Lex Fridman Podcast
#428 – Sean Carroll: General Relativity, Quantum Mechanics, Black Holes & Aliens
Sean Carroll
Dark matter, as far as we are hypothesizing it— is a particle of some sort. It's just a particle that interacts with us very weakly. So we know how much of it there is. We know more or less where it is. We know some of its properties. We don't know specifically what it is. But it's not anything fundamentally mysterious. It's a particle. Dark energy is a different story.
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