It is of much interest that comet Halley showed very long and straight main tail (tail streamer) at larger heliocentric distance.
哈雷彗星在日彗距较大时出现长而直的主彗尾（尾流）；这是很有趣的。
Halley's comet visits the Earth once in 76 years.
哈雷彗星每七十六年经过地球一次。
A Preliminary Discussion of the Relationship between the Return of Halley Comet and Great Earth quake Occurrences
哈雷彗星接近地球与大地震关系的初步探讨
STUDY OF OBSERVING PROPERTIES OF OH SOURCES IN HALLEYS COMET AND LATE-TYPE STAR SYSTEMS
哈雷彗星和晚型星系统内羟基源观测特性的探讨
In the 2,100 years (221BC-1911) from the Qin Dynasty to the late Qing Dynasty, the 27 appearances of Halley's comet were all recorded in China.
从秦代到清末的二千一百多年间，哈雷彗星出现２７次，中国都有记录。
For example, every reappearance of Halley's comet in its 76-year cycle is recorded in the Chinese texts right back to 87 BC and possibly even further back than that.
比如，早在公元前87年甚至更早的书籍中，就有关于周期为了6年的哈雷彗星每次出现的记载。
1656 Edmond Halley, English astronomer and mathematician, renowned for studies of comets, was born in London.
以研究彗星称著的英国天文学家、数学家埃德蒙·哈雷生于伦敦。
comet of Neptune family
海(王)族彗(星)
" Hamler" is coming on next week.
《哈姆雷特》下星期上演。
"Hamlet"opens on Saturday.
“哈姆雷特”星期六上演。
the track of a storm, comet, satellite
风暴、 彗星、 卫星的路线
comet finder [ seeker ]
观察彗星用的一种望远镜，寻彗镜
The central portion of the head of a comet.
彗核彗星头部的中心部分
The theatre company is presenting " Hamlet" next week.
剧团下星期将演出“哈姆雷特。”
telescopic comet
望远镜观察到的彗星
SHE WORKS FOR COMET AIRLINES.
她在彗星航空公司上班。
Because they found it,
由于他们发现了此彗星，
Schwassman-Wachmann comet
施瓦斯曼－瓦赫曼彗星
When they are farthest away from the sun,
当彗星离太阳最远时，