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Monte Carlo modeling of neutral gas and dust in the coma of Comet 1P/Halley

Hansen, Kenneth C.; Gombosi, Tamas I.; Combi, Michael R. +4 more

The neutral gas environment of a comet is largely influenced by dissociation of parent molecules created at the surface of the comet and collisions of all the involved species. We compare the results from a kinetic model of the neutral cometary environment with measurements from the Neutral Mass Spectrometer and the Dust Impact Detection System on…