Saturday, May 2, 2015

How Did The Largest Black Holes Get So Big? 




Quasars, the ravenous supermassive black holes that consume tremendous amounts of gas and dust into their gravitational pull, may be better at devouring matter than previously believed, according to research published in The Astrophysical Journal.

Using data obtained from the NASA Chandra X-ray Observatory, lead investigator Bin Luo, a postdoctoral researcher at Penn State University, and his colleagues examined 51 quasars located between five billion and 11.5 billion light years from Earth.

By discovering that that some quasars are consuming more matter than previous expected, the study authors believe that they could learn more about how these black holes were able to grow so rapidly during the earliest days of the universe. Luo said that the largest black holes appear to be consuming matter at rates five to ten time faster than most quasars.

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