The Traveler's Guide to Space - For One-Way Settlers and Round-Trip Tourists

Neil F. Comins is professor of physics and astronomy at the University of Maine. His books include Discovering the Universe, tenth edition (2014), What If the Earth Had Two Moons? (2010), Heavenly Errors: Misconceptions About the Real Nature of the Universe (Columbia, 2003), and What If the Moon Didn't Exist? (1993).