Zombie Star
When a sunlike star dies, it swells up and eventually sheds its outer layers of gas, leaving behind a corpse known as a white dwarf. But sometimes the stellar dead come back to life by feeding from nearby companions.
Such “zombie” stars are known to astronomers as Type Ia supernovae, violent explosions that happen when white dwarfs consume so much material from neighbors that they reach a defined mass limit and explode.
Via National Geographic
