Mergers Most Likely Fuel for Active Galaxies

(PhysOrg.com) -- The first solid evidence for how the center of some galaxies come to shine brightly while others barely flicker has been uncovered by researchers at the Kavli Institute for Particle Astrophysics and Cosmology and several other institutions around the world. This work offers new insight into one of the most extreme environments in the universe -- the tumultuous region around black holes, where gas and dust churn mightily as they slowly spiral inward.

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