Related by context. Frequent words. (Click for all words.) 85 space shuttle Discovery 81 shuttle Endeavour 80 shuttle Discovery 76 space shuttle Atlantis 75 shuttle Atlantis 74 Space shuttle Endeavour 73 Space Shuttle Discovery 70 Space shuttle Discovery 70 International Space Station 70 Endeavour 67 Space shuttle Atlantis 67 space shuttle 62 Cape Canaveral Fla. 61 Discovery astronauts 61 orbiter 61 Kennedy Space 61 astronauts 61 spacewalk 60 shuttle astronauts 60 shuttle 60 liftoff 59 Endeavour astronauts 59 Atlantis 58 Soyuz capsule 58 undock 58 CAPE CANAVERAL Fla. 57 spacecraft 57 Soyuz TMA 57 Mission Control 57 Cape Canaveral 56 Atlantis astronauts 56 Hubble Space Telescope 55 Russian Soyuz spacecraft 55 space shuttles 54 shuttle fleet 54 NASA astronaut 54 CAPE CANAVERAL 54 Soyuz spacecraft 54 astronaut 54 orbiting outpost 54 Soyuz 53 shuttle missions 53 NASA 53 astronauts aboard 52 Cape Canaveral Air Force 52 orbiting lab 52 spacewalks 51 orbit 51 STS 51 Nasa 51 Baikonur Cosmodrome 51 Mike Fincke 50 Space Station 50 orbiting 50 orbiters 50 Phoenix Mars Lander 50 Space Shuttle 50 Baikonur cosmodrome 50 spaceship 50 spacewalkers 49 ISS 49 crewmates 49 spacewalking astronauts 49 Astronauts 49 Flight Engineer 49 thermal blanket 48 Eileen Collins 48 undocking 48 Fincke 48 heat shield 47 Russian Soyuz 47 Orbiter 47 spacewalking 47 Flight controllers 47 Space Agency 47 solid rocket boosters 47 Astronaut 46 Russian cosmonauts 46 robotic arm 46 lander 45 Shuttle 45 Sriharikota 45 spacesuits 45 solar arrays 45 director Mike Leinbach 45 Hubble telescope 45 Rep. Gabrielle Giffords 45 rotary joint 44 spaceflight 44 JAXA 44 Gerstenmaier 44 Chamitoff 44 cosmonauts 44 LCROSS 44 Hubble 44 Thomas Reiter 44 insulating foam 44 spacewalker 43 Atlas V 43 Spacewalk 43 Fossum