“Unlike Anything We’ve Seen Before” — Strange Afterglow of a Neutron-Star Merger

    The 2017 discovery of a binary neutron star merger opened a new era in astronomy. It marked the first time that scientists have been able to observe a cosmic event with both light waves — the basis of traditional astronomy — and gravitational waves, the ripples in space-time predicted a century ago by … Continue reading “Unlike Anything We’ve Seen Before” — Strange Afterglow of a Neutron-Star Merger