Maggie Aderin-Pocock, Chris Lintott and George Dransfield are joined by Hannah Fry and Dara Ó Briain of Radio 4's Curious Cases in front of a studio audience to answer viewers' queries about space. Meanwhile, Pete Lawrence turns his eyes to the heavens for a guide to the incredible sights currently lighting up the night sky and offering a glimpse into the mysteries that unfold by simply looking up
