哈雷彗星将在2061年返回。
哈雷知道，天文单位是所有天文学测量中最基本的。
Halley was aware that the AU was one of the most fundamental of all astronomical measurements.
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。
Halley realised that Mercury was so far away that its parallax angle would be very difficult to determine.
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。
In November 1677, Halley observed a transit of the innermost planet, Mercury, from the desolate island of St Helena in the South Pacific.
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。
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.
他骑着一辆哈雷摩托车。
哈雷尔扑哧一声笑了。
受哈雷提出的确定太阳系大小的方法启发，英国和法国天文学家团队开始在印度和西伯利亚等地考察。
Inspired by Halley's suggestion of a way to pin down the scale of the Solar System, teams of British and French astronomers set out on expeditions to places as diverse as India and Siberia.
这张引人注目的‘月虹'照片是由WallyPacholka在游览参观夏威夷毛伊岛哈雷阿卡拉火山口时拍摄的。
The remarkable photograph of a 'moonbow' was taken by Wally Pacholka as he looked over the Haleakala crater on Maui Island in Hawaii.
他的同事、托莱多大学的地质学家詹姆斯·哈雷尔说：“这条路可能不算是一项与金字塔相媲美的建筑壮举，但却是一项重大的工程成就。”
"The road probably doesn't rank with the pyramids as a construction feat, but it is a major engineering achievement," said his colleague, geologist James Harrell of the University of Toledo.
哈雷目前正寄希望于亚洲。
一张拍摄于1986年的哈雷彗星照片。
哈雷作为时尚物品的日子可能已经结束了。
The days when Harleys were a fashion accessory are likely over.
哈雷彗星，1910。
牛顿和哈雷曾经在伦敦咖啡馆的桌子上解剖海豚。
Isaac Newton and Edmond Halley once dissected a dolphin on the table of a coffee house in London.
1907年的哈雷.戴维森公司员工留影。
哈雷为马尔科姆提心吊胆，但是他也同样为他的书担心。
第一次会面的时候，马尔科姆就这么告诉哈雷。
“我之前那些年在街上没有白忙活，”马尔科姆告诉哈雷。
"I hadn't hustled in the streets for years for nothing," Malcolm told Haley.
他朝哈雷挥挥手。
他们指着驶过天空的红色贝林戈，就好像它是哈雷彗星似地。
They point at the red Berlingo driving across the sky as though it were Halley's Comet.
哈雷戴维森一直都有很明确的目标群体：白种老男人。
Harley-Davidson has always had a very specific demographic: older white guys.
今天，在他哈雷街的私人诊所里，许多病人接近或超过了四十岁。
Today, in his private Harley Street clinic, many of his patients are in their late thirties and early forties.
沃伦巴菲特出资3亿美元接下哈雷戴维森公司的债务。
Warren Buffett bought half of a $600m debt offering from Harley-Davidson .
不过由于哈雷摩托不再是稀罕物件，因此它也渐渐开始失去威望。
But lacking scarcity, Harleys also began to lose their cachet.
但是针对哈雷彗星和其他五颗彗星的观测结果给这一结论大泼冷水。
But measurements of Halley's comet and five others threw cold water on the idea that comets provided a large share of the oceans.
哈雷在上个十年中进行了生机勃勃的扩张，不过如今它却陷入了苦日子。
But after expanding exuberantly in the last decade, Harley has fallen on hard times.
哈雷2号彗星最近接近了太阳，因阳光照射而变暖，从而变得非常活跃。
Comet Hartley 2 became active recently as it neared the sun and sunlight warmed the comet.
蒙着宇宙尘埃的银河拱悬于毛伊岛的哈雷·阿卡拉火山口上空。
Veiled by cosmic dust, the Milky Way arches over Haleakala Crater on Maui.
哈雷尔希望她的例子可以告诉年轻的女性们，她们也可以创业。
Harrell hopes that her example will show other young women that they can succeed in launching their own businesses.
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