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Galactic black holes may be more massive than thought

Predictions and observations could resolve seeming mismatch between close and distant giants

By Ron Cowen

- More than 2 years ago

PASADENA, Calif.—And now for something truly monstrous.

BLACK HOLES IN MASSIVE GALAXIES Illustrated is a new understanding of the relationship between the mass of a galaxy’s central black hole and the mass of its central bulge of stars. A new model suggests revising how this relationship is defined, at least for black holes in the most massive galaxies.