. Sci. 43, 740–750 (1957).

  3. 3

    Simpson, J. A. et al. Nature 321, 278–280 (1986).

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Author information

Affiliations

  1. Max-Planck-Institut für Aeronomie, PO Box 20, D-3411, Katlenburg-Lindau, FRG

    • E. Keppler
    • , W.-H. Ip
    • , A. K. Richter
    •  & G. Umlauft
  2. Space Research Institute, Profsoyuznaya 84/32, 117810, Moscow, USSR

    • V. V. Afonin
    •  & A. V. Dyachkov
  3. Department of Physics, University of Arizona, Tucson, Arizona, 85721, USA

    • C. C. Curtis
    • , C. Y. Fan
    •  & K. C. Hsieh
  4. Central Research Institute for Physics, PO Box 49, H-1525, Budapest, Hungary

    • J. Erö Jr
    •  & A. J. Somogyi
  5. Department of Planetary Sciences, University of Arizona, Tucson, Arizona, 85721, USA

    • D. M. Hunten

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https://doi.org/10.1038/321273a0

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