Dark matter guides growth of supermassive black holes

February 18, 2015 4:57 PM

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Dark matter guides growth of supermassive black holes

(Nanowerk News) Every massive galaxy has a black hole at its center, and the heftier the galaxy, the bigger its black hole. But why are the two related? After all, the black hole is millions of times smaller and less massive than its home galaxy.

A new study of football-shaped collections of stars called elliptical galaxies provides new insights into the connection between a galaxy and its black hole. It finds that the invisible hand of dark matter somehow influences black hole growth.

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