2min chapter

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#305 – Martin Rees: Black Holes, Alien Life, Dark Matter, and the Big Bang

Lex Fridman Podcast

CHAPTER

Quasars - What Are They?

Quasars were discovered when astronomers found things that looked like stars. They outshone an entire galaxy, which they initially thought was suspicious. But it turned out to be black holes capturing gas and producing far more energy than all the stars added together. Now we understand basically what's going on but quasars are still a mystery.

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