Halley's comet

基本解释

This was of only passing interest until someone realized that Earth would pass through the tail of Halley's comet in 1910.
儅有人認識到地球可能將會在1910年被彗星尾巴掃到後，這一事件成了盛極一時的話題。
Halley's Comet is likely the most famous comet in the world, even depicted in the Bayeux Tapestry that chronicled the Battle of Hastings of 1066.
哈雷彗星恐怕是世界上最著名的彗星了，它甚至在記述1066年赫斯廷斯戰役的貝葉掛毯中被描述過。
Halley's Comet, which reappears about every 75 years, is a 'short-period' comet from a different part of the Solar System called the Kuiper Belt.
哈雷彗星大約每75年會再現一次，哈雷彗星是一個“短期”的彗星，來自太陽系一個名爲柯伊伯帶的與衆不同的部位。

Annihilation aside, Halley's comet will damage the world economy and the environment.
ECONOMIST: Stop that comet
The heavens, he observed, remained agreeably unchanged: he saw Halley's comet when it passed over Pennsylvania in 1910 and again in 1986, when he was in New Zealand doing research.
ECONOMIST: William Sunderman

a comet revolving around the sun in a period of about 76 years, last seen in 198586