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[ad_1] Comet Halley’s 1986 return Comet 1P/Halley, known to most as Halley’s Comet, is perhaps the most famous short-period comet in history — its return time of 76 years has allowed some people to view this once-in-a-lifetime event twice. Although it’s named after astronomer Edmond Halley, records of the comet date back as far as…