tag #neutron-stars 1 reading card on “neutron-stars”, in chronological order. Part of the full archive. 2026-05-12 The First Pulsar A signal that should not have existed. In the summer of 1967, a twenty-four-year-old graduate student in Cambridge found a rhythm buried in the radio noise — sharp, cold, perfectly repeating every 1.337 seconds. For weeks, no one could explain it. They half-jokingly labelled it LGM-1: Little Green Men.
