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Horizon

2016

Episode 4: Oceans of the Solar System

Duration: 17 minutes

on BBC Four HD

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 HD

About BBC Four

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.