Question

define - Halley comet

Answer 1

Answer:

Explanation:

Halley's Comet or Comet Halley, officially designated 1P/Halley,[2] is a short-period comet visible from Earth every 75–76 years.[2][10][11][12] 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.[13] Halley last appeared in the inner parts of the Solar System in 1986 and will next appear in mid-2061.[1

Answer 2

Answer:

a comet with a period averaging 76 years. In this century it was visible to terrestrial observers just before and after reaching perihelion in 1910 and again in 1986.

Explanation:

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