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The Documentary

BBC World Service

News & Politics, Society & Culture, History

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History 24
Society & Culture 70

The best of BBC World Service documentaries and other factual programmes.

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The Great Space Hunt

June 25th, 2014

Episode 678 of 1365 episodes

With the power of nuclear weapons and the potential to wipe out life on Earth, asteroids hit Earth more frequently than you'd think. Meet the volunteers monitoring the skies.

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