Ginormous Black Hole Caught Eating Another

Ginormous Black Hole Caught Eating Another – Space.com

A monstrous black hole at the heart of one galaxy is being devoured by a still larger black hole in another, scientists say. The discovery is the first of its kind.

At the centers of virtually all large galaxies are black holes millions to billions of times the mass of the sun. Models simulating the formation and growth of galaxies predict their black holes evolve as the galaxies do, by merging with others.

Astronomers had witnessed the final stages of the merging of galaxies of equal mass, so-called major mergers. Minor mergers between galaxies and smaller companions should be even more common, but, strangely, these had not been seen until now.

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