Friday 23 March 2018

Halley's Comet

Halley's Comet
      image source Wikipedia
      18th recorded perihelion passage of Halley's Comet
Halley's Comet or Comet Halley, officially designated 1P/Halleyis 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. Halley last appeared in the inner parts of the Solar System in 1986 and will next appear in mid-2061.
for know more.
https://en.wikipedia.org/wiki/Halley%27s_Comet

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