Halley's Comet
A short-period comet visible from Earth every 75-76 years. The periodicity was first determined by English astronomer Edmond Halley. The comet seen before the Norman conquest of England in 1066 in thought to be Halley's Comet.
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Halley's Comet
A short-period comet visible from Earth every 75-76 years. The periodicity was first determined by English astronomer Edmond Halley. The comet seen before the Norman conquest of England in 1066 in thought to be Halley's Comet.
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