Many amazing space discoveries have been made over the years, from finding out that the Earth orbits the Sun, to discovering there is a lot more to dwarf planets than we thought... #SpaceWeek2018 #DiscoverySpaceWeek Subscribe to Discovery UK for more great clips: http://www.youtube.com/subscription_center?add_user=DiscoveryTV Follow Discovery UK on Twitter: http://www.twitter.com/DiscoveryUK

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