Is a “Phantom Universe” Hidden in the Cosmic Microwave Background? A Trio of Physicists Think There Is

 

In the art world,  there’s a term called pentimento, meaning an alteration, an overlay on a painting, hiding evidence of traces of a previous work. In a similar vein, British physicist and former Stephen Hawking colleague, Sir Roger Penrose and his team, argue is that  extinct universes exist that were filled with ghost black holes that are hidden, embedded in the Cosmic Microwave Background map.

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