For the first time, astronomers have created a data-driven estimate for how many black holes are in our Universe: more than anyone expected.
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.