Related by context. Frequent words. (Click for all words.) 62 Shuttle astronauts 60 Endeavour astronauts 60 Atlantis astronauts 60 space shuttle Discovery 60 shuttle Discovery 60 Discovery astronauts 59 orbiting complex 59 Spacewalking astronauts 58 shuttle Atlantis 58 Soyuz rocket 57 shuttle astronauts 57 Space shuttle Atlantis 57 Astronauts aboard 56 aboard Endeavour 55 shuttle Endeavour 55 International Space Station 54 Shuttle Discovery 54 Space Shuttle Endeavour 54 spacewalkers 54 space shuttle Endeavour 54 Space Shuttle Discovery 54 spacewalk 54 Shuttle Atlantis 54 Caldwell Dyson 53 space shuttle Atlantis 53 spacewalking 53 Shenzhou VII 53 Space Shuttle Atlantis 53 astronauts 53 Spacewalkers 53 Robert Behnken 53 BAIKONUR Kazakhstan 52 Space shuttle Discovery 52 spacewalking astronauts 52 spacewalks 51 Kazakh steppe 51 Shuttle Endeavour 51 Harmony module 51 Space shuttle Endeavour 51 Rick Mastracchio 51 Yurchikhin 51 spacecraft 51 orbiting outpost 51 Nicole Stott 50 Astronauts 50 Tracy Caldwell Dyson 50 space shuttle 50 orbiting spacecraft 50 Soyuz capsule 50 orbital outpost 49 shuttle robotic arm 49 Endeavour 49 Soyuz spacecraft 49 Baikonur cosmodrome 49 Shenzhou VI 49 Russian Soyuz capsule 49 Hubble Space Telescope 49 Soyuz TMA 48 Mission Specialists 48 CAPE CANAVERAL Fla. 48 Andrew Feustel 48 orbiter 48 lunar orbiter 48 orbiting lab 48 Lee Archambault 48 EDWARDS AIR FORCE BASE 48 Russian cosmonauts 48 NASA 48 astronauts aboard 47 unmanned spacecraft 47 orbiting laboratory 47 Russian Soyuz spacecraft 47 ammonia tank 47 Daniel Tani 47 Satish Dhawan Space 47 robotic spacecraft 47 crewmates 47 Mike Suffredini 47 Yang Liwei 47 Gregory Chamitoff 47 Soyuz craft 47 Peggy Whitson 47 robotic arm 46 Mike Fincke 46 astronaut 46 Padalka 46 spaceship 46 Alpha Magnetic Spectrometer 46 orbiting 46 spacewalker 46 Baikonur Cosmodrome 46 shuttle 46 undocking 45 Phoenix lander 45 Garrett Reisman 45 Malenchenko 45 Orion spacecraft 45 CAPE CANAVERAL 45 manned spacecraft 45 Sturckow 45 KENNEDY SPACE CENTER