Related by context. Frequent words. (Click for all words.) 58 spacewalk 55 International Space Station 53 Mike Fincke 53 astronauts 53 Endeavour astronauts 52 shuttle Atlantis 51 shuttle Endeavour 50 Astronauts 50 shuttle astronauts 50 crewmates 50 orbiting outpost 50 space shuttle Endeavour 49 Mark Polansky 49 Mission Control 49 Discovery astronauts 49 Fincke 48 space shuttle Discovery 48 spacewalkers 48 astronaut 48 shuttle Discovery 48 Flight Engineer 48 spacewalks 48 orbiting laboratory 48 Endeavour 48 Malenchenko 48 Space Shuttle Endeavour 47 ISS 47 spacewalking astronauts 47 spacewalking 47 Soyuz capsule 46 Atlantis astronauts 46 Padalka 46 spacewalker 46 Space Shuttle Atlantis 46 Parazynski 45 orbit 45 Space Shuttle Discovery 45 orbiting lab 45 Soyuz TMA 45 astronauts aboard 45 Russian cosmonauts 44 orbiter 44 NASA 44 Nasa 44 orbital outpost 44 space shuttle Atlantis 44 Sunita Williams 44 Space Station 43 aboard Endeavour 43 Shuttle Discovery 43 liftoff 43 Lopez Alegria 43 orbiting 43 Spacewalk 42 undocking 42 Shuttle Endeavour 42 spacecraft 42 NASA astronaut 42 Flight controllers 42 space shuttle 42 Cape Canaveral Fla. 42 Space shuttle Endeavour 42 Sharipov 41 cosmonauts 41 Atlantis 41 Fossum 41 airlock 41 Astronaut 41 spacesuits 41 Wakata 41 undock 41 Soyuz 41 Dextre 40 cosmonaut 40 Feustel 40 robotic arm 40 payload bay 40 shuttle missions 40 Whitson 40 Polansky 39 lander 39 Space Agency 39 Space shuttle Discovery 39 Melroy 39 Russian cosmonaut 39 Eileen Collins 39 Tani 39 Mars rover 39 Thomas Reiter 39 manned spaceflight 39 blastoff 39 spacesuit 39 Suffredini 38 CAPE CANAVERAL Fla. 38 Rick Husband 38 Bresnik 38 Baikonur Cosmodrome 38 crew 38 Gerstenmaier 38 shuttle robotic arm 38 shuttle