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What the Big Bang Means for the Beginning of Time

PBS Space Time · Explainer · 14 min · 2019 · YouTube title: Did Time Start at the Big Bang?
Why it's here

Used as a go-to reference for cosmology questions about the beginning of time and the universe's scale.

What it covers

A PBS Space Time episode asking whether time began at the Big Bang. It explains that the Big Bang is not what most people were taught and what 'start' of the universe really means.