Our Universe could be one of an infinite number of Universes, and, in its early stages, might have collided with one of these other worlds, according to a recent discovery.
A mysterious ‘cold spot’ in the Universe is not caused by a massive void, according to a recent paper.
According to the authors of the paper, the most likely explanation for the spot is our Universe, in its early stages, collided with another ‘bubble’ Universe – so-called because it grows like a bubble out of a vacuum.
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Abigail Beall 