Related by context. Frequent words. (Click for all words.) 55 Baikonur Kazakhstan 54 Soviet cosmonaut Yuri Gagarin 50 Soyuz rocket 48 Baikonur Cosmodrome 46 Baikonur space 46 Baikonur cosmodrome 46 lunar orbiter 45 Fyodor Yurchikhin 45 Shenzhou VII 45 Russian leased Baikonur 45 Russian cosmonauts 44 Yang Liwei 44 So yeon 44 International Space Station 44 Soyuz TMA 44 Discovery payload bay 44 Space Shuttle Atlantis 44 Russian Soyuz spacecraft 44 orbit 44 Soyuz spacecraft 43 astronaut Yang Liwei 43 unmanned lunar 43 Yuri Gagarin 43 manned spacecraft 43 unmanned spacecraft 43 Satish Dhawan Space 43 Nicole Stott 43 lunar probe 43 Russian Soyuz capsule 42 Polar Satellite Launch 42 Space Shuttle Discovery 42 astronaut Sunita Williams 42 Greg Chamitoff 42 Peggy Whitson 42 Shenzhou VI 42 Shenzhou V 42 Japanese astronaut Koichi 42 commander Peggy Whitson 42 lunar orbit 42 Japanese astronaut Soichi 41 space shuttle Discovery 41 orbiting 41 chief Anatoly Perminov 41 NASA astronaut 41 Jiuquan Satellite Launch 41 Sriharikota 41 Space Agency 41 astronauts 41 Dennis Tito 40 shuttle Atlantis 40 blastoff 40 Xichang Satellite Launch 40 cosmodrome 40 cosmonauts 40 space shuttle Endeavour 40 spacecraft 40 Shuttle Discovery 40 Anousheh Ansari 40 Soyuz craft 40 MOJAVE Calif. 40 remote sensing satellite 40 Soyuz capsule 39 Shenzhou 39 cosmonaut 39 Soyuz 39 Edwin Buzz Aldrin 39 Piers Sellers 39 Michael Foale 39 shuttle Discovery 39 Automated Transfer Vehicle 39 taikonauts 39 spaceship 38 Anatoly Perminov 38 orbital module 38 Shuttle Endeavour 38 Rick Mastracchio 38 Space Shuttle Endeavour 38 lunar surface 38 astronaut 38 Arkalyk 38 Wakata 37 orbiter 37 robotic spacecraft 37 Roskosmos 37 Kazakhstan 37 Interfax AVN 37 NASA Kepler 37 remote sensing satellites 37 shuttle Endeavour 37 Endeavour astronauts 36 Russian Soyuz 36 spacemen 36 Cassini Huygens 36 Jiuquan 36 James Doohan 36 Chang'e 35 JAXA 35 spacecrafts 35 space shuttle 35 Discovery astronauts 35 moon