What Happened At the Very Beginning? | Q&A 461

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What does matter and antimatter annihilate into? How do we know what happened before the CMB? Is outer space dirty? And in Q&A+, initial thoughts about Seestar S50 pro.

00:00 Intro
00:48 [@SirIke49] What do matter and antimatter annihilate into?
05:00 [@nitstyles13] How do we know what happened before the CMB?
12:36 [@Wackyg6] Question from a 6 yr old. Is outer space dirty?
15:17 Final thoughts


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