what is a black hole?



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    A black hole is a astronomical theory as to what happens when a star reaches the end of its life.  When a star undergoes a supernova, it leaves behind a massive burned out area that collapses in on itself.  Eventually it becomes an area with basically no volume and infinite density.  Contrary to popular belief, a black hole would not suck in the entire galaxy.  The only way it would suck in anything is if it crossed its Schwarzchild Radius, and then the only way it would be able to escape is if it could travel greater than the speed of life.

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