[Q&A+] What Happened At the Very Beginning?

BONUS QUESTION STARTS AT 15:04 Watch the video here (with no ads) or on YouTube: https://youtu.be/XukdOeLfIgQ 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? 15:04 [@HavoJavo] Thoughts on the Seestar s50 pro 17:42 Final thoughts