Dr Stuart Clark is a science writer and journalist with a PhD in astrophysics. He is a Fellow of the Royal Astronomical Society and his latest book, Beneath the Night: How the Stars Have Shaped the History of Humankind is out now in paperback. Order signed and dedicated copies of Robin's new book The Importance of Being Interested: Adventures in Scientific Curiosity at cosmicshambles.com/shop Support The Cosmic Shambles Network at patreon.com/cosmicshambles