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(Click for frequent words.) 52 Wally Schirra 48 Walter Schirra 46 Russian cosmonaut Yuri Gagarin 46 Deke Slayton 46 Gus Grissom 46 Vladimir Komarov 45 director Gene Kranz 44 lunar module pilot 44 Virgil Grissom 44 Wernher Von Braun 44 astronaut Wally Schirra 44 shuttle Challenger 44 Gagarin 44 chief Vladimir Solovyov 43 Owen Garriott 43 Apollo missions 43 Cernan 43 Gene Kranz 43 Ernst Stuhlinger 43 Yury Gagarin 43 Donald Deke Slayton 43 Manned Spacecraft Center 43 collectSPACE 43 Mercury Gemini 43 Tereshkova 42 Soviet cosmonaut Yuri Gagarin 42 Pam Melroy 42 orbited Earth 42 Boris Chertok 42 Russian cosmonaut Nikolai Budarin 42 astronaut Walter Schirra 42 astronaut Ilan Ramon 42 cosmonaut Yuri Gagarin 42 historian Roger Launius 42 Skylab 42 specialist Kalpana Chawla 41 Metcalf Lindenburger 41 Ilan Ramon 41 Judy Resnik 41 Nasa astronaut 41 Gemini Apollo 41 astronaut Owen Garriott 41 Rusty Schweickart 41 Pilot George Zamka 41 Gene Cernan 41 Brandenstein 41 George Zamka 41 OCO satellite 41 Barbree 41 rocket scientist Wernher 41 space shuttle 41 ESA GOCE 41 astronaut Jack Lousma 41 parachutes malfunctioned 41 Lunar Module 40 adventure Chamitoff radioed 40 Haise 40 astronaut 40 Christopher Scolese 40 Norman Thagard 40 Virgil Gus Grissom 40 Cosmonaut Yuri Gagarin 40 budging Wheelock told 40 Apollo Soyuz 40 Endeavour astronaut 40 Deep Space 40 spaceflyer 40 Readdy 40 Stuhlinger 40 Educator Astronauts 40 astronaut Andrew Feustel 40 engineer Nicole Stott 40 NASA 40 commander Leroy Chiao 40 Nasa spacecraft 40 Zhai Zhigang Liu Boming 40 teacher Christa McAuliffe 40 engineer Nikolai Budarin 40 commander Pam Melroy 39 Lunar Prospector 39 June Scobee Rodgers 39 spacecraft 39 northern Plesetsk launchpad 39 Alan Shepard 39 Lunar Module Pilot 39 Svetlana Savitskaya 39 Paulo Nespoli 39 NROL 39 Atlas IIAS 39 Ken Bowersox 39 orbiter 39 moonwalkers 39 NASA GeneSat 1 39 Sergei Korolyov 39 Buzz Aldrin Apollo 39 Mission Control 39 Soviet cosmonaut Valentina Tereshkova 39 Alexei Leonov 39 WISE mapped 39 Astronaut Peggy Whitson 39 Lousma 39 Russian Mikhail Tyurin 39 astronauts 39 Edwin Aldrin 39 Sergei Gorbunov spokesman 39 von Braun 39 Spacelab 39 Neil Armstrong 39 Frank Borman 39 Apollo lunar 39 Kavandi 38 Commander Rick Sturckow 38 Yuri Gagarin 38 Christa McAuliffe 38 Ed Weiler 38 Ellison Onizuka 38 De Winne 38 director Rick LaBrode 38 Israeli astronaut Ilan 38 Konrad Dannenberg 38 Ed Weiler NASA 38 Jack Swigert 38 Budarin 38 Col. Ilan Ramon 38 F. Readdy 38 Donn Eisele 38 astronaut Gus Grissom 38 Mars Polar Lander 38 spacewoman 38 astronaut Christa McAuliffe 38 Lucky Lindy 38 Christa McAuliffe backup 38 Dittemore 38 astronaut Soichi Noguchi 38 sputnik 38 Charles Hobaugh 38 Guion Bluford 38 Bob Behnken 38 spacemen 38 Piers Sellers 38 Russian Salizhan Sharipov 38 Konstantin Feoktistov 38 Mars rovers Opportunity 38 Woodrow Whitlow 38 Colonel Ilan Ramon 38 Gorie 38 lunar module 38 Vostok 3KA 38 astronaut Fred Haise 38 Lt. Col. Yang Liwei 38 Commander Oleg Kotov 38 A. Cernan 38 Shenzhou IV 38 aboard Skylab 38 Salyut 38 Cosmic Background Explorer 38 Martian orbit 38 Susan Kilrain 38 Challenger exploded 37 O. Hobaugh 37 Chairman G Madhavan 37 Taurus XL 37 engineer Garrett Reisman 37 Houston Tranquility Base 37 astronauts Gus Grissom 37 Fred Haise 37 Space Shuttle 37 Mercury Redstone 37 Atlantis STS 37 Kenneth Bowersox 37 Konstantin Tsiolkovsky 37 Garret Reisman 37 M. Schirra 37 chief Bill Gerstenmaier 37 ISS Expedition 37 Eyharts 37 lunar landing 37 Alexander Samokutyayev 37 Shenzhou V 37 Roman Romanenko 37 GeneSat 1 37 Foton M3 37 SpaceShip One 37 Mir Space Station 37 Satish Dhawan 37 Audrey McCool 37 Launius 37 director Gary Horlacher 37 Schweickart 37 specialists Nicole Stott 37 Dottie Metcalf Lindenburger 37 Padalka 37 Space Shuttle Endeavor 37 Interior Laboratory GRAIL 37 William Readdy 37 astronaut Rick Sturckow 37 shuttle Atlantis 37 Theodore von Karman 37 Rick Sturckow 37 thrusters maneuvered 37 Charlie Hobaugh 37 shuttle Endeavor 37 Koptev 37 Eileen Collins 37 Shuttle Astronaut 37 Robinson strummed guitar 37 shuttle missions 37 Foton M2 37 Cosmonaut Salizhan Sharipov 37 weather satellite TIROS 37 Molczan 37 card Tani radioed 37 Opportunity Mars rovers 37 Nikolai Moiseyev 37 Russian cosmonaut Alexei Leonov 36 Wernher von Braun 36 Yuri Shargin 36 aboard Soyuz TMA 36 Colonel Yang Liwei 36 astronaut Gregory Chamitoff 36 director Tony Ceccacci 36 Léopold Eyharts 36 Foton M3 spacecraft 36 Pilot Terry Virts 36 Nasa Jet Propulsion 36 Russians Alexander Kaleri 36 Kent Rominger 36 Vostok spacecraft 36 windshield wiper maneuver 36 Story Musgrave 36 Dominic Gorie 36 spokeswoman Kylie Clem 36 Hobaugh 36 W. Haise 36 commander Sergei Krikalev 36 Ollenburger 36 Willie McCool 36 Sputnik satellite 36 Kalpana Chawla 36 astronaut Eugene Cernan 36 laboratory Skylab 36 humanoid robot bound 36 Grechko 36 Milt Heflin chief 36 Voyager spacecraft 36 lunar module Eagle 36 astronauts Nicole Stott 36 Mars Pathfinder 36 astronaut Rex Walheim 36 Director Charles Elachi 36 STS #L 36 astronaut Gene Cernan 36 engineer Timothy Kopra 36 spokesman Michael Braukus 36 American Astronautical Society 36 planetary missions 36 Sergei Krikalev 36 Ronald Dittemore 36 #/#-hour spacewalk [001] 36 shuttle Atlantis astronauts 36 planetary Transits 36 Soviet cosmonauts 36 Terrier Orion 36 Ron Garan 36 cosmonaut Yuri 36 shuttle Discovery STS 36 veteran spacewalker 36 Oefelein piloted 36 Virgil I. 36 Pamela Melroy 36 Sacred Vessel 36 Mars Pathfinder lander 36 Norm Thagard 36 Mamoru Mohri 36 Apollo astronauts 36 Sirangelo 36 astronaut Sandra Magnus 36 Werner Von Braun 36 NEAR Shoemaker 36 NEEMO 36 Andrei Borisenko 36 Heidemarie M. 36 G. Madhavan Nair 36 Jack Lousma 36 Dominic Antonelli 36 Commander Eileen 36 Stefanyshyn Piper 36 liftoff 36 Elachi 35 Scobee Rodgers 35 Yury Malenchenko 35 Doohan ashes 35 Liu Boming 35 Astronaut Sandra Magnus 35 astronauts Buzz Aldrin 35 Discovery STS 35 commander Rick Sturckow 35 Challenger Space Shuttle 35 Beagle 35 Fei Junlong 35 Samokutyaev 35 Col. Yang Liwei 35 Payload Specialist 35 crewmates 35 Astronaut Daniel Tani 35 ESA Huygens probe 35 A. Heinlein 35 Gregory Chamitoff 35 Giovanni Cassini 35 Fulmor 35 Fincke radioed 35 Space Shuttle Discovery 35 pilot Terry Virts 35 specialists Scott Parazynski 35 Derek Hassmann 35 commander Dmitry Kondratyev 35 Atlantis undocks 35 cosmonauts 35 Cosmonaut Yuri Malenchenko 35 Commander Charlie Hobaugh 35 flyby Cassini 35 astronaut Piers Sellers 35 Walter Wally Schirra 35 Gimli Glider 35 Dordain 35 Gus Grissom Ed 35 Robert Hoot Gibson 35 William Readdy NASA 35 Scolese 35 Pete Theisinger 35 Eugene Cernan 35 Russian Nikolai Budarin 35 Glynn Lunney 35 Rain overcast sky 35 Huygens mission 35 orbiter Cassini 35 spaceflights 35 Lunar Excursion Module 35 manager Mike Suffredini 35 NASA twin rovers 35 Werner von Braun 35 Roger Chaffee 35 astronomer Edwin 35 awarded manned spaceship 35 cosmonaut Sergei Krikalev 35 Geeky tweeters 35 Mars Climate Orbiter 35 VSS Enterprise 35 Aldrin 35 PSLV 35 Laurel Salton 35 Samokutyayev 35 Astronaut Scholarship 35 collectSPACE.com 35 Terry Virts 35 Commander Sergei Krikalev 35 cosmonauts Sergei Volkov 35 cosmonauts aboard 35 astronaut Joseph Acaba 35 Shuttle Discovery docks 35 Armstrong Aldrin 35 MidSTAR 35 Usachev 35 Alan Poindexter 35 Foale 35 commander Dick Scobee 35 Commander Dick Scobee 35 agency Roskosmos 35 ARRL AMSAT 35 Apollo Lunar Module 35 Nikolai Budarin 35 aboard Taurus XL 35 aboard Vostok 35 Barry Wilmore 35 astronaut Kalpana Chawla 35 SpaceX Dragon 35 Wakata 35 Minotaur rocket 35 Discovery astronauts 35 cosmonaut 35 MirCorp 35 shuttle Atlantis STS 35 Gagarin flight 35 Bill Readdy NASA 34 Lunokhod 34 Block 5D 34 Gilruth 34 Orbital Express 34 Tony Antonelli 34 Multi Purpose Crew 34 Sergei Korolev 34 aboard Soyuz spacecraft 34 Educator Astronaut 34 astronaut Yuri Gagarin 34 interplanetary missions 34 Weightless Wonder 34 astronaut Kent Rominger 34 asteroid Eros 34 Apollo 34 Launch Vehicle 34 Tranquillity Base 34 Mars orbiter 34 Dan Bursch 34 Susan Constant Godspeed 34 shuttle Discovery 34 Commander Gennady Padalka 34 Jerrie Cobb 34 humanoid robot R2 34 Shuttle astronaut 34 Robert Heinlein 34 Russian cosmonaut Maxim Suraev 34 asteroid Itokawa 34 commander Zhai Zhigang 34 Bob Curbeam 34 Voyager Galileo 34 skipper Oleg Kotov 34 Melroy 34 spaceflyers 34 Frederick Sturckow 34 Chiaki Mukai 34 Launched Successfully 34 NASA astronaut corps 34 STSS Demo 34 Lieutenant Colonel Yang Liwei 34 G Madhavan Nair 34 Shuttle Endeavour docks 34 Space Infrared Telescope 34 Shuttle Endeavor 34 astronauts Zhai Zhigang 34 Shargin 34 NASAs 34 NASA Astronaut 34 manned lunar landing 34 Kuiper Airborne 34 shuttle crewmates 34 Shuttle docks 34 Spacewalker 34 STP S# 34 Galileo spacecraft 34 Buzz Aldrin 34 unmanned Shenzhou 34 Rick Linnehan 34 Dr. Wernher von 34 Lyndin 34 Russian cosmonauts Sergei Volkov 34 Hubble servicing 34 PSLV C6 34 Krikalev Russian cosmonaut 34 manned lunar missions 34 Richard Gilbrech 34 Valentina Tereshkova 34 Curiosity rover 34 Apollo Skylab 34 shuttle crewmate 34 Gene Roddenberry 34 Cosmonauts Day 34 Russian cosmonaut Yury Malenchenko 34 Nespoli 34 manned Shenzhou 34 F. Readdy NASA 34 Shuttle Endeavour undocks 34 Edwin Buzz Aldrin 34 Polar Lander 34 Apollo lunar landings 34 Soyuz 34 Simonyi 34 unmanned probes 34 Spacewalking 34 Gemini 34 von Weyhe 34 Itokawa 34 Cosmonauts Sergei Volkov 34 Strelka 34 Dick Scobee 34 Russian cosmonaut Alexander Kaleri 34 Huygens lander 34 Sergei Volkov 34 Chairman G. Madhavan 34 Soviet cosmonaut 34 SpaceLoft XL 34 Ryschkewitsch 34 Romanenko 34 Simonetta Di Pippo ESA 34 Krikalev 34 Rutan 34 specialists Lisa Nowak 34 ocean splashdowns 34 aboard SpaceX Falcon 34 Cronkite 34 commander George Zamka 34 Carl Marchetto 34 spacecrafts 34 Mars landers 34 Astronaut Leroy Chiao 34 orbital rendezvous 34 suborbital sounding 34 interplanetary spacecraft 34 Space 34 Russian cosmonauts 34 GPS IIR 34 Kirk Shireman 34 cosmonaut Alexander Kaleri 34 Ocean Salinity SMOS 34 Hayabusa probe 33 moon landings 33 orbiters 33 Lead spacewalker 33 engineer Sandra Magnus 33 Krimigis 33 cosmonaut Valery Tokarev 33 urine recycler 33 Minotaur IV rocket 33 Galaxy Evolution 33 Human Spaceflight Microgravity 33 Space Shuttle Astronaut 33 Italian Roberto Vittori 33 Martian rover 33 SpaceLoft XL rocket 33 Space Shuttle STS 33 Nie Haisheng 33 Russian cosmonaut Fyodor Yurchikhin 33 Jules Verne Automated Transfer 33 MARK KELLY 33 Norwegian polar explorer 33 Viking landers 33 Permanent Multipurpose Module PMM 33 Cosmodrome 33 geosynchronous satellite launch 33 reentry capsule 33 Vladimir Remek 33 Russian cosmonaut Sergei Volkov 33 spokesman Igor Panarin 33 astronaut Charles Camarda 33 defective gyroscope 33 Space Agency 33 Taurus Littrow Valley 33 Robert Curbeam 33 Neutron Spectrometer 33 comet flyby 33 Michael Foale 33 Col. Pamela Melroy 33 Insat 4C 33 aboard Atlantis 33 Mastracchio 33 lander 33 orbit 33 Sputniks 33 cosmonauts Oleg Kononenko 33 Tim Kopra 33 GSLV D3 33 Simonetta Di Pippo 33 SSMEs 33 GOES O 33 Spacewalkers Scott Parazynski 33 astronaut Pam Melroy 33 closest flyby 33 Charlie Camarda 33 winged spacecraft 33 Cosmonautics Day 33 Gernhardt 33 JAXA Satoshi Sano 33 Chandrayaan 33 Launch Scrubbed 33 buckypaper virtually 33 Robotic Exploration 33 Luan Enjie 33 Viking orbiters 33 Canadian Julie Payette 33 DE Cayard 33 Jing Haipeng 33 Orbital Minotaur 33 Bill Mumy 33 engineer Valery Tokarev 33 Mirelson 33 Stevon Booker 33 Rockot 33 commander Frederick Sturckow 33 NASA Lunar Prospector 33 manned lunar module 33 veteran spaceflyer 33 Kiruna Sweden 33 Soviet cosmonaut Alexi Leonov 33 Progress resupply 33 orbiting Mars 33 NA1SS 33 astronaut Tim Kopra 33 SELENE probe 33 Ashly Costa 33 Malcolm Moos 33 astronaut Leroy Chiao 33 Takao Doi 33 Grunsfeld 33 Space Station Status 33 STEVE EMBER 33 Evelyn Husband 33 Gus Grissom Edward 33 TIROS 33 skipper Peggy Whitson 33 Col. Pam Melroy 33 Russell Schweickart 33 Sojourner rover 33 orbital maneuvering 33 astronaut Daniel Tani 33 GSLV F# 33 CRM WizKids Award 33 astronaut Leland Melvin 33 McCuistion 33 Yaogan 33 cosmonaut Pavel Vinogradov 33 New Horizons spacecraft 33 DMSP F# 33 Ranging spacecraft 33 payload 33 Junichiro Kawaguchi 33 Bill Gerstenmaier 33 Madhavan Nair 33 Mars Orbiter 33 Woodrow Whitlow Jr. 33 Kurs automated 33 wife commissioned Celestis 33 astronaut Ronald Garan 33 Charles Lindbergh 33 Johns Hopkins Applied Physics 33 Recovery Experiment SRE 33 Feynman 33 Horizons spacecraft 33 Giove B 33 NASA MESSENGER 33 Automated Transfer Vehicle 32 Commander Yuri Malenchenko 32 Discovery 32 M. Wally Schirra 32 father Owen Garriott 32 Planck spacecraft 32 Maxim Surayev 32 Space Shuttle Columbia 32 Russian cosmonauts Andrei Borisenko 32 NASA astronaut 32 Launch Postponed 32 Russian cosmonaut Yuri Malenchenko 32 Cosmonaut Hotel 32 Jamie Elsila 32 Skynet 5B 32 stationary lander 32 director Chuck Dovale 32 Sputnik 32 Yury Lonchakov 32 GSLV rockets 32 Mars Reconnaissance Orbiter MRO 32 robo chicks 32 Russian cosmonaut Gennady Padalka 32 Atlas 2AS 32 Garriott 32 NASA LCROSS 32 Hale Bopp 32 Cassini Image 32 Commander George Zamka 32 Saturn Cassini 32 Hoshide 32 Rendezvous Pitch Maneuver 32 SpaceX Dragon spacecraft 32 Kim Shiflett 32 Star Trek Scotty 32 Commander Sergei Volkov 32 Joseph Acaba 32 Timothy Kopra 32 cosmonaut Fyodor Yurchikhin 32 ESA astronaut 32 Soviet cosmonaut Yury Gagarin 32 Commander Pamela Melroy 32 MErcury Surface Space ENvironment 32 shuttle Endeavour STS 32 INSAT 4CR 32 Astronaut Nicole Stott 32 Jacques Piccard 32 smoothest flattest spot 32 Rokot booster rocket 32 Comet Halley 32 manned orbital 32 Dryden Flight Research 32 ROCSAT 2 32 Gavura 32 Spacecraft 32 NASA Administrator 32 space shuttles 32 Suraev 32 Halley comet 32 aboard Soyuz rocket 32 Russian cosmonaut Yuri Usachev 32 Kavoshgar 32 Marc Lubet 32 Cape Canaveral FL AHN 32 Sibrel 32 Commander Dmitry Kondratyev 32 unmanned spacecraft 32 Talgat Musabayev 32 retroreflector 32 Ceccacci 32 Astronaut Julie Payette 32 rover Sojourner 32 Martian winters 32 spokesperson Allard Beutel 32 Phobos Grunt 32 Shuttle Discovery arrives 32 Tranquility Base 32 lobate scarps 32 Kononenko 32 Mars Lander 32 ESA Automated Transfer 32 Compton Gamma Ray 32 Stodieck 32 Cassini Equinox 32 Hayabusa 32 Gerstenmaier 32 dubbed taikonauts 32 Suni Williams 32 Eagle lunar lander 32 Dr Kasturirangan 32 Astronaut 32 Nasa 32 Space Station 32 Rick Mastracchio 32 Shenzhou spaceships 32 shuttle 32 Huygens 32 Holly Ridings 32 NASA Space Shuttle 32 Orbital Sciences 32 Camarda 32 SPACE CENTER HOUSTON 32 de Winne 32 commander Charlie Hobaugh 32 Shuttle Atlantis undocks 32 Shuttle Discovery 32 Brown Kalpana Chawla 32 Cargo Launch Vehicle 32 Surayev 32 Kenneth Ham 32 Shuttle Endeavour blasts 32 Dan Tani 32 Shenzhou V spacecraft 32 astronaut Peggy Whitson 32 Space Explorations 32 Russian cosmonauts Alexander Kaleri 32 Samuel Ting 32 Salizhan Sharipov 32 Jupiter flyby 32 Rockot launcher 32 Manned Space 32 Rick Grammier 32 spacecraft Chandrayaan 1 32 SARSAT 32 BepiColombo 32 Vehicle ATV 32 Russian Gennady Padalka 32 manned spacecraft 32 Nasa Mars Reconnaissance 32 Soviet cosmonaut Aleksei Leonov 32 Rick Husband 32 moons Phobos 32 Optical Spectroscopic 32 Shuttle undocks 32 Lunar Rover 32 Mini Thermal Emission 32 Cabeus crater shortly 32 Astronaut Eileen 32 Helen Sharman 32 Infrared Astronomy SOFIA 32 Lunar Surface 32 Pillinger 32 spacecraft orbited 32 Discovery Joseph Acaba 32 KSC Visitor Complex 32 sweethearts Gabby 32 Meridiani plains 32 H. Curtiss 32 spacesuit 32 Koichi Wakata 32 Dmitry Kondratyev 32 Noguchi greeting 32 Reisman 32 moon Buzz Aldrin 32 Mars Surveyor 32 Endeavour astronauts 32 DART spacecraft 32 splashdown 31 Shenzhou VI craft 31 Baikonur Cosmodrome Kazakhstan 31 astronauts Robert Curbeam 31 Leroy Cain 31 LRO LCROSS 31 Squyres 31 astronaut Ron Garan 31 Ultraviolet Imaging Spectrograph UVIS 31 GLONASS M 31 Kazakhstan Baikonur Cosmodrome 31 aviator Charles Lindbergh 31 Daniel Sacotte 31 Dragon capsule 31 Chandrayan 31 lunar missions 31 geosynchronous communications 31 telescopic observations 31 spacecraft Shenzhou 31 Becky Ramotowski 31 TacSat 31 Onizuka 31 Endeavour 31 Krikalyov 31 Soyuz TMA #M 31 K. Lichtenberg 31 Stephen Frick 31 Soyuz TMA spacecraft 31 Roger Launius 31 Laika 31 Virgin Galactic unveils 31 Cape Canaveral 31 spaceman 31 Faget 31 Yuri Lonchakov 31 National Aeronautics 31 Kopra 31 Guy Bluford 31 Commander Fyodor Yurchikhin 31 ESA ASI 31 Vikram Sarabhai 31 ice cream tubby 31 Kloeris 31 Lomell 31 Endeavour docked 31 Shenzhou manned 31 allegedly stalked Shipman 31 astronomer Johannes Kepler 31 Sully Sullenberger III 31 consolingly 31 Pegasus XL 31 planetary exploration 31 moons orbiting Saturn 31 Majel Barrett Roddenberry 31 Mike Fincke radioed 31 Cassini 31 Lovell Fred Haise 31 McNair Ellison Onizuka 31 Jake Garn 31 engineer Salizhan Sharipov 31 quote unquote dusty 31 Soyuz rocket carrying 31 Cady Coleman 31 Risky Spacewalk 31 Soviet Union Yuri Gagarin 31 Annette Tombaugh Sitze 31 Gutheinz 31 orbit insertion 31 suborbital flight 31 Andrey Borisenko 31 CHIPSat 31 Randy Bresnik 31 NFIRE 31 Irene Mona Klotz 31 Endeavour STS 31 CDR SO 31 Chang'eI 31 Kounotori2 31 Kepler observatory 31 manager Alan Thirkettle 31 StenniSphere 31 Reconnaissance Orbiter 31 Astronaut Gregory Chamitoff 31 Isro 31 Caldwell Dyson 31 A# spacecraft 31 Bob Ess 31 spacewalker 31 crewed spacecraft 31 Frank De Winne 31 Morton Thiokol 31 Thiokol 31 Muszaphar 31 Lisa Persdotter 31 comet chaser 31 SolarWinds SolarWinds.com 31 ESA SMART 31 SSETI Express 31 Sam Durrance 31 resident Gregory Chamitoff 31 Hubble Space 31 manned spaceship 31 Opportunity Mars rover 31 Steins asteroid 31 spacesuit gloves 31 capsule 31 rover Spirit landed 31 asteroid Steins 31 Huygens probe 31 Alan Thirkettle 31 Halley Comet 31 SMOS Soil Moisture 31 Andrew Chaikin 31 Foton spacecraft 31 Anik F3 31 LADEE 31 Orbiters 31 Lunar CRater Observation 31 GOCE 31 James Smithson Bicentennial 31 Final Spacewalk 31 tile filler 31 Grumman Aerospace 31 spaceship 31 Qian Xuesen 31 NPO Lavochkin 31 Commander Leroy Chiao 31 Zhai Zhigang 31 Astronaut Scott Parazynski 31 astronaut Buzz Aldrin 31 Mike Sarafin radioed 31 manned spacecraft Shenzhou VI 31 Zhang Jianqi 31 engineer Oleg Kononenko 31 Thales Alenia 31 Kennedy Space 31 Fincke 31 Satellite Successfully Launched 31 Leroy Chiao 31 WhiteKnightTwo mothership 31 commander Sergei Volkov 31 Planetary Studies 31 spaceward 31 astronauts Jing Haipeng 31 space shuttle Discovery 31 Mars Odyssey spacecraft 31 renowned cosmologist 31 laser altimeter 31 Percival Lowell 31 song Butterfly Kisses 31 PSLV C# 31 astronomer Clyde Tombaugh 31 Satcher Jr. 31 undocks 31 Lee Archambault 31 Environment Explorer LADEE 31 Japanese astronaut Takao 31 Nasa Mars Odyssey 31 Convection Rotation 31 Solar TErrestrial RElations Observatory 31 Skylab Mission 31 Mikhail Tyurin 31 Alain Berinstain 31 James Doohan 31 Star Trek creator 31 Joe Acaba 31 Russian crewmate Yuri 31 Sturckow 31 Saturn outermost moon 31 spacewalker Scott Parazynski 31 Russian Yuri Malenchenko 31 Discovery undocks 31 Astronaut Randolph Bresnik 31 Hubble gyroscopes 31 Superbird 31 ATV Jules Verne 31 Myrabo 31 Titan flybys 31 Actor Keir Dullea 31 Tony Ceccacci 31 commander Fyodor Yurchikhin 31 Commander Dominic Gorie 31 Air Force TacSat 31 Outpost Tavern 31 Mars Opportunity rover 30 Craig Steidle 30 Spaceflight Participant 30 Carl Sagan 30 NASA rovers 30 Ralph McNutt 30 aboard Endeavour 30 Paul Tibbets 30 Cosmonauts 30 Pedro Duque 30 Glonass M 30 NASA Cassini 30 MARSIS radar 30 spaceflight Paolo Nespoli 30 Aboard Atlantis 30 Kounotori 30 Stardust mothership 30 orbiting spacecraft 30 Hi sweetie 30 astronauts Douglas Wheelock 30 Orion Launch Abort 30 Astronaut Buzz Aldrin 30 Space Shuttle Challenger 30 celestial observations 30 NASA Stardust NExT 30 Astronaut Danny Olivas 30 Virts 30 Charles Camarda 30 ATV Johannes Kepler 30 Orbital