Question

What is White hole Theory

Answer 1

it is the reverse of a black hole, which can only be entered from the outside and from which matter and light cannot escape. 

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Answer 2

Answer:

• In general relativity, a white hole is a hypothetical region of spacetime and singularity which cannot be entered from the outside, although energy-matter, light and information can escape from it. ... White holes appear in the theory of eternal black holes

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