A New Type of Supernova Unlocks Old Stellar Mysteries

New type of supernova spotted

Astronomers confirm there’s a third type of supernova explosion, called an "electron-capture" supernova. The new sighting shores up a decades-old suspicion about the nature of a long-lived supernova seen in 1054 A.D., which created the famous Crab Nebula.

The Goldilocks Supernova