Apollo in Perspective: Spaceflight Then & Now: Spaceflight Then and Now

This book explains the basic physics and technology of spaceflight and conveys the huge technological strides that have been made. Topics covered include the laws of motion, rocketry, and how to maneuver in orbit. The book also discusses the designs of the Apollo Command, Service and Lunar modules and how these changed as the plans for the manned mission evolved. It proceeds to look at the space shuttle, the technology being developed for its replacement, the International Space Station, and the possibilities for a manned Mars mission. The book concludes with an exploration of the far future, including Mars colonies and journeys to other stars.