Space Travel explains science, to help you make your fiction plausible. You'll engineer your rockets with accurate technical data. Show your characters' physical responses to weightlessness. Know the environment of space, how inhospitable it is - and how it's opening for business. Build an Earth-orbiting habitat for your story's setting. Discover our solar system ... and the staggering immensity of interstellar space. Consider the prospect of near-lightspeed travel. Imagine the conflicts, legal and military, your fictional missions might spark. In this book, you'll see what is real today - and what may become real tomorrow.