Related by context. Frequent words. (Click for all words.) 58 Soviet cosmonaut Yuri Gagarin 53 NASA astronaut 53 Sally Ride 52 Anousheh Ansari 51 space shuttles Endeavour 50 astronaut 50 Edwin Buzz Aldrin 49 Alan Shepard 48 Dennis Tito 48 Soyuz capsule carrying 48 Yuri Gagarin 47 astronaut Yang Liwei 47 NASA Astronaut 47 Tim Kopra 47 NASA astronaut corps 47 Timothy Kopra 47 Koichi Wakata 46 Yang Liwei 46 Rex Walheim 46 Owen Garriott 46 Japanese astronaut Koichi 46 Russian cosmonaut Yuri Malenchenko 46 Julie Payette 45 Oleg Skripochka 45 TJ Creamer 45 Daniel Tani 45 Ron Garan 45 Astronaut Buzz Aldrin 45 unmanned lunar 45 astronaut Peggy Whitson 44 Cady Coleman 44 Christa McAuliffe backup 44 satellite Sputnik 44 Today Birthdays Former 44 Mike Melvill 44 Dorothy Metcalf Lindenburger 44 Russian cosmonaut Gennady Padalka 44 Shirley Chisholm 44 Eileen Collins 43 Sunita Williams 43 ESA astronaut 43 Mercury Gemini 43 Sergei Volkov 43 Buzz Aldrin 43 Soyuz rocket 43 Mission Specialists 43 Mars Pathfinder 43 aviatrix 43 Mikhail Tyurin 43 orbited Earth 43 Kalpana Chawla 43 Nicole Stott 43 sub orbital 43 Spy Satellite 42 Russian Gennady Padalka 42 lunar orbiter 42 astronaut Sunita Williams 42 Phillis Wheatley 42 Satcher 42 Dan Tani 42 Soyuz spacecraft 42 Metcalf Lindenburger 42 Tanegashima Space Center 42 spacewalker 42 SELENE 42 space shuttle 42 Alexander Kaleri 42 manned spacecraft 42 astronauts 41 Megan McArthur 41 Piers Sellers 41 Peggy Whitson 41 Fyodor Yurchikhin 41 Apollo missions 41 Air Force colonel 41 Leroy Chiao 41 Michael Foale 41 Nie Haisheng 41 Space Shuttle Endeavour 41 Astronaut 41 PSLV C# 41 DC OfficialWire #/#/# 40 June Scobee Rodgers 40 By Gina Gallucci 40 Babe Didrikson Zaharias 40 Sputnik satellite 40 Vikram Sarabhai 40 astronaut Leopold Eyharts 40 Frank De Winne 40 Mission Directorate 40 shuttle Challenger 40 Caldwell Dyson 40 Space Shuttle Discovery 40 manned spaceship 40 Leland Melvin 40 International Space Station 40 Blasts Off 40 Space Shuttle 40 aviator Amelia Earhart 40 SpaceX Falcon 9 40 Wilma Mankiller