Question: When does halley's comet come back around?
qaPairs: question: In what year will Halley's comet come back around?
answer: mid-2061 to 2062
question: How often does Halley's comet come back around?
answer: every 75–76 years
qaPairs: question: When is the period does halley's comet come back around?
answer: every 75–76 years
question: When is the next time does halley's comet come back around?
answer: mid-2061 to 2062