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Mar. 17th, 2015 02:08 pmхех
In general relativity, a white hole is a hypothetical region of spacetime which cannot be entered from the outside, although matter and light can escape from it. In this sense, it is the reverse of a black hole, which can only be entered from the outside, from which nothing, including light, can escape. White holes appear in the theory of eternal black holes. In addition to a black hole region in the future, such a solution of the Einstein field equations has a white hole region in its past.[1] However, this region does not exist for black holes that have formed through gravitational collapse, nor are there any known physical processes through which a white hole could be formed. No white hole has ever been observed. also, the laws of thermodynamics say that the net entropy in the universe can either increase or remain constant. This rule is violated by White holes, as they tend to decrease Entropy
https://en.wikipedia.org/wiki/White_hole
In general relativity, a white hole is a hypothetical region of spacetime which cannot be entered from the outside, although matter and light can escape from it. In this sense, it is the reverse of a black hole, which can only be entered from the outside, from which nothing, including light, can escape. White holes appear in the theory of eternal black holes. In addition to a black hole region in the future, such a solution of the Einstein field equations has a white hole region in its past.[1] However, this region does not exist for black holes that have formed through gravitational collapse, nor are there any known physical processes through which a white hole could be formed. No white hole has ever been observed. also, the laws of thermodynamics say that the net entropy in the universe can either increase or remain constant. This rule is violated by White holes, as they tend to decrease Entropy
https://en.wikipedia.org/wiki/White_hole
