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Image for: Galaxy mergers not the major feeding mechanism for giant black holes


If major mergers are an important factor in transporting matter towards galaxies' central black holes, which makes the black hole shine out brightly as an Active Galactic Nucleus (AGN), then distortions - the tell-tale traces of such mergers - should be more frequent for active galaxies (left) than inactive ones (right).
If major mergers are an important factor in transporting matter towards galaxies' central black holes, which makes the black hole shine out brightly as an Active Galactic Nucleus (AGN), then distortions - the tell-tale traces of such mergers - should be more frequent for active galaxies (left) than inactive ones (right).

Credit: NASA/ESA and M. Cisternas (MPIA)

(108 KB, 900 x 667 pixels)

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