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This Massive Black Hole Is Mysteriously Quiet, And Astronomers Don’t Know Why

4 Mar 2019, 18:38 UTC
This Massive Black Hole Is Mysteriously Quiet, And Astronomers Don’t Know Why X-ray: NASA/CXC/Wesleyan Univ./R.Kilgard, et al; Optical: NASA/STScI

Galactic mergers should push gas and dust into the centers of galaxies. So why are these two so quiet?

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