For stars that are eight times or more the mass of our sun, the outer layers rebound off the iron core, leading to a gigantic explosion called a supernova and leaving behind a black hole or a ...
Related: James Webb telescope sees 'birth' of 3 of the universe's earliest galaxies in world-1st observations For stars that are eight times or more the mass of our sun, the outer layers rebound off ...
Black holes are points in space that are so dense ... In the stellar remnants of a supernova, however, there are no longer forces to oppose that gravity, so the star core begins to collapse ...
Above the limit, dying stars can become neutron stars or black holes. But before they do, these heavyweights will explode in a supernova. Supernovae are divided into two basic physical types ...
AT 2021hdr is a binary supermassive black hole (BSMBH) system in the center of a galaxy 1 billion light-years away, in the Cygnus constellation. In 2021, researchers observing it using NASA’s Zwicky ...