FACT #38
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 a human lifetime. Halley last...…………………….
FACT #38
Reviewed by Admin
on
September 29, 2019
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Reviewed by Admin
on
September 29, 2019
Rating:
