M1: The Crab Nebula — All that remains of an exploding star seen by astronomers in 1054

M1: The Crab Nebula — All that remains of an exploding star seen by astronomers in 1054

[CLICK ON IMAGE FOR HIGH RESOLUTION, Credit:Martin Pugh] The Crab Nebula is cataloged as M1, the first object on Charles Messier’s famous 18th century list of things which are not comets. In fact, the Crab is now known to be a supernova remnant, debris from the death explosion of a massive star, witnessed by astronomers […]