Portal origin URL: NASA’s Retired Compton Mission Reveals Superheavy Neutron StarsPortal origin nid: 484924Published: Monday, January 9, 2023 - 17:15Featured (stick to top of list): noPortal text teaser: Signals found in archival observations of powerful explosions called short gamma-ray bursts indicate the brief existence of a supersized neutron star before it collapsed into a black hole.Portal image: At the center of a swirl of pale blue arcs, two white spheres representing orbiting neutron stars begin to merge in this illustration.