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- Halley's Comet
Short-period comet visible from Earth every 75–76 years
Halley's Comet, Comet Halley, or sometimes simply Halley, officially designated 1P/Halley, is the only known short-period comet that is consistently visible to the naked eye from Earth, appearing every 75–79 years. It last appeared in the inner parts of the Solar System in 1986 and will next appear in mid-2061. Wikipedia
