Related by context. Frequent words. (Click for all words.) 63 Mikhail Kornienko 60 Tim Kopra 58 On Orbit Status 58 Oleg Kononenko 57 Mission Specialists 56 Soyuz capsule 56 Baikonur Kazakhstan 55 astronaut Peggy Whitson 55 Dan Tani 55 space shuttle Discovery 55 Japanese astronaut Koichi 54 Soyuz capsule carrying 54 Donald Pettit 53 Nicole Stott 53 shuttle Discovery 53 Michael Foale 53 Sandra Magnus 53 commander Peggy Whitson 53 NASA astronaut 53 Space Shuttle Discovery 53 Shuttle astronauts 52 Lyndin 52 Oleg Skripochka 52 Shuttle Launch 52 Soyuz 52 Shuttle Discovery 52 Fyodor Yurchikhin 52 International Space Station 51 Russian Soyuz capsule 51 By Irene Klotz 51 Leroy Chiao 51 Soviet cosmonaut Yuri Gagarin 51 Shuttle Endeavour 51 Shuttle Atlantis 51 commander George Zamka 51 shuttle Atlantis 51 Tracy Caldwell Dyson 51 Russian Soyuz spacecraft 51 Gregory Chamitoff 51 Koichi Wakata 51 Piers Sellers 50 Space Shuttle Endeavour 50 NASA Astronaut 50 space shuttle 50 Peggy Whitson 50 Frank De Winne 50 Russian Soyuz TMA 50 Soyuz spacecraft 50 Julie Payette 50 shuttle Endeavour 50 Discovery astronauts 50 Space Shuttle Atlantis 50 ESA astronaut 49 Greg Chamitoff 49 Rick Mastracchio 49 Soyuz TMA 49 Oleg Kotov 49 Heidemarie Stefanyshyn Piper 49 Andrew Feustel 49 Discovery liftoff 49 Soyuz rocket 49 Baikonur Cosmodrome 49 space shuttle Endeavour 49 Russian leased Baikonur 49 astronaut 48 commander Rick Sturckow 48 Space Agency 48 Russian Soyuz 48 Eyharts 48 Roscosmos 48 Christa McAuliffe backup 48 astronauts 48 Taurus XL rocket 48 Caldwell Dyson 48 Soyuz craft 48 Commander Peggy Whitson 48 Baikonur space 48 Astronaut 47 administrator Sean O'Keefe 47 Bob Thirsk 47 shuttle Challenger 47 spacecraft 47 Rick Husband 47 Endeavour astronauts 47 Space shuttle Discovery 47 Harmony module 47 Russian Soyuz rocket 47 Garrett Reisman 47 shuttle 47 Spacewalking astronauts 47 Russian cosmonauts 47 Ariane rocket 47 spokesman Valery Lyndin 47 NASA 47 Eric Boe 47 spokesman Allard Beutel 47 Wakata 47 Nie Haisheng 47 Yurchikhin 47 Kazakh steppe 47 Astronauts aboard