Ancient black hole had an development spurt

February 28, 2015 4:01 AM

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THAT certain is a flaming major hole. Astronomers have discovered a black hole with a mass 12 billion times that of the sun. It appears to have reached that size when the universe was much less than a billion years old, which creates a puzzle. Present models suggest that it could not have grown so massive so soon after the big bang.

Xue-Bing Wu of Peking University in Beijing, China, and his colleagues located the black hole by looking by way of data from sky surveys, hunting for vibrant objects called quasars.

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