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Results tagged with black-holes
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user 46853
A black hole is a region of spacetime from which nothing can escape. More formally, the future light cone of any observer within the black hole is completely contained in the black hole, and the black hole region is not within the past light cone of any observer that goes to spatial infinity in an infinite amount of time.
2
votes
Accepted
Singularity and evaporation of black hole
Singularities have not been rigorously proven to even exist. However many physicist believe that they may exist. Due to cosmic censorship, we can never know weather it did or didn't exist after the …
6
votes
4
answers
9k
views
Deriving a Schwarzschild radius using relativistic mass
Introduction
I have shown below two different approaches to deriving the Schwarzschild radius. I know these are less rigorous than the derivation of the Schwarzschild solution however the $\frac{2GM …