The natural history of Halley's comet

Details The natural history of Halley's comet The natural history of Halley's comet

Jul 1981

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1981jbis...34..267m&link_type=abstract

British Interplanetary Society, Journal (Space Chronicle), vol. 34, July 1981, p. 267-280.

Physics

Chemical Composition, Comet Nuclei, Halley'S Comet, Solar Orbits, Evolution (Development), Galilean Satellites, Space Exploration, Space Missions

Scientific paper

The 1986 apparition of Halley's comet will be the subject of numerous space probes, planned to determine the chemical nature and physical structure of comet nuclei, atmospheres, and ionospheres, as well as comet tails. The problems of cometary origin remain inconclusive, with theories ranging from a purely interstellar origin to their being ejecta from the Galilean satellites of Jupiter. Comets can be grouped into one of two classes, depending on their periodicity, and statistical mechanics of the entire Jovian family of comets can be examined under the equilibrium hypothesis. Comet anatomy estimations have been determined, and there is speculation that comet chemistry may have been a factor in the origin of life on earth. Halley's comet was first noted using Newton's dynamical methods, and Brady (1972) attempted to use the comet as a gravitational probe in search of a trans-Plutonian planet. Halley's orbit is calculated by combination of ancient observations and modern scientific methods.

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