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#137 – Alex Filippenko: Supernovae, Dark Energy, Aliens & the Expanding Universe
Lex Fridman Podcast
How Much Variation Is There Between Supernovae?
There are several different ways that stars can explode, and it depends on their mass. Our own son will turn into a white dwarf in about seven billion years. It'll have about half its present mass compressed into a volume just the size of Earth. The matter is what's called by quantum physicists degenerate matter - not because it's morally reprehensible or anything like that.
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