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(Click for frequent words.) 67 spaceflight 58 suborbital flight 58 suborbital flights 58 suborbital spaceflight 56 astronauts 56 shuttle missions 55 sub orbital 55 astronaut 54 lunar missions 54 sub orbital spaceflight 54 spaceflyers 54 reusable spacecraft 53 Russian cosmonaut Yuri Gagarin 53 Ron Garan 52 Apollo missions 52 orbital spaceflight 52 Gedmark 52 extravehicular activities 52 manned spaceflight 51 NASA 51 spacecraft 51 human spaceflight 51 Soviet cosmonaut Yuri Gagarin 51 interplanetary missions 51 MirCorp 51 suborbital spacecraft 51 circumlunar 50 manned missions 50 aboard Skylab 50 spaceflyer 50 spokesman Michael Braukus 50 suborbital 50 lunar landings 50 crewed spacecraft 50 Richard Branson Virgin Galactic 50 suborbital space 50 manned lunar missions 50 manned spaceship 50 manned orbital 50 Dominic Gorie 50 manned spacecraft 49 NASA astronaut corps 49 Rutan SpaceShipOne 49 Hubble servicing 49 Soyuz TMA spacecraft 49 spacewalks 49 space shuttle 49 Space Adventures 49 spacefarers 49 microgravity experiments 49 Flight Engineer Suni 49 Discovery STS 49 Shenzhou spacecraft 49 Yury Gagarin 49 cosmonaut 48 aboard Atlantis 48 dexterous robot 48 Soyuz spacecraft 48 duration spaceflights 48 Vostok spacecraft 48 Gagarin flight 48 Krikalev 48 Shenzhou VI craft 48 manned lunar landing 48 NASA astronaut 48 Atlantis STS 48 #/#-hour spacewalk [001] 48 mission Chandrayaan 48 Bigelow Aerospace 48 spacecraft SpaceShipTwo 48 ZERO G 48 liftoffs 48 Yuri Gagarin 48 Konstantin Feoktistov 48 NASA Administrator 48 spacecrafts 48 Foton M2 48 planetary missions 48 Russian cosmonaut Alexander Kaleri 48 astronaut Yang Liwei 48 engineer Timothy Kopra 48 moonwalkers 47 Ken Bowersox 47 commercial spaceline 47 SpaceShip One 47 SpaceShipOne 47 crewed missions 47 Ansari X PRIZE 47 Judy Resnik 47 aboard Soyuz spacecraft 47 Alexander Samokutyayev 47 Piers Sellers 47 SPACE.com 47 Virgin Galactic 47 shuttle Endeavor 47 cosmonauts 47 astronaut Owen Garriott 47 Crew Exploration 47 Shenzhou V 47 Shenzhou VI 47 spacewalk 47 astronaut corps 47 Perminov 47 orbiters 47 Pilot George Zamka 47 Shana Dale 47 SpaceshipTwo 47 JAXA Satoshi Sano 47 Budarin 47 astronaut Jerry Linenger 47 orbited Earth 47 orbit 47 shuttle orbiter 47 Gene Cernan 47 Mike Melvill 47 IceBridge 47 VSS Enterprise 47 cosmonaut Yuri Gagarin 47 Soyuz 47 orbital rendezvous 47 Walter Schirra 46 Infrared Astronomy SOFIA 46 Kliper 46 Cosmonaut Yuri Gagarin 46 director Gary Horlacher 46 Jeff Greason 46 unmanned probes 46 International Space Station 46 Soyuz rocket 46 astronauts Nicole Stott 46 Nikolai Budarin 46 Jing Haipeng 46 Takao Doi 46 Alexei Leonov 46 suborbital spaceflights 46 robotic explorers 46 cosmonaut Fyodor Yurchikhin 46 Norm Thagard 46 engineer Salizhan Sharipov 46 Barry Butch Wilmore 46 taikonaut 46 Owen Garriott 46 Eyharts 46 suborbital spaceships 46 Rosaviakosmos 46 Nasa 46 Simonetta Di Pippo ESA 46 Koichi Wakata 46 SpaceShipTwo SS2 46 space shuttles 46 Soyuz rockets 46 Astronauts 46 ISS crewmember 46 shuttle Atlantis STS 46 Shannon Lucid 46 Mars Pathfinder 45 SpaceX 45 Space Station 45 duration spaceflight 45 William Readdy 45 Russian Nikolai Budarin 45 Foton M3 45 Shenzhou capsules 45 NASAs 45 ISS crewmembers 45 Astronaut Scholarship 45 Chiaki Mukai 45 Col. Yang Liwei 45 Roskosmos 45 Earth orbit 45 Nasa astronaut 45 Roscosmos 45 Payload Specialist 45 Zero Gravity Corporation 45 Minotaur IV 45 spacefaring nation 45 Nikolai Moiseyev 45 Readdy 45 manned suborbital 45 Manned Spacecraft Center 45 Mercury Gemini 45 astronaut Shannon Lucid 45 spaceports 45 spacewalking 45 Zero Gravity Corp. 45 Astronaut Corps 45 ferrying astronauts 45 shuttle Discovery 45 Yang Liwei 45 shuttle Endeavour STS 45 Rick Linnehan 45 aboard Endeavour 45 lunar expeditions 45 De Winne 45 BepiColombo 45 Cernan 45 SpaceShipOne designer 45 manned spaceships 45 Shenzhou VI spacecraft 45 Mars rovers Opportunity 45 Apollo Soyuz 45 John Gedmark 45 Commercial Spaceflight Federation 45 Shenzhou IV 45 humanoid robot bound 45 Psychological profiling 45 Jupiter Icy Moons 45 Ngo Anh 44 William Readdy NASA 44 George Zamka 44 Spaceflight 44 Anousheh Ansari 44 Sacred Vessel 44 robotic spacecraft 44 reusable manned spacecraft 44 Russian Soyuz 44 agency Rosaviakosmos 44 Dennis Tito 44 spacewalkers 44 Qi Faren 44 SpaceX Falcon 9 44 Rocketplane XP 44 robotic rovers 44 Norman Thagard 44 Soyuz capsule 44 Educator Astronaut 44 spokesman Igor Panarin 44 spaceline 44 manned spacecraft Shenzhou VI 44 Russian Mikhail Tyurin 44 Zhai Zhigang Liu Boming 44 Weightless Wonder 44 Rocketplane 44 NASA Astronaut 44 traveled rocketship 44 experimental payloads 44 orbiter 44 Paulo Nespoli 44 Alan Lindenmoyer manager 44 Discovery undocks 44 mere fly bys 44 Soviet cosmonauts 44 Gus Grissom 44 Virgin Galactic spaceship 44 Orion capsule 44 So yeon Yi 44 administrator Sean O'Keefe 44 Russian cosmonauts Andrei Borisenko 44 Virgin Galactic spaceline 44 Progress resupply 44 Soyuz capsules 44 lunar landing 44 ESA astronaut 44 Pete Siebold 44 hypersonic flight 44 Canadian Julie Payette 44 flea hop 44 Vitaly Davydov deputy 44 reentries 44 Shargin 44 Mojave Spaceport 44 Robert Hoot Gibson 44 Russian Soyuz spacecraft 44 Burt Rutan SpaceShipOne 44 Bjarni Tryggvason 44 mission Chandrayan 44 Russian cosmonaut Yuri Usachev 44 Earth orbit LEO 44 Zhai Zhigang 44 Mars landers 44 Virgin Galactic unveils 44 Ellison Onizuka 44 flybys 44 Jerrie Cobb 44 Hubble Servicing 44 spaceplane 44 SpaceShipTwo 44 agency Roskosmos 44 Orion spacecraft 44 Russian Soyuz capsules 44 transoceanic flights 44 Suborbital 43 Daniel Tani 43 Antarctic expeditions 43 PSLV rocket 43 shuttle Discovery STS 43 unplanned spacewalk 43 manned Shenzhou 43 Northrop Grumman Weightless Flights 43 MetOp satellite 43 Commander Pam Melroy 43 Excalibur Almaz 43 Mir Space Station 43 Dragon capsule 43 CHIPSat 43 Canadarms 43 planetary exploration 43 parachutes malfunctioned 43 Cosmonaut Valery Tokarev 43 Shuttle Endeavour blasts 43 windshield wiper maneuver 43 spaceship 43 suborbital spaceship 43 commander Leroy Chiao 43 Nicollier 43 astronaut Peggy Whitson 43 Garret Reisman 43 enters lunar orbit 43 shuttle Atlantis 43 expeditions 43 venerable Soyuz rocket 43 Japan Koichi Wakata 43 SELENE probe 43 orbiting laboratory 43 Tim Kopra 43 microgravity 43 GSLV D3 43 NASA Stratospheric Observatory 43 engineer Nicole Stott 43 Heidemarie Stefanyshyn Piper 43 Kent Rominger 43 Padalka 43 commander Gennady Padalka 43 Maxim Surayev 43 manned spaceflights 43 Naoko Yamazaki 43 Guion Bluford 43 aerobraking 43 OSIRIS REx 43 Zhang Jianqi 43 orbiting observatories 43 atmospheric reentry 43 collectSPACE 43 commercial spaceflights 43 Ares rocket 43 Orbital Express 43 Lunar Lander Challenge 43 payloads 43 Story Musgrave 43 thrusters maneuvered 43 Boris Morukov 43 Russian Soyuz rocket 43 spacemen 43 CAIB recommendations 43 Andrey Borisenko 43 Yuri Shargin 43 zero gravity 43 Lt. Col. Yang Liwei 43 Astronaut 43 Spacewalks 43 William Gerstenmaier 43 ion propulsion 43 commander Dmitry Kondratyev 43 Discovery liftoff 43 Soviet cosmonaut Yury Gagarin 43 flight 43 Pamela Melroy 43 Russian cosmonaut 43 Kavandi 43 Lunar Module Pilot 43 director Gene Kranz 43 Japanese astronaut Takao 43 heliophysics 43 spokesperson Allard Beutel 43 Valentina Tereshkova 43 Shenzhou spaceships 43 CEO Jeff Greason 42 Fyodor Yurchikhin 42 astronaut Pam Melroy 42 aboard Soyuz rocket 42 Soyuz spaceships 42 Mission Specialists 42 Russian cosmonauts 42 DSCS satellites 42 SpaceShip Two 42 NASA Headquarters 42 Enceladus flybys 42 G. Madhavan Nair 42 Commander Gennady Padalka 42 Altair lunar lander 42 ISS resupply 42 Tom Marshburn 42 lunar outpost 42 Shenzhou VII 42 Recovery Experiment SRE 42 EVAs 42 spacesuit 42 orbital maneuvers 42 Talgat Musabayev 42 XCOR Aerospace 42 spacecraft Chandrayaan 1 42 Educator Astronauts 42 ARCTUS 42 SpaceX Dragon 42 Mamoru Mohri 42 Andrei Borisenko 42 Sirangelo 42 Carolyn Wincer 42 engineer Garrett Reisman 42 Mars# 42 astronautics 42 Sergei Gorbunov spokesman 42 shuttle astronauts 42 spokesman Paul Foerman 42 spaceflight participant 42 Bill Gerstenmaier associate 42 SpaceShipOne rocket 42 Donald Deke Slayton 42 Nicole Stott 42 XCOR 42 reusable suborbital 42 Commander Sergei Krikalev 42 engineer Valery Tokarev 42 WK2 42 BepiColombo joint 42 Yuri Koptev 42 shuttle 42 lunar module pilot 42 Edwin Aldrin 42 Reusable Launch Vehicle 42 simulate weightlessness 42 Astrobotic 42 Tryggvason 42 Randolph Bresnik 42 Randy Bresnik 42 Space.com 42 spacewoman 42 unscheduled spacewalk 42 JAXA 42 Russian cosmonaut Sergei Krikalev 42 traveler Richard Garriott 42 UP Aerospace 42 Yury Malenchenko 42 Centennial Challenges 42 unmanned lunar orbiter 42 Astronaut Gregory Chamitoff 42 Mars rovers 42 Oleg Ivanovsky 42 Virgin Galactic SpaceShipTwo 42 spacewalking repairs 42 Buzz Aldrin Apollo 42 required daylight liftoffs 42 Soviet cosmonaut 42 commander moonwalker 42 Shane Kimbrough 42 PSLV C7 42 commander Zhai Zhigang 42 spacemen Timothy Kopra 42 cosmonaut Yuri Malenchenko 42 Commander Rick Sturckow 42 astronaut Kent Rominger 42 unmanned lunar 42 Manned missions 42 Satoshi Furukawa 42 Opportunity Mars rovers 42 Lopez Alegria 42 manned lunar mission 42 cosmonaut Sergei Avdeyev 42 Liu Boming 42 SIM PlanetQuest 42 Opportunity rovers 42 Discovery astronauts 42 Alexander Samokutyaev 42 Buzz Aldrin 42 tourist Charles Simonyi 42 Sun Laiyan 42 celestial observations 42 astronauts aboard 42 NASA astronaut Sunita 41 Jules Verne ATV 41 Bill Readdy NASA 41 astronaut Jack Lousma 41 Shenzhou 41 LADEE 41 Sergei Krikalyov 41 American Astronautical Society 41 Kopra spacewalking duties 41 Jupiter Icy Moons Orbiter 41 Masten Space Systems 41 Galileo satellites 41 Replied Endeavour commander 41 Roman Romanenko 41 unpiloted 41 lunar explorer 41 Christa McAuliffe backup 41 Astronaut Sunita Williams 41 Russian Salizhan Sharipov 41 Barry Wilmore 41 Shenzhou capsule 41 deorbiting 41 Commander Charlie Hobaugh 41 Nie Haisheng 41 Malenchenko 41 space shuttle orbiters 41 Lunar Reconnaissance Orbiter LRO 41 Soviet cosmonaut Valentina Tereshkova 41 Heidemarie M. 41 GOCE 41 lunar exploration 41 ROCSAT 2 41 Oefelein piloted 41 Apollo astronauts 41 spacewalking astronauts 41 astronauts Zhai Zhigang 41 commander Sergei Volkov 41 lunar landers 41 rovers 41 Italian Roberto Vittori 41 Allard Beutel NASA 41 comet flyby 41 Esrange 41 uncrewed 41 spaceliner 41 Space Shuttle 41 launch tweetup 41 Orteig Prize 41 Nasa spacecraft 41 Orion Ares 41 Vehicle CEV 41 CDR SO 41 Rusty Schweickart 41 spacewalker 41 Mike Sarafin radioed 41 Timothy Kopra 41 protruding strips 41 Sevastyanov 41 Valery Polyakov 41 STSS Demo 41 twin Viking landers 41 lunar rovers 41 aboard Soyuz TMA 41 orbiter lander 41 Jon Karkow 41 Yinghuo 1 41 engineer Oleg Kononenko 41 Stardust spacecraft 41 NEOSSat 41 Peter Diamandis 41 Apollo Skylab 41 SpaceLoft XL 41 RSRMs 41 husband Dick Scobee 41 Titan flybys 41 Frank DiBello 41 Colonel Yang Liwei 41 spacewalks astronauts 41 spacesuits 41 countdown dress rehearsal 41 skipper Peggy Whitson 41 Ed Weiler 41 Soyuz TMA #M 41 SpaceX Dragon capsule 41 extravehicular mobility units 41 orbiting complex 41 hypersonic scramjet 41 Yuri Gagarin blasted 41 Astrogenetix 41 Orbital Space 41 Plane OSP 41 Simonetta Di Pipo 41 Divine Vessel 41 closest flyby 41 manned lunar 41 weightlessness 41 perform microsurgery 41 Stephanie Stilson NASA 41 Carl Marchetto 41 SPACE CENTER HOUSTON 41 ice cream tubby 41 chief Anatoly Perminov 41 Dottie Metcalf Lindenburger 41 spacewalking chores 41 catapulted Melroy 41 NASA Space Shuttle 41 crewmate astronaut 41 astronaut Sunita Williams 41 Byron Lichtenberg 41 Kenneth Bowersox 41 engineer Yuri Lonchakov 41 Planck spacecraft 41 astronaut Soichi Noguchi 41 WhiteKnight Two 41 Gemini Apollo 41 Russian cosmonauts Sergei Volkov 41 astronaut Rex Walheim 41 Stefanyshyn Piper 41 Claude Nicollier 41 Shenzhou VII spacecraft 41 Anatoly Perminov 41 Glonass K 41 LISA Pathfinder 41 Soyuz craft 41 Commander Leroy Chiao 41 Apollo lunar 41 Russian cosmonaut Salizhan Sharipov 41 Commander Fyodor Yurchikhin 41 NEEMO 41 Rick Searfoss 41 Dream Chaser 41 lunar orbit 41 lunar probes 41 Sunita Suni Williams 41 Russian Valeri Polyakov 41 astronauts Scott Parazynski 41 Human Spaceflight Microgravity 41 experiments 41 Alexei Krasnov 41 cosmonautics 41 Ares IX rocket 41 Spirit Mars rover 41 Feitian 41 Foale 41 Giove B 41 Spaceward Foundation 41 spaceships 41 Bowersox Pettit 41 Atlantis undocks 41 Endeavour docked 41 ISS Expedition 41 Sergei Volkov 41 father Owen Garriott 41 Terminal Countdown Demonstration 41 astronaut Scott Parazynski 41 Phobos Grunt 41 Minotaur rocket 41 Endeavour STS 41 Space Shuttle Discovery 41 Divine Vessel capsule 41 Commander Eileen 41 Bob Behnken 41 scientist Rafat Ansari 40 Ansari X 40 Grunsfeld 40 6 #/#-hour spacewalk 40 Stardust capsule 40 nanosatellites 40 Cosmodrome 40 microgravity environment 40 Cosmonauts Day 40 Hayabusa 40 voyages 40 Shuttle Endeavor 40 Martian rovers 40 replace astronaut Sunita 40 indigenous cryogenic stage 40 Commander Peggy Whitson 40 TacSat 40 Gernhardt 40 commander Dick Scobee 40 Operation IceBridge 40 Shuttle commander 40 Tereshkova 40 seater Soyuz spacecraft 40 orbital insertion 40 continental flyovers 40 Samokutyayev 40 Gemini Apollo Skylab 40 Space Shuttles 40 spacesuit gloves 40 Bob Ess 40 astronaut Eugene Cernan 40 SpaceLoft XL rocket 40 Robert Behnken 40 Miguel Lopez Alegria 40 Hubble Space telescope 40 Soyuz landings 40 timer Surayev 40 Eileen Collins 40 Commander Dick Scobee 40 planetary Transits 40 Charles Camarda 40 Xie Mingbao 40 Spacesuits 40 Space Shuttle Endeavor 40 shuttle orbiters 40 FASTSAT 40 sols 40 Director Charles Elachi 40 manager Mike Suffredini 40 Satcher Jr. 40 OSIRIS Rex 40 Nik Halik 40 Atlantis Undocks From 40 hypersonic speeds 40 Space Shuttle Program 40 Daisuke Enomoto 40 grueling spacewalks 40 NASA rovers 40 Xcor 40 Leroy Chiao 40 Personal Spaceflight Federation 40 Launch Abort System 40 Space Agency 40 Curiosity rover 40 Richard Linnehan 40 GSLV rocket 40 Mars Opportunity rover 40 China homemade Feitian 40 Hayabusa probe 40 GSAT 5P 40 Mirelson 40 Virgin Galactic suborbital 40 manned Soyuz 40 GOCE satellite 40 Léopold Eyharts 40 Pang Zhihao researcher 40 astronauts Jing Haipeng 40 Cloutier Lemasters 40 Klinkrad 40 Gagarin 40 Astronaut Sandra Magnus 40 Extra Vehicular Activity 40 Martian rover 40 Wang Zhaoyao 40 twin Mars rovers 40 GOES O 40 GLONASS M 40 veteran spacewalker 40 Wally Schirra 40 Burt Rutan 40 cosmonauts Sergei Volkov 40 blastoff 40 spacefaring nations 40 shuttle undocked 40 engineer Nikolai Budarin 40 lander rover 40 Cargo Launch Vehicle 40 Spaceport Authority 40 Resourcesat 2 40 Scaled Composites 40 Russian cosmonaut Yuri Malenchenko 40 Eric Boe 40 Eileen Hawley 40 director Ginger Kerrick 40 chairman G Madhavan 40 NASA twin rovers 40 Lopota 40 NSBRI 40 Huang Chunping 40 Spacehab 40 Huygens mission 40 Shuttle astronauts 40 Skripochka 40 Cape Canaveral FL AHN 40 spacewalking tourist 40 lunar orbiter 40 Alexey Sitev 40 pilot Charlie Hobaugh 40 Russian cosmonaut Maxim Suraev 40 Simonyi 40 W. Haise 40 robotic landers 40 cryogenic engines 40 A. Cernan 40 director Holly Ridings 40 veteran spaceflyer 40 ARRL AMSAT 40 orbit insertion 40 Daniel Sacotte 40 entire Milstar constellation 40 missions 40 STS 40 scramjet 40 Chandrayaan II 40 Skylab astronaut Owen Garriott 40 propulsion subsystem 40 defective gyroscope 40 Peter H. Diamandis 40 Landsat satellites 40 PSLV C9 40 Atlantis astronauts 40 Mars orbiters 40 EPOXI mission 40 NLSI 40 LASP 40 NuSTAR 40 ultraviolet spectrograph 40 engineer Yuri Malenchenko 40 astronaut Rick Sturckow 39 astronaut Tim Kopra 39 Gene Kranz 39 NYSE ORB 39 Ye Peijian 39 Virgil I. 39 dubbed taikonauts 39 Luan Enjie 39 interplanetary voyage 39 lunar module Eagle 39 astronauts Hans Schlegel 39 Commander Dominic Gorie 39 unmanned payloads 39 Russian Yuri Lonchakov 39 Gerstenmaier 39 cosmonaut Pavel Vinogradov 39 Chiao 39 taikonauts 39 Stafford Covey 39 Pete Theisinger 39 Dordain 39 Landing Facility 39 humanoid robot R2 39 orbiter Atlantis 39 Russian Alexander Kaleri 39 twin rovers 39 astronauts Douglas Wheelock 39 airlock module 39 Oleg Skripochka 39 unmanned Shenzhou capsules 39 Bertrand Piccard 39 Elon Musk SpaceX 39 Interior Laboratory GRAIL 39 Shenzhou VII mission 39 Payloads 39 Chuck Dovale 39 engineer Sandra Magnus 39 Richard Vondrak 39 Col. Pamela Melroy 39 Ed Weiler NASA 39 Stratospheric Observatory 39 GPS IIF 39 scramjets 39 Garriott 39 Surayev 39 GeneSat 39 Russians Alexander Kaleri 39 Geeky tweeters 39 Laboratory MSL 39 Glonass satellites 39 Shenzhou V spacecraft 39 SpaceShipOne prototype 39 Vinogradov 39 Mars #/#-gravity 39 Magnificent Desolation 39 space shuttle Discovery 39 Commercial Reusable Suborbital 39 Ares IX 39 John Grunsfeld 39 director Charles Elachi 39 simulated weightlessness 39 twin rover Opportunity 39 Schragger adds 39 ballistic descent 39 Tokarev 39 Shenzhou manned 39 Woodrow Whitlow Jr. 39 Mars Surveyor 39 Shuttle astronaut 39 Chandrayaan 39 Pam Melroy 39 Jim Paulsen SSME 39 onboard Chandrayaan 39 O OREOS 39 Yury Lonchakov 39 NPO Lavochkin 39 Spaceflight Participant 39 Rutan 39 Human Spaceflight 39 Launch Vehicle 39 Test TCDT 39 engineer Koichi Wakata 39 Globalstar satellites 39 cosmonaut Valery Tokarev 39 Oceansat 2 39 Mars Pathfinder lander 39 turned mutant superheroes 39 Japanese astronaut Koichi 39 Yurchikhin 39 Col. Ilan Ramon 39 geosynchronous satellites 39 Dmitry Kondratyev 39 Astronaut Peggy Whitson 39 Spacewalker 39 Systems Mission Directorate 39 Aeronautics Subcommittee 39 Soyuz capsule carrying 39 unmanned spacecraft 39 shuttle Endeavour astronauts 39 spacecraft Chandrayaan 39 Sturckow 39 Fuk Li manager 39 Helen Sharman 39 Suni Williams 39 Russian cosmonaut Pavel Vinogradov 39 Chairman G Madhavan 39 weather satellite TIROS 39 Armstrong Aldrin 39 Biomedical Problems 39 Mars Reconnaissance Orbiter MRO 39 Armadillo Aerospace 39 Russian Soyuz spaceship 39 Virgil Gus Grissom 39 Bill Gerstenmaier 39 Russian Soyuz capsule 39 pressurized spacesuits 39 Metcalf Lindenburger 39 CAPE CANAVERAL Astronauts 39 Russian cosmonaut Anatoly Solovyov 39 WhiteKnightTwo mothership 39 orbital 39 Shuttle Discovery astronauts 39 Russian Pavel Vinogradov 39 X #A 39 Xerus 39 Michael Braukus 39 KSLV 1 39 Ares IY 39 Deke Slayton 39 NASA Kepler spacecraft 39 Sergei Krikalev 39 EZ Rocket 39 Administrator Sean O'Keefe 39 unpowered glider 39 Mark N. Sirangelo 39 McNair Ellison Onizuka 39 Donn Eisele 39 Svetlana Savitskaya 39 Muszaphar 39 Fei Junlong 39 liftoff 39 orbiting observatory 39 Yuri Malenchenko 39 Vostok 3KA 39 remote sensing satellites 39 NFIRE 39 ship thermal shielding 39 Breitling Orbiter 39 robotic rover 39 robotic explorer 39 Konrad Dannenberg 39 Soyuz docked 39 winged spacecraft 39 Grammier 39 specialists Scott Parazynski 39 teacher Christa McAuliffe 39 laser altimeter 39 Astronauts inspect 39 STS #L 39 Rover MER 39 Mars orbiter 39 prelaunch preparations 39 Dyna Soar 39 geo stationary orbit 39 pilot Markus Scherdel 39 Lori Garver 39 LEMV 39 Russian Valery Tokarev 39 postflight 39 extravehicular 39 Holly Ridings 39 spacecraft orbiting 39 Alexander Kaleri 39 schoolteacher Christa McAuliffe 39 June Scobee Rodgers 39 RKK Energia 39 Shuttle Docks 39 Chandrayan 39 Fossum Piers Sellers 39 Kirk Shireman 39 Christopher Scolese 39 Orbiter MRO 39 geosynchronous satellite launch 39 Space Shuttle STS 39 Branson Virgin Galactic 39 ion propulsion engines 39 Kepler spacecraft 39 heaviest payloads 39 shuttle Challenger 39 fairing separation 39 engineer Burt Rutan 39 cosmonaut Sergei Krikalev 39 Gorie 39 Oleg Kononenko 39 rover Sojourner 39 Shuttle Discovery 39 angkasawan 39 Research Organisation Isro 39 hypersonic glider 39 Gossamer Condor 39 BioSuit 39 Heliophysics Division 39 director Tony Ceccacci 39 Rhea Seddon 39 designer Burt Rutan 39 Paul Spudis 39 astronauts Ellison Onizuka 39 reusable hypersonic 39 Wakata 38 Daniel Sacotte ESA 38 shuttle undocks 38 spokesman Glenn Mahone 38 Pavel Vinogradov 38 RSC Energia 38 flights 38 Interorbital Systems 38 CCDev 38 suborbital hop 38 Marco Caceres 38 STORRM 38 SPACEHAB