Spaced Out: Crash Course Kids #25.1
So... how big is the Universe? It's big... really big... no, bigger than that... it's big. In this episode of Crash Course Kids, Sabrina gives us some perspective on this whole Universe thing and how we fit into it. Watch More Crash Course Kids: https://www.youtube.com/user/crashcoursekids ///Standards Used in This Video/// 5-ESS2-1.