/// MISSION BRIEFING

Join narrator Patrick Stewart on a sweeping journey through Earth's fascinating history -- from the formation of ancient, geological artifacts to the modern exploration of the moon. The film is a storehouse of facts you probably didn't know. For instance, more than 18,000 meteorites strike Earth each year; it's 3,000 degrees four miles below Earth's surface; and Mount Everest's peak was once part of the ocean floor.