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Halley    音标拼音: [h'æli] [h'eli]

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  • Halleys Comet - Wikipedia
    It last appeared in the inner parts of the Solar System in 1986 and will next appear in mid-2061 Officially designated 1P Halley, it is also commonly called Comet Halley, or sometimes simply Halley
  • Edmond Halley - Wikipedia
    He was the second Astronomer Royal in Britain, succeeding John Flamsteed in 1720 From an observatory he constructed on Saint Helena in 1676–77, Halley catalogued the southern celestial hemisphere and recorded a transit of Mercury across the Sun
  • Edmond Halley | Astronomer, Mathematician Comet Discoverer - Britannica
    Edmond Halley was an English astronomer and mathematician who was the first to calculate the orbit of a comet later named after him He is also noted for his role in the publication of Isaac Newton’s Philosophiae Naturalis Principia Mathematica
  • Halley’s Comet | Astronomy, Facts History | Britannica
    Halley’s Comet, the first comet whose return was predicted and, almost three centuries later, the first to be imaged up close by interplanetary spacecraft In 1705 English astronomer Edmond Halley published the first catalog of the orbits of 24 comets
  • 1P Halley - NASA Science
    Halley is often called the most famous comet because it marked the first time astronomers understood comets could be repeat visitors to our night skies Astronomers have now linked the comet's appearances to observations dating back more than 2,000 years
  • In Depth | 1P Halley – NASA Solar System Exploration
    Halley is often called the most famous comet because it marked the first time astronomers understood comets could be repeat visitors to our night skies Astronomers have now linked the comet's appearances to observations dating back more than 2,000 years
  • Edmond Halley - World History Encyclopedia
    Edmond Halley is famous for accurately predicting the 1682 comet would return in 1758, which is now called Halley's Comet Halley also travelled extensively taking astronomical and magnetic readings across the globe
  • Edmond Halley: The man behind the comet - Astronomy Magazine
    Halley’s memory is very much alive at the Royal Society of London One of the world’s oldest scientific societies, it was founded in 1660 when it was granted a royal charter by King Charles II
  • What Is Halley’s Comet? Facts, Orbit, and History
    Halley’s Comet visits Earth every 75 years or so Learn how it was identified, what it’s made of, and when you can expect to see it next
  • Halleys Comet - WorldAtlas
    Halley's Comet is the most famous comet in history and the first one ever recognized as a regular visitor to Earth's neighborhood It loops around the Sun every 74 to 79 years, with the exact timing nudged by the gravity of Jupiter and Saturn





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