Related by context. Frequent words. (Click for all words.) 66 named Kibo 63 Kibo 61 Kibo lab 60 Discovery payload bay 60 Harmony module 56 International Space Station 55 orbiting complex 54 Alpha Magnetic Spectrometer 53 Spacewalking astronauts 53 Shuttle Endeavour 53 Shuttle Discovery 53 payload bay 53 shuttle payload bay 52 lab Kibo 52 lunar orbiter 52 orbiting outpost 51 JAXA 51 Space Shuttle Atlantis 51 Astronauts aboard 51 Discovery astronauts 51 shuttle Atlantis 51 Space Agency 51 Shuttle Atlantis 51 Japan Kibo lab 51 shuttle Endeavour 51 Shuttle astronauts 50 Phoenix lander 50 Two spacewalking astronauts 50 robotic arm 50 Canadarm2 50 truss segment 50 commander Peggy Whitson 50 Automated Transfer Vehicle 50 spacecraft 50 Hoshide 50 Baikonur Kazakhstan 49 generating solar arrays 49 unmanned lunar 49 orbital outpost 48 Dragon capsule 48 docking port 48 shuttle Discovery 48 orbiter 48 lunar lander 48 Phoenix Mars lander 48 space shuttle Discovery 48 Orion spacecraft 48 Shenzhou VII 48 Spacewalkers 48 space shuttle Endeavour 48 Atlantis astronauts 48 Shenzhou VI 48 GLAST 48 Space Shuttle Endeavour 48 CALIPSO 47 Space Station 47 aboard Endeavour 47 shuttle astronauts 47 Endeavour astronauts 47 solar arrays 47 Soyuz rocket 47 spacewalking astronauts 47 Space shuttle Endeavour 47 Shenzhou V 47 Agency JAXA 47 SpaceX Falcon 9 46 Dan Tani 46 Space Shuttle Discovery 46 orbiting observatory 46 commander George Zamka 46 manned spacecraft 46 Stardust spacecraft 46 Space shuttle Discovery 46 Astronauts 46 Hubble servicing 46 Rick Mastracchio 46 robotic spacecraft 46 lunar probe 45 Ariane rocket 45 Orbiting Carbon Observatory 45 Nasa 45 ExoMars 45 ammonia coolant 45 orbiting 45 humanoid robot 45 COROT 45 New Horizons spacecraft 45 Taurus XL rocket 45 orbiting laboratory 45 Cassini Huygens 45 Kaguya 45 spacewalk 45 lander 45 Gregory Chamitoff 44 Phoenix Mars Lander 44 Endeavour 44 unmanned spacecraft 44 NASA 44 astronauts 44 orbital module 44 Flight controllers