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The Documentary

BBC World Service

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

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DocArchive: The Great Space Hunt 25 Jun 2014

June 25th, 2014

Episode 679 of 1485 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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