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added info on formation and history
A black hole is a higly dense mass which distorts space to near dimensional perpendicularity. While matter and energy may not escape a black hole, it is thought they evaporate due to [[plank radiation]]
A black hole is a higly dense mass which distorts space to near dimensional perpendicularity. While matter and energy, even light, may not escape a black hole, it is thought they evaporate due to [[plank radiation]]. The outer surface of a black hole is an [[event horizon]], a non-physical dimensional boundary, beyond which nothing can escape.
The outer surface of a black hole is an [[event horizon]], a non-physical dimensional boundary.
Black holes are thought to form when supermassive stars more than fifteen times the mass of the Sun run out of hydrogen fuel and die. When this happens, the iron core at the center of the star implodes under its own gravity in a supernova. The outer layers of the star are blasted into space in one of the most energetic events in the universe. Not all supernovae result in black holes though. If the mass of the core is large enough, about 1.2 times the mass of the Sun, the leftover gravity of the shrinking core stalls the outward rush of the initial blast, and crushes the core into a point of infinite gravity: a black hole. This rare event is known as a hypernova and is even more energetic than a supernova.
Black holes were theorized in Einstein's Theory of General Relativity, even though they were not known to exist at the time. Because of this, Einstein tried to re-work the whole theory to eliminate the need for these "singularities".
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