If annotations aren't working use the links below! CGPGrey: https://www.youtube.com/watch?v=rNu8XDBSn10 /Tom: null Where's My Challenge: null History of our solar system: http://en.wikipedia.org/wiki/Solar_nebula Earth and Theia Collision animation: https://www.youtube.com/watch?v=IO45ZiGql8E Theia: http://en.wikipedia.org/wiki/Theia_%28planet%29#Theia Collecting Moon Rocks raw video: https://www.youtube.com/watch?v=WJTgc7w8wf0 Plate Techtonics through time: https://www.youtube.com/watch?v=NYbTNFN3NBo Pangea vid 1: https://www.youtube.com/watch?v=RuScA58BgRE Other supercontinents in history: http://en.wikipedia.org/wiki/Supercontinent