How did the 1054 supernova create the Crab Nebula?
This nebula is the product of a supernova explosion; in this section, the blast wave has encountered an area of dense interstellar gas, creating turbulence in the wave and causing it to glow. The picture is a composite of three images taken by the Hubble Space Telescope.
The Crab Nebula was created by a supernova explosion observed by astronomers in 1054. During this cataclysmic event, the progenitor star ejected most of its mass into space, creating a violently expanding cloud of debris.123
The resulting nebula is composed of these glowing gaseous ejecta, which continue to expand outward. At the center of this remnant lies a pulsar—a rapidly spinning, extremely dense neutron star that serves as the collapsed core of the original star. This pulsar provides the energy that allows the nebula to glow by emitting radiation across the entire measurable spectrum, including synchrotron radiation produced by electrons spiraling in a magnetic field at nearly the speed of light.413