Related by context. Frequent words. (Click for all words.) 61 Orbiting Carbon Observatory 60 spacecraft 57 Space Shuttle Atlantis 57 orbiter 56 Ares IX 56 booster rocket 55 solid rocket boosters 55 Satish Dhawan Space 55 unmanned spacecraft 55 Atlas V 54 Baikonur Cosmodrome 54 Dragon spacecraft 54 Discovery payload bay 54 Space Shuttle Endeavour 54 Orion spacecraft 54 Soyuz rocket 54 rocket booster 53 cryogenic engine 53 Cape Canaveral Fla. 53 Vandenberg Air Force Base 53 booster rockets 53 Launch Complex 53 robotic spacecraft 53 Orbiter 52 Orion capsule 52 Orbital Sciences 52 rocket boosters 52 shuttle payload bay 51 Jet Propulsion Laboratory JPL 51 Orbital Sciences Corp. 51 Cassini orbiter 51 liftoff 51 Space Shuttle Discovery 51 External Tank 51 rover Opportunity 51 PSLV 51 TacSat 51 Orbital Sciences Corporation 51 Ariane 5 51 Cape Canaveral Air Force 51 rocket 50 Kourou French Guiana 50 Baikonur cosmodrome 50 interceptor missile 50 Launch Pad #A 50 orbiting shuttle 50 field Infrared Survey 50 Baikonur space 50 Sensing Satellite 50 payload 50 lander 50 Huygens probe 50 Xichang Satellite Launch 50 GSLV 50 LCROSS 49 Polar Satellite Launch 49 Harmony module 49 orbit 49 liquid oxygen 49 impactor 49 orbiting spacecraft 49 Russian Soyuz rocket 49 Sriharikota 49 Ares rocket 49 Soyuz capsule 48 space shuttle Discovery 48 Soyuz craft 48 geostationary 48 orbiting observatory 48 scramjet 48 space shuttle Endeavour 48 Spacecraft 48 lunar orbit 48 Lunar Crater Observation 48 infrared telescope 48 lunar orbiter 48 Lyndin 48 GOCE 48 spaceship 48 X #A 48 Automated Transfer Vehicle 48 thruster 48 geostationary orbit 48 JAXA 48 spacecrafts 48 Shuttle Discovery 47 lunar lander 47 CloudSat 47 shuttle Discovery 47 polar orbit 47 shuttle Challenger 47 Russian leased Baikonur 47 Phoenix Mars Lander 47 geosynchronous orbit 47 orbital module 47 VANDENBERG AIR FORCE BASE 47 SpaceShipTwo 47 shuttle Atlantis 47 lunar module 47 Ares V 47 Sea Launch