As the latest Star Wars story hits screens - a tale of young Han Solo and Chewbacca smuggling their way across the galaxy - we sat down with Dr Lee Spitler at the Australian Astronomical Observatory to find out the secrets of the Force. Along the way we talk of the realities of human exploration in space, the ambitions of Elon Musk and Richard Branson, and the cutting-edge research underway between the AAO and Macquarie University to help us make sense of the sublime complexity of the universe.