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Ive been listening to the brief history of time and I am wondering if black holes have indeed been confirmed or not yet. Does any body know?
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Silver Enthusiast  |
Black Holes ---regions of space-time where neither matter nor electromagnetic waves can escape----have been confirmed to exist by their noted gravitational effects on the matter that orbits them (most notably at the center of galaxies). However, the singularity at the black hole center---the point of infinite density and space-time curvature where matter and energy occupies no space at all----has not yet been proven.
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Silver Enthusiast |
In the strict sense of the word "proof", you can never prove the existence of a black hole because you can never see it. But all evidence and knowledge gained thus far show that the existence of black holes is a near certainty. In Hawking's latest book, "The Universe in a Nutshell", he doesn't put a percent probability on their existence, but it appears from the writings that he would have a 99 percent confidence level that they do exist, and that they may, in fact, be gateways to the higher order dimensions of space-time.
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