Excellent copy with few light scuffs on dust jacket back. Additional Details ------------------------------ Subject keyword: Spacecraft; Propellant; Interstellar travel; Astronomer; Space exploration; Hubble Space Telescope; Spacecraft propulsion; Andromeda Galaxy; Star Drive; Elongation (astronomy); Orbit; Astronaut; 100 Year Starship; Interplanetary mission; Voyager program; Exoplanet; Comet tail; SpaceX; Space telescope; Planet; Star cluster; Gravity of Earth; Uranus; To the Moon; Space Odyssey; Propulsion; Planetary flyby; Dwarf planet; Exploration of Mars; Space Launch System; Outer planets; Space Age; Saturn; Rocket launch; Colonization of Mars; Technology; Antimatter; Voyager 2; Interstellar medium; Mars 2; Photon; Astronomical unit; Interstellar probe; Space vehicle; Orbital spaceflight; Voyager 1; Science fiction; Astronomy; Mars and Beyond; Astrobiology; Project Gemini; Celestial navigation; Alpha Centauri; Intercontinental ballistic missile; Gamma ray; Extraterrestrial intelligence; Newton's law of universal gravitation; Meteoroid; Eris (dwarf planet); Photon rocket; Local Interstellar Cloud; Galactic Center; Rocket propellant; Solar eclipse; Solid-fuel rocket; Astronomical object; Orbital mechanics; Nebula; Trantor; Asteroid belt