An Etymological Dictionary of Astronomy and Astrophysics
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A type of galaxy that releases a tremendous amount of energy, on the average 10⁵⁸ ergs, compared with a supernova release of 10⁴⁹ ergs. Violent galaxies include quasars and exploding galaxies. About 1 percent of the galaxies are classified as violent. The nearest violent galaxy is Cen A.

→ violent; → galaxy.