Related by context. Frequent words. (Click for all words.) 62 Astronauts 61 Spacewalking astronauts 59 astronauts aboard 58 Discovery astronauts 58 International Space Station 56 astronauts 56 shuttle astronauts 56 Endeavour astronauts 55 Spacewalkers 55 shuttle Atlantis 55 space shuttle Discovery 54 shuttle Discovery 53 space shuttle Endeavour 52 Space Shuttle Atlantis 51 orbital outpost 51 Flight controllers 50 Atlantis astronauts 50 spacewalk 50 Space shuttle Discovery 50 orbiting complex 50 CAPE CANAVERAL Fla. 50 commander Peggy Whitson 50 Space Agency 49 space shuttle Atlantis 49 spacewalkers 49 Shuttle commander 49 orbiting outpost 49 shuttle Endeavour 49 lunar orbiter 48 Space Shuttle Endeavour 48 Mike Fincke 48 Space shuttle Endeavour 48 spacecraft 48 Nasa 48 space shuttle 48 Space Shuttle Discovery 48 astronaut 48 aboard Endeavour 47 Wakata 47 Shuttle Discovery 47 Yurchikhin 47 orbiting 47 spacemen 46 NASA 46 spacewalks 46 orbiting laboratory 46 Shuttle Endeavour 46 Mission Control 46 Space shuttle Atlantis 46 KENNEDY SPACE CENTER 45 crewmates 45 Andrew Feustel 45 Phoenix lander 45 Shuttle Atlantis 45 Hubble Space Telescope 45 Padalka 45 Soyuz rocket 45 Russian cosmonauts 45 Alpha Magnetic Spectrometer 45 Russian cosmonaut 45 CAPE CANAVERAL 45 Krikalev 45 spacewalking astronauts 45 Apollo astronauts 45 Soichi Noguchi 45 Alan Poindexter 45 Fincke 45 Mission Specialists 45 Caldwell Dyson 45 Nicole Stott 44 robotic arm 44 SPACE CENTER Houston 44 Lopez Alegria 44 Daniel Tani 44 astronaut Sunita Williams 44 Space Station 44 unmanned spacecraft 44 Cassini spacecraft 44 Fuglesang 44 NASA astronaut 44 shuttle robotic arm 44 cosmonauts 44 orbiter 44 Astronomers 44 spacewalking astronaut 44 Tracy Caldwell Dyson 43 Flight Engineer 43 Michael Lopez Alegria 43 Foale 43 Spirit rover 43 ammonia coolant 43 undocked 43 spacesuits 43 orbit 43 Malenchenko 43 orbiting spacecraft 43 Mark Polansky 43 blastoff 43 orbiting lab 43 Christer Fuglesang 43 Kaleri