Related by context. Frequent words. (Click for all words.) 63 rotary joint 53 Discovery payload bay 53 interplanetary spacecraft 53 solar arrays 52 shuttle thermal tiles 51 Spacewalkers 51 6 #/#-hour spacewalk 50 Spacewalking astronauts 50 spacewalk 50 commander George Zamka 50 International Space Station 50 generating solar arrays 49 shuttle payload bay 49 orbiting complex 49 orbiting outpost 49 Two spacewalking astronauts 49 Shuttle Endeavour 48 truss segment 48 Parazynski 48 pad #A 48 Alpha Magnetic Spectrometer 48 Mike Suffredini 48 spacewalkers 48 Earth magnetosphere 48 spacewalker 48 orbiter 48 Shuttle Discovery 47 space shuttle Discovery 47 particle physics detector 47 shuttle Atlantis 47 John Grunsfeld 47 Harmony module 47 NASA 47 space shuttle Atlantis 47 Ares IX rocket 47 payload bay 47 spacewalking astronauts 47 Alexander Kaleri 47 Discovery astronauts 47 orbiting 47 spacewalking astronaut 47 innermost planet 47 orbiting laboratory 47 Heidemarie Stefanyshyn Piper 47 shuttle Discovery 47 undock 46 orbiting telescope 46 Scott Parazynski 46 Orion spacecraft 46 orbiting observatory 46 Stephen Frick 46 spacewalks 46 Kibo laboratory 46 Tim Kopra 46 orbital outpost 46 Richard Linnehan 46 Endeavour astronauts 46 Shuttle astronauts 46 David Leckrone 46 Lee Archambault 46 astronauts 46 Phoenix Mars lander 45 Dextre 45 commander Peggy Whitson 45 Fuglesang 45 Roskosmos 45 Mike Suffredini NASA 45 Spacewalk 45 Oleg Kononenko 45 Space shuttle Discovery 45 % #F# 1v.jsn 45 Pint sized YouTube 45 astronaut Leopold Eyharts 45 Atlantis astronauts 45 spacecraft 45 robotic arm 45 orbiting astronauts 45 Space Shuttle Atlantis 45 spokesman Allard Beutel 45 spaceship 45 Oleg Skripochka 45 director Holly Ridings 45 resistant tiles 45 Hubble servicing 44 shuttle Endeavour 44 administrator Sean O'Keefe 44 JWST 44 Zamka 44 Astronauts aboard 44 space shuttle Endeavour 44 Andrew Feustel 44 Launch Pad #B 44 Anatoly Perminov 44 Michael Kostelnik 44 Pad #A 44 spacewalking 44 ion propulsion 44 Lyndin 44 lunar outpost 44 gyroscopes 44 widgetised area