Related by context. Frequent words. (Click for all words.) 58 astronaut 56 NASA astronaut 54 International Space Station 54 Nicole Stott 52 Space Shuttle Endeavour 50 astronauts 50 space shuttle Discovery 49 Astronaut 49 Shuttle Endeavour 49 orbiting laboratory 48 astronaut Sunita Williams 48 Space Shuttle Discovery 48 astronaut Buzz Aldrin 48 Lee Archambault 48 Krikalev 47 Mission Specialists 47 Shuttle Atlantis 46 Flight Engineer 46 Space Shuttle Atlantis 46 Lopez Alegria 46 aboard Endeavour 46 shuttle Endeavour 46 Space Agency 46 Tracy Caldwell Dyson 46 Mark Polansky 46 shuttle Atlantis 46 cosmonaut 45 Shuttle commander 45 Canuck 45 Fincke 45 Russian Soyuz rocket 45 Space shuttle Discovery 45 Douglas Wheelock 45 space shuttle Endeavour 45 Winnipegger 45 Andrew Feustel 45 shuttle Discovery 45 Sunita Williams 45 Canadarm 44 Endeavour 44 Shuttle Discovery 44 Canadian 44 Space Station 44 NASA 44 Caldwell Dyson 44 Russian cosmonaut 44 Russian cosmonauts 44 Anousheh Ansari 44 spacewalking 44 Soyuz rocket 44 Prime Minister Stephen Harper 44 Michael Lopez Alegria 44 Russian Soyuz spacecraft 44 space shuttle 44 spacewalker 43 orbiter 43 space shuttle Atlantis 43 Astronauts 43 Daniel Tani 43 Soyuz capsule 43 spaceflight 43 Wakata 43 Space shuttle Endeavour 43 crewmates 42 shuttle missions 42 William Shatner 42 Calgarian 42 lunar orbiter 42 Mike Fincke 42 cosmonauts 42 shuttle astronauts 42 Foale 42 Soyuz craft 42 manned spacecraft 42 Padalka 42 commander Peggy Whitson 42 Buzz Aldrin 42 spacecraft 41 spacewalks 41 Russian Soyuz 41 Fuglesang 41 Justin Trudeau 41 orbiting 41 unmanned spacecraft 41 Thirsk 41 Nasa 41 robotic arm 41 Russian Soyuz capsule 41 lander 41 Yurchikhin 41 BAIKONUR Kazakhstan 41 Phoenix lander 41 Kopra 41 Garneau 41 Soyuz 41 Dextre 40 Darryl Dyck 40 Apollo astronauts 40 Baikonur Cosmodrome 40 commander Rick Sturckow 40 Canadian Forces