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Research suggests Big Bang may have taken place inside a black hole


In this blog, Professor Enrique Gaztanaga from the Institute of Cosmology and Gravitation at the University of Portsmouth, puts forward a new theory about how the Universe was created.

The idea helped win Penrose a share of the 2020 Nobel prize in physics and inspired Hawking’s global bestseller A Brief History of Time: From the Big Bang to Black Holes. Crucially, this bounce occurs entirely within the framework of general relativity, which applies on large scales such as stars and galaxies, combined with the basic principles of quantum mechanics – no exotic fields, extra dimensions or speculative physics required. It could also shed new light on other deep mysteries in our understanding of the early universe – such as the origin of supermassive black holes, the nature of dark matter, or the hierarchical formation and evolution of galaxies.

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