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Astronomy and Astrophysics
Do Black Holes Exist? | Physics & Stephen Hawking
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[QUOTE="Ibix, post: 6400540, member: 365269"] I'm going to modify my answer a bit: it depends what you mean by "black hole". As I said, we've got evidence of the existence of extremely massive and compact non-radiating objects. To our best precision, they match the properties general relativity ascribes to black holes. However, the predictions that general relativity makes for the interiors of black holes aren't entirely plausible. We hope a quantum gravity theory will make more plausible predictions. So, do black holes [i]exactly as predicted by general relativity[/i] exist? Probably not. But any successor theory to GR must allow for extremely massive and compact non-radiating objects (because if it doesn't it can't describe things we can actually see) that we might as well call black holes. Maybe technically "quantum gravity black holes" to distinguish from the more primitive GR model. [/QUOTE]
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Do Black Holes Exist? | Physics & Stephen Hawking
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