News From the Field
From one collapsing star, two black holes form and fuse
November 6, 2013
Over billions of years, small black holes can slowly grow into supermassive black holes by taking on mass from their surroundings, and also by merging with other black holes. But this slow process can't explain how supermassive black holes existing in the early universe would have formed less than 1 billion years after the big bang. New findings from a group of Caltech researchers help to test a model that solves this problem.
California Institute of Technology
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