Related by context. Frequent words. (Click for all words.) 77 Shenzhou VII 71 Shenzhou VI 66 Shenzhou 64 Yang Liwei 63 Jiuquan 63 astronaut Yang Liwei 62 manned spacecraft 61 taikonauts 61 International Space Station 60 lunar orbiter 59 spacecraft 59 Space Shuttle Atlantis 59 Soyuz rocket 59 Space Shuttle Endeavour 59 Space Shuttle Discovery 58 Discovery payload bay 57 orbiter 56 Baikonur Cosmodrome 56 Lyndin 56 Baikonur space 55 Shuttle Discovery 55 lunar probe 55 orbit 55 unmanned spacecraft 55 orbiting complex 55 Kazakh steppe 55 orbiting laboratory 55 space shuttle Discovery 55 Astronauts aboard 54 Shuttle astronauts 54 shuttle Atlantis 54 astronauts 54 Automated Transfer Vehicle 54 spacewalk 54 Russian leased Baikonur 54 shuttle payload bay 54 Satish Dhawan Space 53 blastoff 53 lunar orbit 53 Soyuz 53 shuttle Discovery 53 space shuttle Endeavour 53 Sriharikota 53 Chang'e 53 Soyuz spacecraft 52 orbital outpost 52 Soyuz TMA 52 manned spaceflight 52 spaceship 52 Baikonur cosmodrome 52 Soyuz craft 52 Space shuttle Atlantis 52 Space shuttle Discovery 51 Soyuz capsule 51 Malenchenko 51 Kourou French Guiana 51 Endeavour astronauts 51 cosmodrome 51 space shuttle Atlantis 51 Astronauts 51 Discovery astronauts 51 Roskosmos 51 spacecrafts 51 Polar Satellite Launch 51 Atlantis astronauts 50 Russian Soyuz spacecraft 50 Dragon spacecraft 50 Tracy Caldwell Dyson 50 payload bay 50 Krikalev 50 shuttle Endeavour 50 orbiting 50 Russian Soyuz capsule 50 Perminov 50 Kaleri 49 cosmonauts 49 Shuttle Endeavour 49 Zhai 49 cosmonaut 49 Peggy Whitson 49 rover Opportunity 49 Yurchikhin 49 commander Peggy Whitson 49 Russian cosmonaut 49 Harmony module 49 Russian Soyuz rocket 49 Leroy Chiao 49 Shuttle Atlantis 49 Nicole Stott 49 lunar surface 49 BAIKONUR Kazakhstan 49 aboard Endeavour 49 Launch Pad #A 49 Spacewalking astronauts 48 spacewalking 48 Hoshide 48 liftoff 48 Frank De Winne 48 undocked 48 Yuri Gagarin 48 Space shuttle Endeavour