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Supermassive Black Holes are Not Doughnuts!

Conventional thinking suggests that the most massive black holes possess a ringed doughnut-shaped torus of gas and dust trapped in orbit around them. But if we know one thing about black holes, they're anything but conventional.

May 23, 2014
3:57 PM EDT
Active, supermassive black holes at the hearts of galaxies tend to fall into two categories: those that are hidden by dust, and those that are exposed. | NASA/JPL-Caltech