5:37 Expansion of the Universe Explained | Cosmology 101 Episode 1 9:21 Astrophysics and Cosmology: Crash Course Physics #46 1:07 The Birth of the First Atom: The Moment the Universe Created Matter. 1:00 2 Trillion Galaxies? The Mind-Boggling Scale of the Universe Explained 12:28 What Actually Expands In An Expanding Universe? 7:10 Cosmic Microwave Background Explained 7:46 The Axis of Evil (Cosmology) 12:52 Brian Cox on how black holes could unlock the mysteries of our universe 6:46 Our Observable Universe | How the Universe Works 12:48 How Physicists Proved The Universe Isn't Locally Real - Nobel Prize in Physics 2022 EXPLAINED