How massive is supermassive? Astronomers measure more black holes, farther away

University of Illinois astronomy professor Yue Shen and other team members of Sloan Digital Sky Survey observed quasars to help measure the mass of supermassive black holes to better understand how galaxies grow and evolve. Photo by L. Brian Stauffer

To reach Yue Shen, call 217-265-4072; shenyue@illinois.edu.

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How massive is supermassive? Astronomers measure more black holes, farther away