Related by context. Frequent words. (Click for all words.) 53 Endeavour astronauts 50 spacewalking partner 50 Discovery astronauts 49 Endeavour belly 48 undocking 48 orbiter 48 Shuttle Discovery 48 shuttle astronauts 47 shuttle Discovery 47 Shuttle astronauts 47 undocked 46 Endeavour 46 payload bay 46 backflip 46 Space Shuttle Atlantis 45 spacewalk 45 spacewalkers 45 spacewalking astronauts 45 Kibo 44 Atlantis astronauts 44 Parazynski 44 Rick Mastracchio 44 space shuttle Discovery 44 orbiting complex 44 shuttle robotic arm 44 orbiting outpost 44 Stefanyshyn Piper 44 shuttle Atlantis 44 Commander Eileen 44 space shuttle Atlantis 44 robotic arm 44 Shuttle Atlantis 43 spacecraft 43 Launch Pad #A 43 Space Shuttle Discovery 43 lunar orbit 43 nerzog 43 orbiting shuttle 43 heat shield 43 commander Peggy Whitson 43 Shenzhou VII 43 Space shuttle Discovery 43 Wakata 42 shuttle Endeavour 42 Spacewalkers 42 Mission Specialists 42 triple toe loop 42 Orion spacecraft 42 JAXA 42 lander 42 commander Rick Sturckow 42 Space Shuttle Endeavour 42 Soyuz rocket 42 Yurchikhin 42 Peggy Whitson 42 Shuttle Launch 42 Shuttle Endeavour 41 Zamka 41 Curbeam 41 spacewalks 41 double axel 41 Krikalev 41 Soyuz capsule 41 liftoff 41 International Space Station 41 Harmony module 41 Republican Newsroom 41 lunar orbiter 41 EXTENDED First 41 Hoshide 41 Mike Suffredini 41 Dextre 41 orbiting lab 40 Spirit rover 40 toe loop 40 Itokawa 40 aboard Endeavour 40 Caldwell Dyson 40 orbit 40 space shuttle Endeavour 40 thermal tile 40 triple lutz 40 blastoff 40 Double McTwist 40 shuttle missions 40 orbital outpost 40 Sensing Satellite 40 Contributed Story # 40 Andrew Feustel 40 undock 40 X #A 40 Soyuz spacecraft 40 Robert Behnken 40 triple Axel 40 Satish Dhawan Space 40 Soyuz TMA 40 docking 40 Space shuttle Endeavour 40 Automated Transfer Vehicle 40 spacewalking 39 ammonia coolant