If a massive star's core collapses into a rapidly spinning body emitting regular electromagnetic radiation, what is this central object called?
Answer
pulsar
When a sufficiently massive star undergoes core collapse, its core compresses into an incredibly dense object, typically a neutron star. If this newly formed neutron star spins rapidly and possesses a potent magnetic field, it generates beams of electromagnetic radiation that sweep across space. When these beams sweep across Earth's line of sight, the object is observed as a pulsar, which acts as a highly regular source of radiation. This central pulsar often powers the central structure, the pulsar wind nebula, within the remnant.
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