Halley's Comet

专有名词
中文释义

英文释义

专有名词
  1. A great comet which can be seen from Earth every 75–76 years.
    — In the London papers of May 3 we have the following accounts […] It had a short broad tail in a direction opposite the sun ; as Dr Halley's comet ought to have ; being much foreshortened […]

词形变化

Halley's comet alternative

词源

Circa 1758. Named after English astronomer Edmond Halley, who first computed its orbit and established its periodicity. Halley predicted the return of the comet (then last seen in 1682) in 1705; when it did return in late 1758, it quickly acquired this name.
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