Ever since time began, maybe even before!
No. It certainly has black holes, but it has other things as well.No. It certainly has black holes, but it has other things as well.No. It certainly has black holes, but it has other things as well.No. It certainly has black holes, but it has other things as well.
Black holes (in the astronomical sense) have never been made in the laboratory.
2010
He did not. He made some theoretical discoveries about how black holes would probably behave; but the concept of black holes was discovered by others before him.
Black holes are not made up of dark matter. Dark matter is a mysterious substance that makes up a large portion of the universe's mass, but black holes are formed from the collapse of massive stars.
Black holes are made up of a super dense core called a singularity, surrounded by an event horizon. The singularity is thought to contain all the mass of the black hole, but it is not made of matter as we know it. Instead, it is a point of infinite density where the laws of physics break down.
maybe there is maybe there is not f.dfahfafadsfsbfdlh
Most likely in the University classroom as an undergraduate student, that's where most people of his generation learned about black holes. But of course what he learned about was ordinary stellar black holes.It was much later when he made his own "what if" hypothesis on microscopic black holes. After solving the equations of general relativity for this case and including the effects of quantum mechanics, he made his theory including Hawking Radiation, evaporation of black holes, and their eventual explosion. This remains theoretical, as his black holes have still not been observed.
stellar black holes were stars (these are large)primordial black holes were pieces of the big bang (these are microscopic)
Black holes are not composed of matter, and do not have a chemical formula.
Black holes do not die but they can evaporate.
Black holes