Related by context. Frequent words. (Click for all words.) 50 Plate 46 resistant tiles 46 Orbiter 45 External Tank 45 deflector 44 shuttle thermal tiles 44 Spacecraft 43 gaseous hydrogen 42 hairline cracks 42 orbiter 42 delamination 42 heat shield 42 pad #A 41 heat exchanger 41 Shuttle Launch 41 Taurus XL rocket 40 thruster 40 drip pan 40 flange 40 Discovery payload bay 39 Insulator 39 Vents 39 Endeavour 39 Space Shuttle Endeavour 39 Spacewalkers 39 Slow Cooker 38 Orbiting Carbon Observatory 38 louver 38 rock abrasion 38 condenser 38 flame trench 38 Rectangular 38 nosecone 37 thermal tile 37 superheated steam 37 impactor 37 Opportunity rover 37 space shuttle Endeavour 37 Spirit rover 36 Space Shuttle Atlantis 36 corrosion 36 tail cone 36 Itokawa 36 spacecraft 36 shuttle underside 36 orbital module 36 ESA Mars 36 undocking 36 space shuttle Discovery 36 pipework 36 coolant 36 Space Shuttle Discovery 36 meteoroid 35 Shuttle Endeavour 35 Venting 35 thrusters 35 Shuttle Discovery 35 Shuttle astronauts 35 Mars Pathfinder 35 Ares IX 35 space shuttle Atlantis 35 Phoenix lander 35 liftoff 35 Heaters 35 JAXA 35 gashed wing 35 Global Surveyor 35 containment vessel 35 spray nozzle 35 SpaceX Falcon 9 34 nozzle 34 Shuttle 34 horizontal stabilizer 34 pressurization 34 compartment 34 duct 34 Space Shuttle 34 Stardust spacecraft 34 shaft 34 orbiting spacecraft 34 gap fillers 34 lunar orbit 34 Mars rover Opportunity 34 hull 34 rotary joint 34 firebox 34 shuttle Endeavour 34 exhaust valve 34 Launch Pad #A 34 leak 34 NASA spaceport 34 JWST 34 rover Opportunity 34 cryogenic engine 33 Earth magnetosphere 33 thermal emission spectrometer 33 booster rockets 33 orbiting observatory 33 depressurization 33 superheated gases 33 shuttle payload bay