Astronomy Cast

Wizzard Media

Science & Medicine, Natural Sciences

Chart Positions

Science & Medicine 37
Natural Sciences 12

Astronomy Cast brings you a weekly fact-based journey through the cosmos.


Episode 213: Supermassive Black Holes

December 27th, 2010

Episode 245 of 489 episodes

It's now believed that there's a supermassive black hole lurking at the heart of every galaxy in the Universe. These monstrous black holes can contain hundreds of millions of times the mass of our own Sun, with event horizons better than the Solar System. They're the source of the most energetic particles in the Universe, the brightest objects in the Universe, and the place where the laws of physics go to get mangled.

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