Halley’s Comet or Comet Halley is the best-known of the short-period comets, and is visible (with the naked eye) from Earth every 75 to 76 years

 
Halley's Comet or Comet Halley is the best-known of the short-period comets, and is visible (with the naked eye) from Earth every 75 to 76 years

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