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#137 – Alex Filippenko: Supernovae, Dark Energy, Aliens & the Expanding Universe
Lex Fridman Podcast
The Universe Expanded Like a Point
The universe was not a point at the Big Bang. If it exponentiated and continued in some places to exponentiate, then it could in fact be infinite right now. And by that, if you were trying to use light to measure its size, you'd never be able toMeasure its size because it would always be bigger than the distance light can travel. That's what you get in a universe that's accelerating in its expansion.
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