See JWST’s Spectacular New View of the Crab Nebula
A little more than 969 years ago—on July 4, 1054, to be more precise—the light from one of the universe’s most energetic and violent events reached Earth: a supernova, or exploding star.
Although its source was a soul-crushing 6,500 light-years from us, the supernova’s light was so bright that it could be seen in daytime for weeks. Various civilizations around the world documented its appearance in records from that time, which is how we know the very day it occurred. Hundreds of years later, astronomers observing the…