Halley's Comet 1985/86

Details Halley's Comet 1985/86 Halley's Comet 1985/86

Jan 1982

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1982s%26w....21...21r&link_type=abstract

Sterne und Weltraum, vol. 21, Jan. 1982, p. 21-24. In German.

Biology

Halley'S Comet, Interstellar Chemistry, Interstellar Matter, Meteoroid Showers, Solar Orbits, Protobiology, Solar System

Scientific paper

In early 1985, Halley's Comet will cross the orbit of Jupiter, and by the end of the year pass the asteroid belt, the planet Mars, finally achieving its perihelion on February 9, 1986. It will be most easily visible from the earth at 50 deg N in January and from April to May 1986. Compared to the sun and its planets, comets remain practically unchanged, providing, therefore, valuable information as to the origin of the solar system and the characteristics of the prebiological state of the earth; they also give information concerning the origin and characteristics of interstellar material as well as interstellar chemistry. Halley's Comet, appearing about every 76 years, is by far the brightest comet yet observed from earth. The comet's perihelion is 88 million km at a velocity of 55 km/sec; its apihelion is 5.3 billion km at a velocity of 1 km/sec. Twice a year, at the beginning of May and the end of October, it releases a meteor shower.

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