For the first time, astronomers have created a data-driven estimate for how many black holes are in our Universe: more than anyone expected.
Observable universe? Or the theoretically infinite universe?
Article says observable. An infinite universe that's homogeneous and isotropic would have an infinite number of... everything?
Indeed.
Observable universe? Or the theoretically infinite universe?
Article says observable. An infinite universe that's homogeneous and isotropic would have an infinite number of... everything?
Indeed.