Related by context. Frequent words. (Click for all words.) 69 robotic arm 62 shuttle robotic arm 61 International Space Station 55 payload bay 55 Space Shuttle Endeavour 55 Space Shuttle Atlantis 55 Dextre 55 orbital outpost 54 truss segment 54 Space Station 53 spacewalkers 53 Space Agency 53 Spacewalkers 51 spacecraft 51 spacewalking astronauts 51 lander 50 shuttle Atlantis 50 orbiting laboratory 50 spacewalk 50 Space Shuttle Discovery 50 Yurchikhin 50 spacewalks 50 Atlantis astronauts 49 shuttle astronauts 49 orbiter 49 orbiting outpost 49 astronauts 49 Soyuz capsule 49 docking port 48 JWST 48 Soyuz 48 space shuttle Discovery 48 Discovery astronauts 47 orbiting 47 Soyuz rocket 47 Flight Engineer 47 Stefanyshyn Piper 47 Robonaut 47 Astronauts 47 spacewalking 47 Daniel Tani 47 robot 47 Endeavour astronauts 47 Kibo 47 docking 47 Soichi Noguchi 47 Russian Soyuz 47 shuttle Discovery 47 undocked 46 Shuttle Discovery 46 Fuglesang 46 Huygens probe 46 Soyuz TMA 46 Curbeam 46 rotary joint 46 Fincke 46 shuttle Endeavour 46 NASA Space Shuttle 46 lunar orbit 46 Endeavour 46 astronauts aboard 45 ISS 45 HTV 45 crewmates 45 lunar lander 45 Vinogradov 45 gyroscope 45 lunar module 45 Padalka 45 astronaut 45 truss 45 geostationary orbit 45 Soyuz spacecraft 45 NASA astronaut 45 orbiting lab 45 spacewalker 45 Tracy Caldwell Dyson 45 Russian Soyuz spacecraft 44 ammonia tank 44 aboard Endeavour 44 solar arrays 44 Shuttle Atlantis 44 Shuttle Endeavour 44 space shuttle Endeavour 44 robotic 44 rover 44 Orbiter 44 Mastracchio 44 undock 43 Agency JAXA 43 spacecrafts 43 Orbital Sciences Corporation 43 Huygens 43 shuttle 43 manned spacecraft 43 undocking 43 Robonaut 2 43 unmanned spacecraft 43 Baikonur Cosmodrome 43 Hubble Space Telescope 43 Payload