[Q&A] Viruses from Mars, Asteroid Landing, Stars Colliding
Universe Today Podcast
00:00
The Limits of a Black Hole
Astronomers keep finding quasars earlier and earlier in the universe. They're surprised at how big these supermassive black holes already are. And it's making them start to question what are the underlying mechanisms for how they come together. The original idea was that you had the first primordial hydrogen helium left over from the Big Bang.
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Transcript
