Myths, theories and the lost planet

Old myths and modern theories about the sky, explained honestly: what each one claims, where it came from, and what science and scholarship actually say. Written for curious people, and for readers of a novel that turns these myths into fiction.

• The Planet Between Mars and Jupiter: Myth or Lost World?Was there once a planet between Mars and Jupiter? Follow the myth of Phaethon and the lost planet idea, and see what science says about the asteroid belt.