Related by context. Frequent words. (Click for all words.) 63 Ares IX rocket 61 Discovery liftoff 60 Taurus XL rocket 60 space shuttle Discovery 58 shuttle Discovery 57 space shuttle Endeavour 57 space shuttle Atlantis 57 Pad #A 57 Shuttle astronauts 57 orbiter 57 shuttle Atlantis 56 liftoff 56 GSLV D3 56 pad #A 55 shuttle thermal tiles 55 tank foam insulation 54 Launch Pad #B 54 shuttle 54 Polar Lander 54 Space Shuttle Atlantis 54 spacecraft 54 Space Shuttle Endeavour 54 Hayabusa probe 54 heat shield 53 Space Shuttle Discovery 53 shuttle Endeavour 53 Phoenix Mars lander 53 interplanetary spacecraft 53 Mars orbiter 53 Shuttle Endeavour 53 Discovery STS 53 Ariane rocket 52 Endeavour 52 resistant tiles 52 Orbiting Carbon Observatory 52 tank insulating foam 52 Shuttle Discovery 52 space shuttle 52 flyaway foam 52 payload bay doors 51 thruster 51 Shuttle Atlantis 51 liquid hydrogen 51 Space shuttle Discovery 51 PSLV C# 51 Discovery payload bay 51 rover Opportunity 51 Baikonur Kazakhstan 51 thermal tile 51 Lyndin 51 NASA spaceport 51 faulty heater 51 orbiting observatory 51 spacewalk 51 gaseous hydrogen 50 shuttle underside 50 orbital maneuvering system 50 Mars Lander 50 LeRoy Cain chairman 50 Spacewalking astronauts 50 Spirit rover 49 Space shuttle Atlantis 49 Soyuz capsule carrying 49 Shuttle Launch 49 Sensing Satellite LCROSS 49 coolant pump 49 orbiting complex 49 shuttle disintegrated 49 External Tank 49 micrometeorites 49 spokesman Allard Beutel 49 NASA 49 orbiting telescope 49 Soyuz rocket 49 shuttle payload bay 49 Mars rover Spirit 49 QF# [002] 49 Qantas Airbus A# 49 micrometeorite damage 49 Opportunity rover 48 Spacewalkers 48 Discovery astronauts 48 Dragon capsule 48 insulation foam 48 Hubble Space Telescope 48 pressurisation 48 LCROSS mission 48 Hubble servicing 48 lander 48 shuttle Challenger 48 tail cone 48 faulty valve 48 ammonia tank 48 Shuttle 48 flame trench 48 Space shuttle Endeavour 48 cryogenic engine 48 On Orbit Status 47 Indonesian volcano erupts 47 Bulava missile 47 New Horizons spacecraft