Sometimes it takes a rocket scientist to offer young readers the most engaging introduction to space travel, the solar system, and the universe. Earth’s gravi

Most amateur astronomers – and many of those with similar interests but who are not currently practising observers – have only a sketchy understanding of sp

Ever wonder how spaceships work? Rocket Science is a tour of the latest in spacecraft technology and planetary exploration by real-life aerospace engineer Andre

NASA is again reorganizing its resources to accomplish its fluctuating missions. The fourth edition of Introduction to Space: The Science of Spaceflight has rec

Teaching text developed by U.S. Air Force Academy and designed as a first course emphasizes the universal variable formulation. Develops the basic two-body and