Programme Index

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Wonders of the Solar System

Original Series

Episode 3: The Thin Blue Line

Duration: 59 minutes

on BBC Two Wales

Professor Brian Cox reveals how something as flimsy as an envelope of gas - an atmosphere - can create some of the most wondrous sights in the solar system. Show more

BBC Two Wales

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.