Related by context. Frequent words. (Click for all words.) 53 shuttle underside 52 pad #A 51 Space Shuttle Atlantis 51 orbiter 51 heat shield 51 Space Shuttle Endeavour 50 micrometeorite damage 49 Flight Readiness 49 resistant tiles 49 Launch Pad #A 49 On Orbit Status 48 Discovery liftoff 48 space shuttle Discovery 48 Shuttle Atlantis 48 Orbiter 47 Shuttle astronauts 47 Lyndin 47 Shuttle Launch 47 downlinked 46 space shuttle Atlantis 46 Space Shuttle Discovery 46 spacecraft 46 Dragon capsule 46 space shuttle Endeavour 46 liftoff 46 Phoenix Mars lander 46 Endeavour 46 Endeavour belly 45 fiery gases 45 Atlantis astronauts 45 NASA Lunar Reconnaissance 45 flyby 45 Mars Reconnaissance Orbiter 45 Shuttle Discovery 45 shuttle disintegrated 45 payload bay 45 Global Surveyor 45 undocking 45 shuttle Atlantis 45 Baikonur Kazakhstan 44 orbiting observatory 44 SpaceX Falcon 9 44 Spacecraft 44 Shuttle Endeavour 44 Phoenix lander 44 Taurus XL rocket 44 lander 44 shuttle robotic arm 44 shuttle 44 orbiting Mars 44 External Tank 43 shuttle Endeavour 43 Mission Specialists 43 thermal blanket 43 shuttle Discovery 43 NASA Cassini spacecraft 43 rover Opportunity 43 orbiting telescope 43 Cassini spacecraft 43 LeRoy Cain chairman 43 comet Hartley 2 43 shuttle thermal shielding 43 Spirit rover 43 MESSENGER 43 Comet Tempel 1 43 Discovery payload bay 43 PASADENA Calif. NASA 42 lunar orbit 42 Hubble Telescope 42 By Irene Klotz 42 Cape Canaveral Fla. 42 Stardust spacecraft 42 Hubble 42 orbit insertion 42 Oleg Skripochka 42 ice frost ramps 42 Ares IX 42 NASA Mars Odyssey 42 Shenzhou VII 42 Lee Archambault 42 orbiting complex 41 CALIPSO 41 Doug Wheelock 41 Discovery astronauts 41 shuttle payload bay 41 flybys 41 Soyuz capsule 41 Space shuttle Endeavour 41 NASA Mars Reconnaissance 41 Ellington Field 41 Astronauts 41 panoramic camera 41 robotic spacecraft 41 Space shuttle Discovery 41 Phoenix Mars Lander 41 astronauts 41 Opportunity rover 41 Hubble Space Telescope 41 comet nucleus 41 Bill Gerstenmaier NASA 40 thermal tile