Related by context. Frequent words. (Click for all words.) 43 orbiter 41 liftoff 41 unobstructed 39 spacecraft 39 NASA 39 heat shield 39 shuttle 38 shuttle Discovery 38 shuttle Atlantis 38 space shuttle Atlantis 37 orbiting laboratory 37 Space Shuttle Atlantis 37 lunar orbit 36 space shuttle Discovery 36 Readdy 36 Hubble Space Telescope 36 spokesman Allard Beutel 36 Space Shuttle Endeavour 36 Dittemore 36 Soyuz 36 thermal tiles 36 orbiters 36 Nasa 36 telescope 36 orbit 35 payload bay 35 NASA Administrator 35 Soyuz craft 35 space shuttle Endeavour 35 Gerstenmaier 35 International Space Station 35 Soyuz spacecraft 35 Ares IX 34 astronauts 34 orbital outpost 34 Space Shuttle Discovery 34 orbital 34 space shuttle 34 polar orbit 34 Hubble 34 flyby 34 Shuttle commander 34 Shuttle Atlantis 34 human spaceflight 33 Endeavour 33 Endeavour belly 33 undocking 33 mirror 33 shuttle Endeavour 33 thruster 33 undock 33 Columbia Accident Investigation 32 Soyuz capsule 32 Cape Canaveral Fla. 32 adhered 32 shuttle missions 32 Orbiter 32 tank foam insulation 32 Discovery astronauts 32 Space Station 32 Soyuz TMA 32 Flight controllers 32 curvature 32 lander 32 spacewalkers 32 shuttle astronauts 32 orbital debris 32 thrusters 32 gap fillers 32 Soyuz rocket 31 Cassini 31 camera 31 LCROSS 31 space shuttles 31 Atlantis astronauts 31 LeRoy Cain 31 unobstructed view 31 GlobalFlyer 31 Shuttle Discovery 31 Russian Soyuz rocket 31 undocked 31 theirs 31 JAXA 31 astronauts aboard 31 Shuttle Endeavour 31 insulating foam 31 orbiting 30 contradicts 30 spacewalk 30 astronaut 30 Spacecraft 30 thermal blanket 30 thermal tile 30 eyepiece 30 conform 30 observation deck 30 booster rockets 30 blastoff 30 Mission Control 29 Shuttle 29 budging