the Halley Comet

The Control Circuit of the Telescope for the Observation of Halley's Comet

哈雷彗星观测望远镜的跟踪电路

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The most famous comet in history is called Halley's comet.

历史上最著名的彗星叫作哈雷彗星.

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Which annalistic style book in ancient China leaving the earliest record about Halley's Comet?

在中国古代哪本编年史书中留下了关于哈雷彗星最早的记载?

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Twain was born in 1835 following the appearance of Halley's Comet, which comes about once every 75 years.

土温出生于1835年，正巧赶上75年回归一次的哈雷慧星划过长空。

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The Transit Effect of Halley Comet and An Approach to the Machanism of Magnetic Field in Its Plasma Tail

Halley彗星的凌日效应及其等离子体彗尾中磁场机理的探讨

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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

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In large objects like Halley's Comet the nucleus is measured in kilometres.

而别的彗星的彗核比如哈雷慧星的彗核要用千米来计算.

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Makes an attempt to discuss the possible relationship between Halley comet approaching to the Earth and earthquake occurrences. A table is given in the text showing the correspondence between the occurrences of great earthquakes with M ≈ 8 and Halley comet since the fourteenth century.

探讨了哈雷彗星接近地球与大地震发生的可能关系，特别列表说明了从14世纪以来哈雷彗星与8级大震的对应关系；

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Observation and Analysis for the Outburst of the Halley's Comet

一次哈雷彗星爆发现象的观测和分析

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That the most important volume in the history of physics, which described the laws of motion and of gravity, saw the light of day the next year was, in the end, due to the deep pockets of Edmund Halley, of comet fame.

《自然哲学的数学原理》是一本物理学史上首屈一指的鸿篇巨制，一部描述运动规律和万有引力的鸿篇巨著。为此，艾德蒙德·哈雷（Edmund Halley）给予了鼎力资助，次年这一巨著终于呈现在世人面前。艾德蒙德·哈雷本人因发现哈雷彗星而名垂青史。

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Halley's Comet approaches the earth about every 30 years.

哈雷彗星大约每隔30年接近地球一次.

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This discussion is based upon the result of calculation of the motion of Halley's comet, taking into account the perturbations of the nine major planets in the past three thousand odd years.

所根据的资料是利用TQ-6型电子计算机，计及大行星摄动而求得的在这三千多年中的运动轨道。

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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.

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Having predicted in 1909 that he would "go out" with Halley's comet-which appeared in the year of his birth-he died the day after the comet's closest approach to Earth.

他曾在1909年预言自己会和哈雷彗星一起“离去”——这颗彗星曾在他出生那年出现过——在彗星达到其最接近地球点的第二天，马克·吐温去世了。

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R. Hind, a British astronomer, once usedthese continuous data to calculate the orbit of Halley's Comet, and discovered that the angle of the orbit showed a narrowing trend.In the Han Dynasty, it was 170 degrees, but it nar-rowed down t0 161 degrees in the mid-9th century.

英国天文学家J.R.海德曾经使用这些数据计算哈雷彗星的运行轨道，他发现，彗星运行轨道角度呈变小趋势：在汉代，角度为1700，到19世纪中叶，则减至1610。

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