Theia

Theia Is A Planet That Collided With Proto Earth And Theia Is A Mars Sized Planet Story: Theia Was Just A Normal Planet But Then Its Got Kicked Out Of Its Orbit Heading For Proto Earth And Then When Theia And Proto Earth Collided A Big Explosion Happens Then A Few Years Proto Earth Gets Renamed To Earth And Also Rings Are Formed Earth Still Is A Lava Planet But Then Debris From The Ring Collides Until It Became Proto Moon After A Few Years Proto Moon Is Renamed Moon