Our Universe At Home Within Larger Universe, Physicist Says

Our universe could be located within the interior of a wormhole which itself is part of a black hole that lies within a much larger universe, according to a new paper published in Physics Letters B. In the paper, Indiana University theoretical physicist Nikodem Poplawski used the Euclidean-based coordinate system called isotropic coordinates to describe the gravitational field of a black hole and to model the radial geodesic motion of a massive particle into a black hole. read more

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