Related by context. Frequent words. (Click for all words.) 56 Olivas 55 spacewalk 54 spacewalks 52 Discovery astronauts 51 spacewalkers 50 shuttle Endeavour 49 space shuttle Endeavour 49 Atlantis astronauts 48 shuttle Discovery 48 International Space Station 48 astronauts 48 shuttle Atlantis 47 spacewalking astronauts 47 space shuttle Discovery 46 Flight Engineer 46 orbiting outpost 46 Endeavour astronauts 45 orbiting lab 45 astronaut 44 shuttle astronauts 44 orbital outpost 44 spacesuits 44 spacewalker 44 payload bay 44 orbiting laboratory 43 Soyuz TMA 43 Baikonur Cosmodrome 42 thermal blanket 42 Soyuz capsule 42 spacewalking 42 Space Shuttle Atlantis 42 Padalka 42 Endeavour 42 Fincke 42 NASA astronaut 42 space shuttle Atlantis 41 Space Shuttle Discovery 41 airlock 41 Astronauts 41 Suffredini 41 Space shuttle Atlantis 41 undocking 41 space shuttle 41 astronauts aboard 41 Space shuttle Discovery 40 ammonia tank 40 orbit 40 Gerstenmaier 40 shuttle missions 40 heat shield 39 Mission Control 39 spacesuit 39 orbiter 39 Cape Canaveral Air Force 39 Space shuttle Endeavour 39 undock 39 Tani 39 Astronaut 39 crewmates 38 Fossum 38 Soyuz 38 Dextre 38 spacecraft 38 NASA 38 orbiting 37 Kennedy Space 37 Cape Canaveral Fla. 37 shuttle 37 Parazynski 37 Mike Fincke 37 blastoff 37 robotic arm 37 solar arrays 37 Baikonur cosmodrome 37 solid rocket boosters 37 Chamitoff 37 liftoff 36 Spacewalk 36 STS 36 Shuttle Discovery 36 Space Agency 36 Atlantis 36 lunar orbit 36 thermal tiles 35 girder 35 docking port 35 Space Station 35 Lopez Alegria 35 Cape Canaveral 35 Wakata 35 Grunsfeld 35 Thomas Reiter 35 Earth orbit 35 ISS 35 Flight controllers 34 Bresnik 34 Nasa 34 Soyuz spacecraft 34 lander 34 Russian Soyuz spacecraft 34 Sharipov