The big bang theory explains the beginning of our universe. But could the entirety of our universe be inside a black hole?
Theoretical physicist Brian Greene explains this bizarre hypothesis in cosmology.
The idea that our universe may be entirely contained within a black hole is a mind-bending concept that has been explored by physicists for decades.
This hypothesis draws upon both general relativity and quantum mechanics, and could provide answers to some of the most perplexing questions in cosmology, such as the origin of the universe and the source of dark energy.
But, are there any observable effects that could indicate that our universe is inside of a black hole?
Virtually all cosmologists and theoretical physicists endorse the idea that the universe emerged during a single moment some 13.8 billion years ago.
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