Once we heard that the Halley Comet would fly back the next Saturday and was eager to observe it.

有一次我们听说哈雷彗星下一个星期六将飞回来，我急切地想看到它。

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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。

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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？

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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,

Though meteors from Halley's Comet can be seen at this time of year, he said it did not come from the comet.

BBC: Meteor spotted in night sky in England and Wales