Related by context. Frequent words. (Click for all words.) 67 Kibo 51 Alpha Magnetic Spectrometer 48 payload bay 48 orbiting outpost 45 truss segment 45 docking port 44 International Space Station 44 orbital outpost 44 Shuttle Endeavour 43 lunar orbiter 42 JAXA 42 spacewalk 41 Spacewalkers 41 Discovery astronauts 41 Shuttle Discovery 41 aboard Endeavour 40 orbiting laboratory 40 orbiting 40 shuttle Endeavour 40 solar arrays 40 spacewalkers 40 spacewalks 39 robotic arm 39 shuttle astronauts 39 Astronauts 39 Endeavour astronauts 39 Space Agency 38 spacewalking astronauts 38 shuttle 38 manned spacecraft 38 Atlantis astronauts 38 astronauts 38 shuttle Atlantis 38 Space Station 38 Soyuz rocket 37 Tracy Caldwell Dyson 37 Soichi Noguchi 37 telescope 37 Shuttle Atlantis 37 petaflop 37 shuttle fleet 37 shuttle Discovery 36 Russian Soyuz spacecraft 36 manned spaceflight 36 fusion reactor 36 shuttle missions 36 Space shuttle Endeavour 35 spectrograph 35 space shuttle Atlantis 35 Soyuz capsule 35 space shuttle 35 spacecraft 35 JWST 35 Shenzhou 35 Orion capsule 35 Space shuttle Discovery 35 space shuttle Endeavour 34 Dextre 34 truss 34 spacecrafts 34 CryoSat 34 Large Hadron Collider 34 space shuttle Discovery 34 Robonaut 2 34 Parazynski 34 unmanned spacecraft 34 ITER 34 atom smasher 34 collider 34 particle accelerator 33 Daniel Tani 33 Wakata 33 ammonia tank 33 lunar landing 33 orbiter 33 spokesman Allard Beutel 33 terabit 33 BAIKONUR Kazakhstan 33 orbiting lab 33 shuttle robotic arm 33 Stefanyshyn Piper 33 astronauts aboard 33 LCROSS 32 Hubble telescope 32 space shuttles 32 orbit 32 spacewalking 32 manned missions 32 ISS 32 cyclotron 32 geosynchronous orbit 31 Deep Impact 31 Space Shuttle Endeavour 31 Space Shuttle Atlantis 31 Russian Soyuz rocket 31 Endeavour 31 NASA 31 Soyuz 31 cosmodrome 31 Yurchikhin 31 spacesuit