Related by context. Frequent words. (Click for all words.) 57 Neil Armstrong 55 Yuri Gagarin 49 astronaut 47 lunar landing 46 Buzz Aldrin 46 NASA astronaut 46 space shuttle 45 astronauts 45 Space Shuttle Discovery 44 Sputnik 43 Sally Ride 43 shuttle Discovery 43 Christa McAuliffe 43 Astronaut 42 Saturn V 42 rocketry 42 orbit 42 SpaceShipOne 41 NASA 41 Aldrin 41 International Space Station 40 space shuttles 40 Earth orbit 40 spacecraft 40 Lou Gehrig 40 Cape Canaveral 40 Charles Lindbergh 40 Stan Musial 39 shuttle 39 Eileen Collins 39 John F. Kennedy 39 manned spaceflight 39 moon 39 Right Stuff 39 spaceflight 39 Jules Verne 39 Gagarin 39 Carl Yastrzemski 39 Dwight Eisenhower 39 Space Exploration 38 lunar surface 38 Fincke 38 Burt Rutan 38 Cape Canaveral Air Force 38 shuttle Atlantis 38 orbited 38 Astronauts 37 spaceship 37 Cooperstown NY 37 Discovery astronauts 37 spacesuit 37 capsule 37 Pontes 37 Space Shuttle 37 lunar exploration 37 Tony Gwynn 37 outer space 37 Quincy Adams 37 shuttle missions 37 Virgin Galactic 36 Cape Canaveral Fla. 36 Apollo 36 space shuttle Endeavour 36 Endeavour 36 Garriott 36 Rutan 36 Wade Boggs 36 Simonyi 36 Space Station 36 Ronald Reagan 36 orbiter 36 space shuttle Discovery 36 Atlantis 36 shuttle astronauts 36 SpaceShipTwo 35 Calvin Coolidge 35 shuttle Endeavour 35 zero gravity 35 Russian Soyuz spacecraft 35 Dwight D. Eisenhower 35 Walter Hagen 35 Elon Musk 35 Roberto Clemente 35 Planetary Society 35 Ty Cobb 35 orbiting outpost 35 Baikonur Cosmodrome 35 astronauts aboard 35 Emancipation Proclamation 35 Soyuz spacecraft 35 Nasa 35 Amelia Earhart 35 manned missions 34 Adlai Stevenson 34 Cooperstown 34 Astronautics 34 Charles Bolden 34 CAPE CANAVERAL Fla. 34 DiMaggio 34 weightlessness 34 HL Mencken