Halley was aware that the AU was one of the most fundamental of all astronomical measurements.
哈雷知道，天文单位是所有天文学测量中最基本的。
Halley realised that Mercury was so far away that its parallax angle would be very difficult to determine.
哈雷意识到水星离地球如此之远，以至于很难确定它的视差角。
In November 1677, Halley observed a transit of the innermost planet, Mercury, from the desolate island of St Helena in the South Pacific.
1677年11月，哈雷在南太平洋荒凉的圣赫勒拿岛上观测到了水星（最靠近太阳的行星）的凌日现象。
As Venus was closer to the Earth, its parallax angle would be larger, and Halley worked out that by using Venus it would be possible to measure the Suns distance to 1 part in 500.
由于金星离地球更近，所以它的视差角会更大。哈雷计算出，利用金星可以测量出太阳与地球之间的距离，误差为五百分之一。
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。
1742 - English astronomer Edmond Halley died at age 85.
1742年的今天，英国天文学家艾蒙德·哈雷逝世，享年85岁。
Halley did not see it, for he had died some years before.
哈雷没有看到它，因为他几年前去世。
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？
Isaac Newton and Edmond Halley once dissected a dolphin on the table of a coffee house in London.
牛顿和哈雷曾经在伦敦咖啡馆的桌子上解剖海豚。
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。
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。
Newton, asked to consider this, came up with gravitational calculations by which Halley was able to refine his predictions.
哈雷请牛顿来研究这个问题，牛顿提供了引力计算的结果，使哈雷的预测精确。
The great astronomer Edmund Halley eventually persuaded Newton to put together the results of his work on the laws of motion.
著名的天文学家埃德蒙·哈雷，最后说服了牛顿让他总结在运动定律方面的研究结果。
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。
Eventually he arranged for Flamsteed's work to be seized and prepared for publication by Flamsteed's mortal enemy, Edmond Halley.
最后，他指使夫莱姆斯梯德的冤家对头爱德蒙·哈雷夺得夫莱姆斯梯德的工作成果，并且准备出版。
They found deuterium at higher levels than it's found in Earth water-but at levels similar to the comets Hale-Bopp, Hyakutake and Halley.
数据显示月球水比地球水包含更多的重氢元素，并与海尔·波普彗星、百武彗星及哈雷彗星更为接近。
They found deuterium at higher levels than it's found in Earth water —but at levels similar to the comets Hale-Bopp, Hyakutake and Halley.
他们发现，同地球上的水相比，氘的含量更高——但同海尔·波普彗星、哈库塔克彗星和哈雷上的水有着相似的平。
They found deuterium at higher levels than it's found in Earth water - but at levels similar to the comets Hale-Bopp, Hyakutake and Halley.
他们发现，同地球上的水相比，氘的含量更高——但同海尔·波普彗星、哈库塔克彗星和哈雷上的水有着相似的平。
In 1716, English astronomer Edmond Halley noted, "This is but a little Patch, but it shews itself to the naked Eye, when the Sky is serene and the Moon absent."
1716年，英国天文学家爱德蒙·哈雷记录道：“它只是一小片，但在天空宁静、无月的时候肉眼可见。”
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。
Banking has a long history of borrowing ideas from science - astronomer Edmund Halley was constructing mortality tables for the life assurance industry back in the 17th Century.
银行业从科学中借鉴经验的历史由来已久，例如天文学家埃德蒙·哈维在17世纪就为人寿保险业编制了死亡率表格。
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。
The company has established the widespread cooperation on technology and business with German BKTEL Corporation, American ORTEL Corporation, the Halley company, and CISCO Corporation and so on.
公司与德国BKTEL公司、美国ORTEL公司、哈雷公司、CISCO公司等建立了广泛的技术、业务合作。
The company has established the widespread cooperation on technology and business with German BKTEL Corporation, American ORTEL Corporation, the Halley company, and CISCO Corporation and so on.
公司与德国BKTEL公司、美国ORTEL公司、哈雷公司、CISCO公司等建立了广泛的技术、业务合作。
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