Related by context. Frequent words. (Click for all words.) 70 robotic arm 57 Discovery astronauts 57 spacewalkers 57 Endeavour astronauts 54 payload bay 53 Atlantis astronauts 53 spacewalk 52 shuttle astronauts 52 spacewalks 52 Parazynski 51 orbiter 50 spacewalking astronauts 50 shuttle Atlantis 50 International Space Station 49 Space Shuttle Atlantis 49 orbital outpost 49 space shuttle Discovery 49 astronauts 48 Fincke 48 Melroy 48 orbiting outpost 47 shuttle Discovery 47 Hubble Space Telescope 47 spacecraft 47 orbiting lab 47 heat shield 47 shuttle Endeavour 47 spacewalking 46 crewmates 46 shuttle 46 Space Agency 46 Lopez Alegria 46 Space Shuttle Discovery 46 rotary joint 46 truss 46 Soyuz capsule 46 Mission Control 45 lander 45 Soyuz TMA 45 Endeavour 45 Soyuz 45 solar arrays 45 space shuttle Atlantis 45 Baikonur cosmodrome 45 space shuttle Endeavour 45 Dextre 45 spacewalker 44 Astronauts 44 thermal blanket 44 undocking 44 astronauts aboard 44 space shuttle 44 Hubble 44 orbiting laboratory 44 Fossum 43 Space shuttle Endeavour 43 Flight Engineer 42 ROV 42 shuttle missions 42 orbit 42 Kibo 42 Soyuz spacecraft 42 Chamitoff 42 spacesuits 41 forceps 41 NASA 41 orbiters 41 spectrometer 41 Huygens 41 Japan Aerospace Exploration 41 Padalka 41 Wakata 41 docking 41 thermal tiles 41 lunar orbit 41 telescope 40 JAXA 40 astronaut 40 Cape Canaveral Fla. 40 Russian Soyuz 40 Hubble telescope 40 liftoff 40 Space Station 40 rovers 40 Sriharikota 40 ammonia tank 40 thruster 40 Mars Reconnaissance Orbiter 40 Mike Fincke 39 Applied Physics Laboratory 39 Space shuttle Atlantis 39 STS 39 Nasa 39 ISS 39 Orbiter 38 Flight controllers 38 orbiting 38 Baikonur Cosmodrome 38 thrusters 38 Gerstenmaier 38 SpaceShipOne