Astrophysicists generally assume that the compact
\n\t\t\t\tobjects at the centers of galaxies are black holes.\u00a0 Why
\n\t\t\t\tcouldn't these objects be massive neutron stars or some
\n\t\t\t\tother type of degenerate body?\u00a0 The reason is that under
\n\t\t\t\tgeneral relativity and our current understanding of particle
\n\t\t\t\tphysics, no stable degenerate object can exist with more than
\n\t\t\t\tabout 5 solar masses.\u00a0 Gravity would need to deviate from
\n\t\t\t\tgeneral relativity for million-solar-mass degenerate objects
\n\t\t\t\tto exist.<\/p>\n","protected":false},"excerpt":{"rendered":"
Astrophysicists generally assume that the compact objects at the centers of galaxies are black holes.\u00a0 Why couldn't these objects be massive neutron stars or some other type of degenerate body?\u00a0 The reason is that under general relativity and our current … Continue reading