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Natural Sciences 162

5 live's science podcast, featuring Dr Karl, plus Dr Chris and Naked Scientists Chris Smith and Kat Arney with the hottest science news stories and analysis.


DrKarl:15 Nov 2012 The roaming planet

November 15th, 2012

Episode 225 of 684 episodes

As Chinese communist party prepares to unveil its new leaders Dr Karl discusses the discovery of the new roaming planet with no star of its own to orbit, and we find out if gravity travels at the speed of light.

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