Hal|ley's comet

Hal|ley's comet
Hal|ley's comet «HAL eez, HAYL»,
the comet that Halley predicted could be seen about every 77 years. Its last return was in 1986.
[< Edmond or Edmund Halley, 1656-1742, an English astronomer]

Useful english dictionary. 2012.

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  • Halley's comet — Hal′ley s com′et [[t]ˈhæl iz[/t]] or, often, [[t]ˈheɪ liz[/t]] n. astron. a comet with a period averaging 76 years: most recently visible in 1986 • Etymology: after Edmund Halley, who first predicted its return pron: The common pronunciation for… …   From formal English to slang

  • Halley's comet — Hal|ley s com|et a ↑comet (=an object in space like a bright ball with a long tail) that moves around the Sun and passes close to the Earth every 76 years. It was named after the English ↑astronomer Edmund Halley (1656 1742), and it last appeared …   Dictionary of contemporary English

  • Halley'scomet — Hal·ley s comet (hălʹēz, hāʹlēz) PhotoDisc, Inc. n. A comet with a period of approximately 76 years. The first comet for which a return was successfully predicted, it last appeared in 1986.   [After Halley, Edmund.] * * * …   Universalium

  • Halley,Edmund — Hal·ley (hălʹē), Edmund or Edmond 1656 1742. English astronomer who applied Newton s laws of motion to predict correctly the period of a comet (1705). * * * …   Universalium

  • Stars and planetary systems in fiction — The planetary systems of stars other than the Sun and the Solar System are a staple element in much science fiction. Contents 1 Overview 1.1 The brightest stars …   Wikipedia

  • List of Ace single volumes — Ace Books began publishing genre fiction in 1952. Initially these were mostly in the attractive dos à dos format, but they also published a few single volumes, in the early years, and that number grew until the doubles stopped appearing in about… …   Wikipedia

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