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Halley

American  
[hal-ee] / ˈhæl i /

noun

  1. Edmund or Edmond, 1656–1742, English astronomer.

Halley British  
/ ˈhælɪ /

noun

  1. Edmund. 1656–1742, English astronomer and mathematician. He predicted the return of the comet now known as Halley's comet , constructed charts of magnetic declination, and produced the first wind maps

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