A cosmic lighthouse pulses from a dead star
The Crab Nebula, a 1,000-year-old supernova remnant, pulses with energy from its central neutron star, revealing the violent rebirth of a star and its lasting cosmic impact.
The Crab Nebula, a stunning cloud of gas and dust, is the remnant of a massive star's explosive death in 1054 AD. Ancient astronomers recorded this supernova, which briefly outshone Venus. At its heart lies a rapidly spinning neutron star, called a pulsar, that emits powerful beams of radiation across space.
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