The History of Halley’s Comet

By |2020-03-16T17:12:13+03:00March 15th, 2020|Categories: Knowledge|Tags: , , , , , , , , |

Halley's Comet or Comet Halley, officially designated 1P/Halley, is a short-period comet visible from Earth every 75–76 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 [...]