Crab Nebula

Introduction
Crab Nebula, also known as Messier 1, M1, NGC 1952, Taurus A, and Sh2-244, is a Nebula that is a Supernova Remnant located inside The Taurus Constellation. Crab Nebula has a mass of 1.4 Million Solar Masses to 2 Million Solar Masses, a radius of 5.5 Light Years, a diameter of 11 Light Years and is 6,500 Light Years from Earth. The Crab Nebula is expanding at a rate of around 1500 Kilometers per second. In The Center of The Crab Nebula is The Crab Pulsar. The Crab Pulsar is a Neutron Star that is a pulsar that is 28 to 30 kilometers large. 
Profile of Crab Nebula
The Crab Nebula was discovered by Chinese Astronomers in 1054, then later observed by English Astronomer John Bevis in 1731 and then Anglo-Irish Astronomer William Parsons, 3rd Earl of Rosse, in 1840, who gave it it's notable name, The Crab Nebula by drawing it and the image drawn looking like a Crab. The Crab Nebula is The First Astronomical Object noted for corresponding to a historically recorded Supernova Explosion! The Star found in the center of The Crab Nebula is noted also for the first ever discovered Pulsar.