The many faces of the monsters in galaxy centres

By Brad Tucker
Updated February 23 2022 - 3:22am, first published February 20 2022 - 6:30pm
This artist's impression shows the thick dust torus that astronomers believe surrounds supermassive black holes and their accretion discs. Picture: European Space Agency

Supermassive black holes, the monsters that reside in the centres of galaxies, are complex beasts. While some, like the black hole in our own galaxy, sit there quietly not doing much, others are active objects disrupting the environment around them.

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