Sean Carroll
Sean Carroll
@seancarroll·255K subscribers·590 videos

The Biggest Ideas in the Universe | Q&A 22 - Cosmology

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August 23, 2020

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The Biggest Ideas in the Universe is a series of videos where I talk informally about some of the fundamental concepts that help us understand our natural world. Exceedingly casual, not overly polished, and meant for absolutely everybody.

This is the Q&A video for Idea #22, " Cosmology." We talk mostly about how the Friedmann equation works, and what the Big Bang really means.

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#science #physics #ideas #universe #learning #cosmology #philosophy

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CosmologyThe Biggest IdeasCosmology WeBig BangMy YouTube

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The Biggest Ideas in the Universe | Q&A 22 - Cosmology · Sean Carroll · Sentinel