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Definition of Halley's comet

Babylon English

large comet which completes an orbit around the sun every 76 years
Halley's comet Definition from Society & Culture Dictionaries & Glossaries
The Scotch Whisky by SDA v.4.20
The Official Halley's Comet "1985 1986", Blended Scotch Whisky

By: Douglas Laing & Co. Ltd. (Glasgow, Scotland)
Halley's comet Definition from Encyclopedia Dictionaries & Glossaries
Wikipedia English - The Free Encyclopedia
Halley's Comet or Comet Halley ( or ), officially designated 1P/Halley, is the best-known of the short-period comets and is visible from Earth every 75–76 years, Halley is the only short-period comet that is clearly visible to the naked eye from Earth, and the only naked-eye comet that might appear twice in a human lifetime. Other naked-eye comets may be brighter and more spectacular, but will appear only once in thousands of years. Halley last appeared in the inner Solar System in 1986 and will next appear in mid-2061.

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