Launch Vehicles |
Common terms and phrases
22 minutes achieve an orbit aerodynamic Agena B stage Altair apogee Apollo program arate Astronaut Atlas Atlas D Atlas-Agena Atlas-Centaur ballistic missile become operational capable Centaur center engine circular coast period Delta develop docking earth orbit Earth satellites earth-orbital flights engine cutoff engine cuts engines burn excluding fins feet high less feet in diameter Fuel Tank fully operational Gemini Gordon Cooper guidance system H-I engines high-energy liquid hydrogen ignition jets Launch Vehicle Program less the spacecraft Liquid Oxygen lunar Mercury MERCURY-ATLAS miles modified module NASA launch National Launch Vehicle Orbiting Solar Observatory payload perigee pounds of thrust powered flight propellants propulsion system Ranger Re-entry reliable restart rocket satellite missions Saturn IB scientific Scout second stage space probes space vehicle Syncom tary Telstar Thor Thor-Agena tinue firing Tiros Titan total thrust trajectory two-stage U.S. Air Force upper stage Vanguard and Thor-Able vehicle consists velocity Venus vernier engines weighing workhorse