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Jocelyn Bell's 'LGM-1' signal turns out to be a pulsar

When
Paper chart recording with the pulsing radio trace of the first pulsar
The chart recording of the pulsing signal Jocelyn Bell found in 1967, nicknamed LGM-1 Billthom, CC BY-SA 4.0, via Wikimedia Commons

Cambridge graduate student Jocelyn Bell recorded a radio source pulsing with clockwork regularity, and her team briefly weighed whether it could be another civilization. Published in Nature in February 1968, it was recognized as the first pulsar, a rotating neutron star.

Sources

  1. FirsthandLittle Green Men, White Dwarfs or Pulsars? (S. Jocelyn Bell Burnell)Cosmic Search / 1979
  2. OtherObservation of a Rapidly Pulsating Radio Source (Hewish, Bell et al.)Nature / 1968-02-24

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