Related by context. Frequent words. (Click for all words.) 57 shuttle 52 Shuttle Endeavour 52 space shuttle 51 Space Shuttle Atlantis 50 Space shuttle Endeavour 50 Shuttle Discovery 50 International Space Station 50 orbiting 49 Space Shuttle Endeavour 49 shuttle Atlantis 49 shuttle Discovery 49 space shuttle Discovery 49 Shuttle Atlantis 49 Space Shuttle Discovery 48 Soyuz rocket 48 spacecraft 48 space shuttle Endeavour 48 orbiting laboratory 47 Cape Canaveral Air Force 47 Space shuttle Atlantis 47 orbiter 47 commander Peggy Whitson 47 NASA 47 spaceship 46 Shuttle 46 Shuttle astronauts 46 GLAST 46 Robert Behnken 46 Space shuttle Discovery 45 Atlantis 45 orbiting complex 45 blastoff 45 observation deck 45 Endeavour 45 orbit 45 Mike Suffredini 45 liftoff 45 Kennedy Space 45 director Mike Leinbach 45 Nasa 45 planetarium 44 astronauts 44 Russian Soyuz rocket 44 astronaut 44 Hubble 44 Shuttle commander 44 space shuttle Atlantis 43 Launch Pad #A 43 Earth orbit 43 STEREO 43 orbital outpost 43 geosynchronous orbit 43 Spacewalking astronauts 43 spokesman Allard Beutel 43 shuttles 43 orbiting outpost 43 observatory 43 NASA astronaut 43 payload bay 42 Nicole Stott 42 Space Station 42 Shenzhou VII 42 Baikonur Cosmodrome 42 JWST 42 orbiting spacecraft 42 LCROSS 42 Andrew Feustel 42 airlock 42 Eric Boe 42 Ares IX 42 Spacewalkers 42 orbital 41 Cape Canaveral 41 ISS 41 Hubble Telescope 41 Fincke 41 shuttle Endeavour 41 docking port 41 Orbiter 41 Space Shuttle 41 Kibo 41 Malenchenko 41 spaceflight 41 launch pad 41 Mission Control 41 Kathy Winters 41 Space.com 41 Kazakh steppe 41 spacewalkers 41 Hubble telescope 41 Hubble Space Telescope 41 Baikonur cosmodrome 41 human spaceflight 40 orbiting lab 40 space shuttles 40 orbiters 40 Mission Specialists 40 Bill Gerstenmaier NASA 40 Russian Soyuz spacecraft 40 cosmodrome 40 Gerstenmaier