Some researchers think concentric ring patterns in measurements of the cosmic microwave background are evidence of a universe that existed before our own was born in the Big Bang. Credit: Roger Penrose and Vahe Gurzadyan.
Some researchers think concentric ring patterns in measurements of the cosmic microwave background are evidence of a universe that existed before our own was born in the Big Bang. Credit: Roger Penrose and Vahe Gurzadyan.
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