How big is halley's comet?

Halley's Comet is arguably the most famous comet. It is a "periodic" comet and returns to Earth's vicinity about every 75 years, making it possible for a human to see it twice in his or her lifetime. The last time it was here was in 1986, and it is projected to return in 2061. 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

There are two meteor showers associated with Halley's Comet (1P/Halley). They are the Eta Aquariids and the Orionids, which, respectively, peak in April and October. Halley's Comet Return. The last perihelion occurred on February 9, 1986. Halley’s Comet next perihelion wiill be on July 28, 2061. Halley's Comet's aphelion occurs in the Kuiper Belt. read more