Related by context. Frequent words. (Click for all words.) 68 Wakata 61 Garrett Reisman 61 astronaut 61 International Space Station 60 Soichi Noguchi 60 Malenchenko 60 aboard Endeavour 59 Flight Engineer 59 Thomas Reiter 58 Foale 58 Sunita Williams 57 Tracy Caldwell Dyson 57 Daniel Tani 57 spacewalk 57 Padalka 57 NASA astronaut 57 spacewalks 56 Endeavour astronauts 56 orbiting laboratory 55 Oleg Kotov 55 Yurchikhin 55 astronauts 55 shuttle astronauts 54 Fincke 54 orbital outpost 54 Spacewalkers 54 Mike Fincke 54 Astronauts 53 Fuglesang 53 shuttle Atlantis 53 shuttle Endeavour 53 Lopez Alegria 53 Astronaut 52 Chamitoff 52 Space Shuttle Endeavour 52 astronaut Sunita Williams 52 Kopra 52 Russian Soyuz spacecraft 52 spacewalker 51 orbiting outpost 51 shuttle Discovery 51 Space Shuttle Discovery 51 Shuttle Endeavour 50 orbiting lab 50 Soyuz capsule 50 cosmonaut 50 cosmonauts 50 Mastracchio 50 Robonaut 2 50 spacemen 50 Discovery astronauts 50 space shuttle Discovery 50 Space Station 49 Japan Aerospace Exploration 49 Spacewalk 49 Michael Lopez Alegria 49 shuttle missions 49 John Grunsfeld 49 spacewalking 49 Atlantis astronauts 48 spacewalkers 48 Shuttle Discovery 48 ISS 48 Soyuz rocket 48 Space Shuttle Atlantis 48 Shuttle Atlantis 48 Russian cosmonauts 48 Dennis Tito 48 Soyuz 47 space shuttle Endeavour 47 JAXA 47 Kibo 47 ammonia tank 47 Russian Soyuz rocket 47 Baikonur Cosmodrome 47 Russian cosmonaut 46 Fossum 46 Noguchi 46 Space shuttle Discovery 46 Richard Garriott 46 Tani 46 spacewalking astronauts 46 spaceman 46 Curbeam 46 Soyuz TMA 45 Garan 45 Kotov 45 Danny Olivas 45 zero gravity 45 NASA Space Shuttle 45 Shuttle commander 45 spacesuits 45 airlock 45 Endeavour 45 Soyuz spacecraft 45 Stefanyshyn Piper 45 Russian Soyuz 45 space shuttle Atlantis 45 undock 44 Tyurin 44 Space Agency