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Horizon

2016

Episode 4: Oceans of the Solar System

Duration: 17 minutes

on BBC Four

Available for years

Horizon discovers that the hunt for oceans in space is starting a new era in the search for alien life. We used to think that oceans were unique to our planet, but we were wrong. Show more

BBC Four

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BBC Four reflects arts, music and culture with an ambitious range of intellectually and culturally enriching programmes, taking an expert and in-depth approach to its subjects.