Related by context. Frequent words. (Click for all words.) 70 liftoff 57 spacecraft 55 space shuttle Discovery 55 shuttle Discovery 54 space shuttle 54 space shuttle Endeavour 54 Liftoff 54 Space Shuttle Discovery 54 orbit 54 shuttle Endeavour 54 Cape Canaveral Air Force 53 Mission Control 52 astronauts 52 NASA 52 shuttle 51 Nasa 51 Soyuz TMA 51 orbiter 51 Baikonur Cosmodrome 51 shuttle Atlantis 51 launch pad 51 undocking 50 International Space Station 50 Baikonur cosmodrome 49 Soyuz 49 Endeavour 49 Kennedy Space 48 spacewalk 48 astronaut 48 flyby 48 Cape Canaveral 48 Sriharikota 47 Atlantis 47 Soyuz capsule 47 lander 47 Soyuz spacecraft 47 Shenzhou 46 Space shuttle Discovery 46 Cape Canaveral Fla. 46 Space Shuttle 46 spaceship 46 space shuttle Atlantis 46 JAXA 45 rocket 45 spaceflight 45 undock 45 orbiting 45 Atlas V 44 Astronauts 44 Gerstenmaier 44 Space shuttle Endeavour 44 solid rocket boosters 44 shuttle astronauts 44 Discovery astronauts 44 booster rocket 44 LCROSS 43 launch 43 shuttle missions 43 payload 43 Space shuttle Atlantis 43 CAPE CANAVERAL Fla. 43 ISRO 43 docking 42 Chang'e 42 Eileen Collins 42 landing 42 takeoff 42 astronauts aboard 42 Endeavour astronauts 42 spacewalkers 42 rover 42 manned spaceflight 42 countdown 41 Space Station 41 orbital 41 Parazynski 41 crewmates 41 lunar probe 41 heat shield 41 Gagarin 41 Atlantis astronauts 41 rendezvous 41 Flight controllers 41 director Mike Leinbach 41 Baikonur 41 spaceport 41 Saturn moon 41 cosmonaut 41 Chandrayaan 40 Huygens 40 Spacewalk 40 Russian Soyuz spacecraft 40 reentry 40 Fincke 40 weightlessness 40 Mike Fincke 40 Shuttle 40 Vandenberg Air Force Base 40 CAPE CANAVERAL 40 spacewalker 40 lunar surface