What if the Big Bang Wasn't the Beginning? Research Suggests It May Have Taken Place Inside a Black Hole
- A new paper published in Physical Review D proposes that the Big Bang occurred inside a massive black hole formed by gravitational collapse.
- This model is based on Roger Penrose's 1965 proof demonstrating that, under broad conditions, the process of gravity pulling matter inward inevitably results in a singularity—a point where the laws of physics cease to apply—highlighting a profound theoretical challenge.
- The authors show that the collapse can instead produce a bounce within the black hole, combining general relativity with quantum mechanics without requiring exotic physics.
- This bounce predicts a small positive spatial curvature of the universe, which ongoing missions like Euclid may confirm to support the black hole universe idea.
- If true, this suggests our universe is part of a cosmic cycle shaped by gravity and quantum mechanics, continuing from a parent universe rather than emerging from nothing.
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Scientists Calculate That the Entire Big Bang Must Have Taken Place Inside a Black Hole
The standard model of cosmology may be the best explanation we've got for why the universe is the way it is and how it all came to be. But it's not the only explanation. Enter black hole cosmology. It's a radical idea which proposes that the Big Bang — the rapid unraveling of an infinitely dense point, believed to have given birth to the cosmos as we know it — actually took place in a black hole, which itself formed inside a larger "parent" univ…
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