This image was one of the largest ever taken by NASA’s Hubble Space Telescope of the Crab Nebula.
It is a six-light-year-wide expanding remnant of a star’s supernova explosion.
Japanese and Chinese astronomers believe that this event occurred about 1,000 years ago;
possibly in 1054.
The orange that you see in the photo is the remnants of the star.
The blue light comes from electrons moving at the speed of light around magnetic field lines from the neutron star.
Photograph by NASA, ESA, J. Hester and A.Loll