Related by context. Frequent words. (Click for all words.) 49 astronaut 46 Daniel Tani 46 Fuglesang 46 spacesuit 46 shuttle Atlantis 45 Space Agency 45 International Space Station 45 spacewalk 45 Schlegel 44 aboard Endeavour 44 Wakata 44 shuttle Endeavour 43 Feustel 43 Astronaut 43 cosmonaut 43 crewmates 43 astronauts 43 Russian cosmonaut 43 commander Rick Sturckow 42 Stefanyshyn Piper 42 payload bay 42 shuttle astronauts 42 Tracy Caldwell Dyson 42 NASA astronaut 42 Thomas Reiter 42 Padalka 41 Endeavour astronauts 41 Shuttle Atlantis 41 Vinogradov 41 Lopez Alegria 41 spacewalking astronauts 41 ammonia tank 41 Soyuz capsule 41 Fincke 40 orbiting outpost 40 space shuttle 40 space shuttle Discovery 40 spacewalker 40 Malenchenko 40 Spacewalkers 40 Flight controllers 40 shuttle Discovery 39 cosmonauts 39 docking port 39 astronauts aboard 39 Roskosmos 39 Garrett Reisman 39 Soyuz rocket 39 spaceship 39 Kibo 39 Tyurin 39 spacewalks 39 spaceman 38 space shuttle Atlantis 38 spacecraft 38 Mission Control 38 lunar lander 38 spacewalkers 38 Space Shuttle Endeavour 38 Russian Soyuz rocket 38 Discovery astronauts 38 astronaut Sunita Williams 38 space shuttle Endeavour 38 orbiting lab 38 Kotov 38 Shuttle Discovery 38 John Grunsfeld 38 Chamitoff 37 Alpha Magnetic Spectrometer 37 Shuttle Endeavour 37 Dextre 37 Ilan Ramon 37 Space Station 37 Spirit rover 37 Yurchikhin 37 Mastracchio 37 Spacewalk 37 spacewalking 37 Grunsfeld 37 Mark Polansky 37 spacemen 37 NASA 37 Cape Canaveral Fla. 36 Kopra 36 spacesuits 36 Astronauts 36 orbital outpost 36 lander 36 Soyuz craft 36 crewmate 36 ISS 36 Atlantis astronauts 36 orbiting laboratory 36 Fossum 36 Perminov 36 Huygens 35 Soichi Noguchi 35 Russian Soyuz spacecraft 35 BAIKONUR Kazakhstan 35 Gagarin 35 Mike Fincke