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Horizon

Comet of the Century: A Horizon Special

Duration: 1 hour

on BBC Two Scotland

Once hoped to be the most spectacular comet in a generation, Horizon examines the insights Comet ISON might bring to some of science's greatest mysteries. Show more

BBC Two Scotland

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.