Stargazing. In this show we talk to the presenters of BBC Stargazing Live: Dara O Briain [03:20 - 18:29], Mark Thompson [19:28 - 34:45] and Professor Brian Cox [35:00 - 50:41]. As always, Dr Tim O'Brien answers your astronomical questions [56:14 - 73:01] and we report on some odds and ends from the world of astronomy
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