Related by context. Frequent words. (Click for all words.) 52 Astronauts inspect 52 Lifts Off 51 Space Shuttle Endeavor 49 Wally Schirra 49 space shuttle 48 Virgil I. 48 Space Shuttle Launch 48 Astronauts Prepare 47 interplanetary spacecraft 47 Solid Rocket Boosters 47 Gus Grissom 47 Blasts Off 46 Frank Borman 46 unpiloted 46 Space Shuttle 46 geosynchronous 46 Ron Garan 46 Willie McCool 46 Shuttle Crew 45 Rick Husband 45 Affixed 45 Atlantis STS 45 Space Capsule 45 Ellison Onizuka 45 Tom Marshburn 45 vomit comet 44 Lands Safely 44 SpaceX Falcon 9 44 Roberto Vittori 44 Valentina Tereshkova 44 Astronaut 44 Fred Haise 44 Kliper 44 astronaut Piers Sellers 44 Nasa astronaut 44 astronaut Greg Chamitoff 44 Dick Scobee 44 Leland Melvin 44 NASA astronaut 44 commander George Zamka 43 Fei Junlong 43 Zvezda Service 43 lunar module pilot 43 Yuri Malenchenko 43 NASA Astronaut 43 engineer Mikhail Tyurin 43 orbited Earth 43 spaceflight participant 43 Gene Cernan 43 Andre Kuipers 43 spacemen 43 Chairman G Madhavan 43 Robert Curbeam 43 Endeavour STS 43 X #B Orbital 43 NASAs 42 Virgil Gus Grissom 42 Japanese Kibo laboratory 42 shuttle 42 Shuttle astronauts 42 astronauts 42 astronaut 42 outerspace 42 commander Gennady Padalka 42 Russian cosmonaut Yuri Lonchakov 42 commander Fyodor Yurchikhin 42 MESSENGER spacecraft 42 Exploration Vehicle 42 Cady Coleman 42 Space Shuttle Discovery 42 Lunar Module 42 Israeli astronaut Ilan 42 Commander Gennady Padalka 42 Cosmodrome 42 Apollo Soyuz 42 astronautical engineering 42 Magnificent Desolation 42 lunar landings 42 shuttle Endeavor 42 cosmonaut Yuri Gagarin 42 spacecrafts 41 spaceship 41 blastoff 41 minature 41 Suborbital 41 Space Station 41 Mars Pathfinder 41 Ken Bowersox 41 Astronauts 41 commander Dominic Gorie 41 Roger Chaffee 41 space shuttles 41 Ares IX rocket 41 Commander Peggy Whitson 41 Stratospheric Observatory 40 astronaut Ilan Ramon 40 Space Shuttles 40 Shuttle Discovery 40 laser altimeter 40 Mission Specialists 40 Alexander Kaleri