These Massive Neutron Stars Existed For Less Than The Blink of an Eye

Superheavy Neutron Stars Revealed by NASA Observations of Powerful Cosmic Explosions

NASA’s retired Compton mission data reveals the brief existence of a superheavy neutron star shortly before it collapsed into a black hole — This fleeting, massive object likely formed from the collision of two neutron stars

Astronomers find evidence for hypermassive neutron stars, which are objects so massive and dense they shouldn’t even exist.