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
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Keppler, E., Afonin, V., Curtis, C. et al. Neutral gas measurements of comet Halley from Vega 1. Nature 321 (Suppl 6067), 273–274 (1986). https://doi.org/10.1038/321273a0
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DOI: https://doi.org/10.1038/321273a0
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