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Horizon

2014-2015

Episode 8: Secrets of the Solar System

Duration: 59 minutes

on BBC Two HD

Available for years

Series exploring topical scientific issues. A look at how new planets being discovered are forcing scientists to rewrite the history of our own solar system. Show more

BBC Two HD

About BBC Two

BBC Two is a lively channel of depth and substance, carrying a range of knowledge-building programming complemented by great drama, comedy and arts.