Related by context. Frequent words. (Click for all words.) 78 Space shuttle Discovery 73 Space shuttle Endeavour 71 Shuttle Discovery 70 Shuttle Atlantis 70 Space Shuttle Atlantis 69 space shuttle Discovery 68 Shuttle Endeavour 67 space shuttle Endeavour 66 Space Shuttle Discovery 64 space shuttle Atlantis 64 shuttle Discovery 63 Space Shuttle Endeavour 61 shuttle Atlantis 60 shuttle Endeavour 60 Endeavour 59 International Space Station 56 undock 55 Cape Canaveral 55 Discovery astronauts 54 Atlantis 53 Cape Canaveral Air Force 53 Atlantis astronauts 53 Endeavour astronauts 52 Kennedy Space 52 Soyuz capsule 52 space shuttle 51 shuttle astronauts 50 KENNEDY SPACE CENTER 50 undocked 50 Baikonur Cosmodrome 50 aboard Endeavour 50 orbiter 49 shuttle 49 Soyuz spacecraft 49 spacecraft 49 orbiting laboratory 49 Cape Canaveral Fla. 49 orbiting outpost 48 Mark Polansky 48 unmanned spacecraft 48 Russian Soyuz capsule 48 Baikonur cosmodrome 48 Hubble Space Telescope 48 Soyuz TMA 48 liftoff 47 Russian Soyuz rocket 47 Astronauts 47 orbital outpost 47 orbit 47 astronauts 46 Soyuz rocket 46 undocking 46 CAPE CANAVERAL 46 CAPE CANAVERAL Fla. 46 Russian Soyuz spacecraft 46 Ares IX 46 spacewalk 46 NASA 46 orbiting lab 45 Tracy Caldwell Dyson 45 space shuttles 45 commander Rick Sturckow 45 shuttle fleet 45 Discovery 45 NASA astronaut 45 Shuttle commander 45 By Irene Klotz 45 Sriharikota 45 Mike Fincke 45 spaceship 45 spacewalkers 44 Eileen Collins 44 Soyuz 44 spacewalks 44 Sunita Williams 44 orbiting 44 Hubble telescope 44 director Mike Leinbach 44 lunar orbit 43 Russian cosmonauts 43 Flight Engineer 43 Launch Complex 43 Yurchikhin 43 Hubble 43 blastoff 43 Nasa 43 Mars Reconnaissance Orbiter 43 ISS 43 shuttle missions 42 LeRoy Cain 42 Atlas V 42 Space Shuttle 42 BAIKONUR Kazakhstan 42 astronauts aboard 42 MESSENGER 42 launch pad 42 Phoenix Mars Lander 42 John Grunsfeld 42 thrusters 42 Liftoff 41 Mission Control