This special edition of Apollo in Perspective marks the 50th anniversary of the Apollo 11 moon landings in 1969. Updated and revised throughout, it takes a retrospective look at the Apollo space program and the technology that was used to land a man on the Moon. In addition there is a new chapter looking forward to the future of contemporary spaceflight in returning to the Moon (project Artemis) and going on to Mars. Using simple illustrations and school-level mathematics, it explains the basic physics and technology of spaceflight, from how rockets work to the dynamics of orbits and how to simulate gravity in a rotating spacecraft. A mathematical appendix shows how some of the formulas can be derived. This is an excellent introduction to astronautics for anyone interested in space and spaceflight. Features: Accessible, written in a friendly and informal style Contains real world examples and case studies Updated throughout, with new chapters on the Apollo missions and the immediate future of human spaceflight.