Astronomers have detected a mysterious—and record-breaking—signal originating from so far away in the distant universe that it took 8 billion years to reach us.The unusual signal, described in a paper published in the journal Science, represents a type of cosmic phenomenon known as 'fast radio bursts' or FRBs.FRBs are intense but very brief pulses of radio waves—the same type of radiation emitted by your cell phone or a microwave—that originate from distant sources in the universe.
Neutron stars are dense stars that have roughly the same mass as the sun but are only the size of a small city with extremely strong magnetic fields.'These are some of the most extreme objects in the universe, so it is natural to implicate them in producing extreme radio bursts. Indeed, an FRB-like burst was observed from a magnetar in our own galaxy in 2020,' Shannon said.
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