" 2061: Halley's Comet is a "periodic" comet, meaning it sweeps into Earth's vicinity on a fairly regular basis. The comet flies past Earth about every 75 years. Thia means a human may have the opportunity to see Halley's Comet twice in a lifetime. read more
Halley's Comet or Comet Halley, officially designated 1P/Halley, is a short-period comet visible from Earth every 74–79 years. Halley is the only known short-period comet that is regularly visible to the naked eye from Earth, and the only naked-eye comet that might appear twice in a human lifetime. read more
Halley's comet will next appear in the night sky in the year 2062. It orbits the sun every 75-76 years, so this is the time between appearances. Halley's comet was recorded by Edmund Halley in 1682. It was seen again in 1758, 1835, 1910, and 1986. read more