It's the most famous of all comets, comet Halley.

它是所有彗星中最有名的哈雷彗星。

youdao

If the meteors originate in Comet Halley, why are they called the Orionids?

如果流星来源于哈雷彗星，那么为什么会叫猎户座流星群呢？

youdao

He studied the light curves of asteroids and thus their rotation, and also studied the variable star CZ Cassiopeiae, and the evolution of the orbit of Comet Halley.

张钰哲研究小行星的光变曲线和旋转、CZ仙后座变星以及哈雷彗星轨道的变化。

youdao

That would give it an orbital period of 341 years the longest yet measured and far longer than, for example, comet Halley, which goes around the sun in a sprightly 76 years.

ECONOMIST: Comet Ikeya-Zhang is enlivening the skies

Appropriately for someone who is best known for having discovered a comet, Halley used tiny comet-like marks to indicate wind direction, an idea that did not catch on.

ECONOMIST: Weather maps

In 1910, after weeks of being viewed through telescopes, Halley's Comet was reported visible to the naked eye in Curacao.

CNN: Friday,