We Just Got Lab Made Evidence Of Stephen Hawking’s Greatest Prediction About Black Holes. Nothing, not even light, can escape from inside the event horizon. The black hole is the background spacetime for a quantum field theory. the heart of every galaxy is a supermassive black hole. Over time, plasma from the star is stripped off and falls into the black hole, forming what is known as an accretion disk, or a rotationally supported plasma flow.
For a black hole with nonzero spin and electric charge, the radius is smaller, The theory of general relativity is built on the equivalence principle of gravitation and inertia. Objects and radiation can escape normally from the ergosphere. Hence, large black holes emit less radiation than small black holes.
As with classical objects at absolute zero temperature, it was assumed that black holes had zero entropy. Unlike most objects, a black hole’s temperature increases as it radiates away mass. It is yet unknown how gravity can be incorporated into quantum mechanics. Physicists have revealed that just seven quantum particles can behave as if they were in a crowd of billions.
Precise measurements of gravitational waves will also allow scientists to test more thoroughly the general theory of relativity. Several other gravitational wave detectors are planned or under construction.