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Do We Live Inside A Black Hole… And Could We? (Narration Only)

Science & Futurism with Isaac Arthur

00:00

Why Isn't the Universe a Black Hole?

A long time ago, our galaxy used to be a lot smaller. The universe would have been even smaller than an atomic nuclei back then. Why wasn't it a black hole? And if it was, why didn't it stay one? We don't actually know how the Big Bang happened but we can see the universe getting smaller, denser, and warmer as we look further away.

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