Related by context. Frequent words. (Click for all words.) 54 Mike Fincke 53 space shuttle Discovery 52 Mission Control 52 Michael Lopez Alegria 51 Space Shuttle Discovery 51 Fincke 51 Shuttle Discovery 51 Eileen Collins 50 shuttle Endeavour 49 shuttle Discovery 49 space shuttle Endeavour 49 shuttle Atlantis 48 Shuttle Endeavour 48 Space shuttle Atlantis 48 Endeavour astronauts 48 spacewalk 48 Grunsfeld 47 director Mike Leinbach 47 International Space Station 47 spacewalkers 47 Space Shuttle Atlantis 47 Polansky 46 Space Shuttle Endeavour 46 space shuttle Atlantis 46 shuttle astronauts 46 Endeavour 45 CAPE CANAVERAL Fla. 45 Space shuttle Discovery 45 Parazynski 45 Astronauts 45 crewmates 45 Lopez Alegria 44 spacewalker 44 space shuttle 44 astronaut 44 spacewalking 44 NASA 44 liftoff 44 Atlantis astronauts 44 Tracy Caldwell Dyson 44 aboard Endeavour 44 Bresnik 43 Gerstenmaier 43 Rick Husband 43 NASA astronaut 43 Wakata 43 undock 43 astronauts 42 Space shuttle Endeavour 42 Flight controllers 42 Nasa 42 Atlantis 42 Chamitoff 41 Melroy 41 Astronaut 41 blastoff 41 Malenchenko 41 spacewalks 41 Nespoli 41 Discovery astronauts 41 Space Station 40 Suffredini 40 Kennedy Space 40 shuttle missions 40 Padalka 40 Feustel 40 CAPE CANAVERAL 39 Flight Engineer 39 orbit 39 shuttle 39 astronauts aboard 39 Hubble 39 orbiter 39 Spacewalk 39 orbiting outpost 39 spacecraft 39 Buzz Aldrin 39 NASA Jet Propulsion Laboratory 38 Kopra 38 Cape Canaveral Fla. 38 Aldrin 38 Mastracchio 38 Sharipov 38 Soyuz capsule 38 lunar module 38 Russian Soyuz capsule 38 thermal blanket 38 ISS 38 Behnken 37 cosmonaut 37 Hubble telescope 37 Ares IX 37 Soyuz TMA 37 Massimino 37 shuttle robotic arm 37 orbiting laboratory 37 astronaut corps 37 Leinbach 37 undocking 37 Hubble Space Telescope 37 By Irene Klotz