In this episode, Dr Maggie reveals the game changers of space missions and spacecraft, from the Space Shuttle to the Hubble Space Telescope, that have transformed our lives on Earth and beyond. \n\nDr Maggie’s star guest is Nasa astronaut Kathy Sullivan, who is a game changer herself. She flew in the Space Shuttle three times, delivered Hubble into orbit and was the first American woman to walk in space! \n\nDr Maggie also counts down the Top 5 Most Expensive Missions and all your space questions are answered in Ask Maggie. \n\nBuckle up, it’s time to go Out of This World!