Space traveller Trevor Beattie joins Sue Nelson and Richard Hollingham to describe his obsession with space and flight in Virgin Galactic's space plane. The Space Boffins also discuss NASA's new Moonbase plans and Richard chats to rocket scientist Helen Lewin about the incredible RS-25 rocket. Like this podcast? Please help us by <a href="https://www.thenakedscientists.com/donate">supporting the Naked Scientists</a>