Impact with a body called Theia 4.5 billion years ago left remnants deep inside Earth — and also created the Moon. Impact with a body called Theia 4.5 billion years ago left remnants deep inside Earth — and also created the Moon.
4 5 billion years ago, another planet crashed into Earth We may have found its leftovers nationalgeographic.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from nationalgeographic.com Daily Mail and Mail on Sunday newspapers.