Related by context. Frequent words. (Click for all words.) 66 Harmony module 64 Discovery payload bay 64 shuttle payload bay 62 Alpha Magnetic Spectrometer 61 orbiting complex 61 International Space Station 59 payload bay 58 Spacewalkers 58 orbiting outpost 58 truss segment 57 shuttle Atlantis 57 spacecraft 57 Canadarm2 56 orbital outpost 56 Automated Transfer Vehicle 56 orbiting laboratory 55 Two spacewalking astronauts 55 Gregory Chamitoff 55 Kibo 55 Soyuz rocket 55 robotic arm 54 payload 54 lander 54 ammonia tank 54 orbital module 54 Spacewalking astronauts 54 Shuttle astronauts 54 Nicole Stott 54 orbiter 54 Baikonur Kazakhstan 54 docking port 54 Discovery astronauts 54 Endeavour astronauts 53 lunar lander 53 Dragon capsule 53 Oleg Kononenko 53 orbiting observatory 53 payloads 53 Space Station 53 ammonia coolant 52 shuttle Discovery 52 ISS 52 shuttle astronauts 52 Japanese astronaut Koichi 52 spacewalking astronauts 52 stowage 52 Shuttle Atlantis 52 shuttle robotic arm 51 Shuttle Endeavour 51 Orion spacecraft 51 Japan Kibo lab 51 Space Shuttle Atlantis 51 Kibo lab 51 EVAs 51 spacewalkers 51 Space Agency 51 Robonaut 2 51 Taurus XL rocket 50 aboard Endeavour 50 spacewalk 50 Greg Chamitoff 50 spacewalks 50 Atlantis astronauts 50 Shuttle Discovery 50 Mission Specialists 50 Orion capsule 50 shuttle Endeavour 50 Hubble servicing 50 Zamka 50 Thomas Reiter 50 Soyuz capsule 50 space shuttle Endeavour 50 space shuttle Discovery 50 Piers Sellers 50 space shuttle Atlantis 50 Krikalev 50 ExoMars 49 compartment 49 Space Shuttle Endeavour 49 Stardust spacecraft 49 solar arrays 49 orbiting lab 49 Lyndin 49 astronauts 49 Dragon spacecraft 49 Daniel Tani 49 geosynchronous orbit 49 Padalka 49 Frank De Winne 49 Astronauts aboard 49 airlock 48 orbiting 48 undocked 48 orbiters 48 spacesuits 48 Astronauts 48 lunar orbit 48 Lee Archambault 48 Yurchikhin 48 named Kibo 48 Soyuz