Related by context. Frequent words. (Click for all words.) 55 Michael Foale 55 Nicole Stott 54 Krikalev 54 Sandra Magnus 53 cosmonaut 53 Gregory Chamitoff 51 Yurchikhin 50 Soyuz capsule 50 Padalka 49 Flight Engineer 49 Kaleri 48 Andrew Feustel 48 Malenchenko 48 NASA astronaut 48 Russian cosmonauts 48 Russian cosmonaut 48 Peggy Whitson 47 John Grunsfeld 47 Soyuz 47 Daniel Tani 47 Wakata 46 Foale 46 Garrett Reisman 46 Kotov 46 Oleg Kotov 46 Volkov 46 Kononenko 46 Russian Soyuz rocket 45 Anousheh Ansari 45 Gagarin 45 Eric Boe 45 Roskosmos 45 Chamitoff 45 Kopra 45 Tracy Caldwell Dyson 45 Russian Soyuz spacecraft 45 Mission Specialists 45 Edwin Buzz Aldrin 44 Sharipov 44 Soyuz rocket 44 Soyuz craft 44 Tokarev 44 Russian Soyuz capsule 44 Yang Liwei 44 Sunita Williams 44 Doug Wheelock 44 aboard Endeavour 44 Ilan Ramon 44 Lopez Alegria 44 spaceflights 44 Caldwell Dyson 44 Shenzhou VI 43 Yuri Gagarin 43 astronaut 43 cosmonauts 43 Hoshide 43 Soyuz TMA 43 astronaut Sunita Williams 43 International Space Station 43 Vinogradov 43 Thomas Reiter 43 Shenzhou VII 43 Sturckow 43 Tyurin 43 Shukor 43 Mike Fincke 43 commander Peggy Whitson 43 Charles Simonyi 42 Space Shuttle Atlantis 42 Soyuz spacecraft 42 orbiting laboratory 42 Alan Poindexter 42 Douglas Wheelock 42 Christer Fuglesang 42 spaceflight 42 Roscosmos 42 Fuglesang 42 Dennis Tito 42 Russian Soyuz 42 Stephen Frick 41 Robonaut 2 41 Space Agency 41 Michael Lopez Alegria 41 Donald Pettit 41 shuttle Atlantis 41 Lee Archambault 41 Chiao 41 Simonyi 41 NASA Astronaut 41 manned spacecraft 41 Shenzhou 41 spacewalker 41 Shuttle Discovery 41 Christa McAuliffe backup 41 Space Shuttle Discovery 41 spacewalking 40 Shuttle commander 40 spacemen 40 Systems Mission Directorate 40 Fincke 40 shuttle Endeavour