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。
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。
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?
The comet was named after the British scientist Edmond Halley, who did a variety of research on the record of giant fireball flying across the sky at the beginning of the 18th century.
这颗彗星是以英国科学家埃德蒙·哈雷的名字命名的。在18世纪初,哈雷研究了一些巨大的火球飞越天际的记录。
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。
Halley said that this comet traveled around the sun just like a planet did, and it took 76 years for the comet to circle the sun.
哈雷说,这颗彗星像行星一样,是围绕太阳运行的,它每绕太阳一圈大约需要76年。
Halley said that this comet traveled around the sun just like a planet did, and it took 76 years for the comet to circle the sun.
哈雷说,这颗彗星像行星一样,是围绕太阳运行的,它每绕太阳一圈大约需要76年。
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