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Insight, analysis and expert debate as key policy makers are challenged on the latest news stories. From BBC Radio 4's Today programme

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What do we know about black holes?

January 26th, 2016

Episode 807 of 1347 episodes

This morning Radio 4 will air the first of Professor Stephen Hawking’s two Reith lectures - he will focus on the history of black holes. Dr Karen Masters, astronomer at Portsmouth University's Institute of Cosmology and Gravitation explained to presenter Sarah Montague how our understanding of black holes has developed.

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