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Black Holes Must Have Singularities, Says Einstein’s Relativity

21 Feb 2018, 15:01 UTC
Black Holes Must Have Singularities, Says Einstein’s Relativity
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Inside a black hole, the spacetime curvature is so large that light cannot escape, nor can particles, under any circumstances. A singularity, based on our current laws of physics, must be an inevitability. Image credit: Pixabay user JohnsonMartin.Unless you can make a force that travels faster than the speed of light, a singularity is inevitable.The more mass you place into a small volume of space, the stronger the gravitational pull gets. According to Einstein’s general theory of relativity, there’s an astrophysical limit to how dense something can get and still remain a macroscopic, three-dimensional object. Exceed that critical value, and you’re destined to become a black hole: a region of space where gravitation is so strong that you create an event horizon, and a region from within which nothing can escape. No matter how fast you move, how quickly you accelerate, or even if you move at the ultimate speed limit of the Universe — the speed of light — you can’t get out. People have often wondered whether there might be a stable form of ultra-dense matter inside that event horizon that will hold up against gravitational collapse, and whether a singularity is truly inevitable. But if you apply ...

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