Related by context. Frequent words. (Click for all words.) 49 Space Shuttle Atlantis 48 geostationary orbit 48 Shuttle Discovery 48 Shuttle Endeavour 47 orbit 47 SpaceX Falcon 9 47 lunar orbit 47 geosynchronous orbit 46 Shenzhou V 46 Space Shuttle Endeavour 46 circular orbit 46 Shenzhou VI 46 Dragon capsule 46 Taurus XL rocket 45 Shenzhou VII 45 Space Shuttle Discovery 45 New Horizons spacecraft 45 polar orbit 45 GOCE 45 Soyuz 44 geostationary 44 Flight Readiness 43 elliptical orbit 43 Chandrayan 43 Baikonur Kazakhstan 43 spacecraft 43 Shuttle Atlantis 42 Automated Transfer Vehicle 42 Stardust spacecraft 42 unmanned lunar 41 Space shuttle Endeavour 41 Spacewalk 41 Chandrayaan 41 Jiuquan Satellite Launch 41 Russian Soyuz TMA 41 Shuttle astronauts 41 orbiting telescope 41 COROT 41 Launch Vehicle 41 Space shuttle Discovery 41 Baikonur Cosmodrome 40 Ares IX 40 orbiter 40 Russian Soyuz spacecraft 40 SuitSat 40 Chang'e 40 Earth orbit 40 orbits 40 perigee 40 Orbiting 40 International Space Station 40 Ariane rocket 40 Space Station 40 undock 40 Baikonur space 39 Launch Pad #A 39 unmanned spacecraft 39 ISS 39 Space shuttle Atlantis 39 Spacecraft 39 space shuttle Discovery 39 pad #A 39 Malenchenko 39 Comet Tempel 1 39 Dragon spacecraft 39 Kaleri 39 lunar orbiter 39 spaceplane 38 suborbital flight 38 Orbiter 38 Soviet cosmonaut Yuri Gagarin 38 Soyuz TMA 38 Kourou French Guiana 38 Polar Satellite Launch 38 undocked 38 manned spacecraft 38 Soyuz craft 38 JAXA 38 Cassini Huygens 38 Russian Soyuz 38 lunar probe 38 Soyuz spacecraft 38 Mars orbiter 38 Mars Pathfinder 38 Hayabusa 38 Padalka 37 Red Planet 37 Soyuz capsule 37 Orion spacecraft 37 Ariane 5 37 robotic spacecraft 37 ringed planet 37 AEHF 37 Russian Soyuz rocket 37 Discovery payload bay 37 Space Shuttle Program 37 Isro 37 Russian leased Baikonur 37 commander George Zamka 37 LCROSS 36 Yurchikhin