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W. Niel Brandt

W. Niel Brandt, Penn State

This artist's conception illustrates one of the most primitive supermassive black holes known (central black dot) at the core of a young, star-rich galaxy. (Universal History Archive/Universal Images Group via Getty Images)

Supermassive black holes have masses of more than a million suns – but their growth has slowed

Fan Zou, W. Niel Brandt