Close Up Images Show Something Weird is Happening on Betelgeuse - YouTube - The Secrets of the Universe - astrophysics

Betelgeuse is only 550 light years from Earth.When it goes supernova,we will be able to see it in the daytime for a few months.It isn't close enough,though,to pose any danger to Earth.It's been ascertained that the rapid rotation of the star is an optical illusion caused by the star's boiling surface.