Space. The final frontier. These are the voyages of the starship Enterpri…. oh shit sorry. Got a little distracted there. But really, space is absolutely fascinating. It’s no wonder some of our most beloved movies and TV shows take place there. The study of the universe is infinitely expanding, just like the universe itself. Think you know it all? Think again. Here are a few lesser-known facts you probably didn’t learn in 8th grade Earth science.