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Horizon

2012-2013

Episode 7: The Truth About Meteors: A Horizon Special

Duration: 1 hour

on BBC Four

Professor Iain Stewart explains what meteorites and asteroids are, where they come from, the danger they pose and the role they have played in Earth's history. Show more

BBC Four

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.

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