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(Click for frequent words.) 69 space shuttle 67 Shuttle Challenger 65 Space Shuttle Challenger 62 Challenger exploded 60 Space Shuttle Columbia 60 teacher Christa McAuliffe 59 Challenger Space Shuttle 58 Christa McAuliffe 58 schoolteacher Christa McAuliffe 58 Vladimir Komarov 57 shuttle fleet 56 shuttle 56 astronauts 56 STS #L 56 shuttle disintegrated 55 Christa McAuliffe backup 55 astronaut Jack Lousma 54 GSLV F# 54 Columbia Accident Investigation 54 orbiter 54 liftoff 54 shuttle Endeavor 54 Space Shuttle 53 Gus Grissom 53 Mars Climate Orbiter 53 NASA 53 spacecraft 53 astronauts Gus Grissom 53 spacecraft disintegrated 52 Wally Schirra 52 shuttle orbiter 52 spy satellites malfunctioned 52 Gus Grissom Edward 52 administrator Sean O'Keefe 52 Russian cosmonaut Yuri Gagarin 52 Challenger 51 space shuttles 51 Sputnik satellite 51 Morgan Christa McAuliffe 51 Judy Resnik 51 Ares IX rocket 51 shuttle Discovery 51 shuttle Discovery STS 51 Shuttle Endeavor 51 foam shedding 51 superhot gases 51 parachutes malfunctioned 51 Yury Gagarin 51 Commander Dick Scobee 51 Roger Chaffee 50 Ron Dittemore 50 shuttle Atlantis STS 50 space shuttle Discovery 50 Virgil Gus Grissom 50 director Chuck Dovale 50 Soviet cosmonaut Yuri Gagarin 50 Baikonur Kazakhstan 50 flyaway foam 50 Soviet cosmonaut Valentina Tereshkova 50 Dick Scobee 50 Cosmonaut Yuri Gagarin 50 engineer Nicole Stott 50 Caldwell Dyson 50 Payload Specialist 50 Virgil I. 49 Space Shuttle STS 49 Hubble servicing 49 tank foam insulation 49 Shuttle Endeavour 49 Norman Thagard 49 Soyuz capsule 49 Polar Lander 49 Taurus XL 49 Kursk submarine 49 Space Shuttle Discovery 49 Soyuz 49 Columbia disintegrated 49 aboard Soyuz spacecraft 49 bipod ramp 49 weather satellite TIROS 49 Space Shuttle Endeavor 49 NASA astronaut corps 49 spaceship 49 astronaut 49 shuttle Endeavour 49 Kalpana Chawla 49 Kazakhstan Baikonur cosmodrome 48 Gus Grissom Ed 48 William Gerstenmaier 48 shuttle missions 48 human spaceflight 48 insulating foam 48 indigenous cryogenic engine 48 Geeky tweeters 48 Shuttle astronaut 48 Jack Swigert 48 Pam Melroy 48 Nasa astronaut 48 astronaut Christa McAuliffe 48 Molniya M 48 thermal tiles 48 Discovery liftoff 48 Dnepr rocket 48 aboard Atlantis 48 atmospheric reentry 48 Discovery STS 48 Soyuz rocket 48 Nimrod MR2 48 flame trench 48 gaseous hydrogen leak 48 cosmonaut Alexander Kaleri 48 Skylab 48 GSLV D3 rocket 48 Cape Canaveral Fla. 48 orbital maneuvering 48 foam insulation peeled 48 NASA LCROSS 48 Pilot Terry Virts 48 aboard Skylab 48 Virgil Grissom 47 Bill Readdy NASA 47 Atlantis undocked 47 astronaut Kalpana Chawla 47 NASA Space Shuttle 47 countdown dress rehearsal 47 Russian cosmonaut Nikolai Budarin 47 spaceflight 47 Norm Thagard 47 Adm. Harold Gehman 47 Rick Husband 47 Readdy 47 Nasa 47 Gagarin flight 47 deorbited 47 Christopher Scolese 47 cosmonaut Pavel Vinogradov 47 astronaut Pam Melroy 47 orbiting telescope 47 INSAT 4C 47 Taurus XL rocket 47 Russian Soyuz rocket 47 commander Dick Scobee 47 Walter Schirra 47 booster rockets 47 Deepwater Horizon 47 astronaut Charles Camarda 47 resistant tiles 47 commander Leroy Chiao 47 Foton M3 spacecraft 47 chief Vladimir Solovyov 47 Pilot George Zamka 47 NASA Administrator 47 Deepwater Horizon drilling 47 June Scobee Rodgers 47 Apollo astronauts 47 heat shield 47 shielding tiles 47 William Readdy NASA 47 Apollo missions 47 Yuri Shargin 47 Apollo Soyuz 47 director Gene Kranz 47 Endeavour docked 47 GSLV D3 46 Kazakhstan Baikonur Cosmodrome 46 astronaut Rick Sturckow 46 astronauts aboard 46 Orion spacecraft 46 Colgan Air Flight 46 Cape Canaveral 46 reusable spacecraft 46 Cosmodrome 46 Shuttle astronauts 46 William Readdy 46 DART spacecraft 46 Soyuz spacecraft 46 shuttle Endeavour STS 46 Mars Polar Lander 46 Curiosity rover 46 astronaut Jerry Linenger 46 Shuttle 46 Orbiting Carbon Observatory 46 Astronaut Peggy Whitson 46 cosmonaut Yuri Gagarin 46 STSS Demo 46 astronaut Owen Garriott 46 Spacewalking 46 INSAT 4CR 46 laboratory Skylab 46 thrusters maneuvered 46 Soviet cosmonaut 46 Transocean Deepwater Horizon rig 46 SSMEs 46 Endeavour 46 Atlantis STS 46 Alexander Samokutyayev 46 coastal Naro 46 wife commissioned Celestis 46 Foton spacecraft 46 astronaut Wally Schirra 46 CryoSat satellite 46 solid rocket boosters 46 fragile thermal tiles 46 Rain overcast sky 46 Orbiters 46 Perminov 46 northern Plesetsk launchpad 46 space shuttle Atlantis 46 Kavandi 46 fiery gases 46 Judith Resnik 45 shuttle Atlantis 45 Atlantis undocks 45 McNair Ellison Onizuka 45 manned lunar landing 45 Vostok spacecraft 45 Terminal Countdown Demonstration 45 Soyuz TMA spacecraft 45 Space Shuttle Endeavour 45 winged spacecraft 45 Space Shuttle Program 45 shuttle underbelly 45 Kent Rominger 45 orbiters 45 Kennedy Space 45 engineer Timothy Kopra 45 Dan Tani 45 Israeli astronaut Ilan 45 Atlas 2AS 45 Bill Gerstenmaier NASA 45 Wallops Flight Facility 45 SELENE probe 45 insulation foam 45 Glonass satellites 45 Soyuz rockets 45 NROL 45 spaceward 45 Ellison Onizuka 45 George Zamka 45 PSLV C6 45 astronaut Shannon Lucid 45 protective thermal tiles 45 Oefelein piloted 45 GSAT 5P 45 defective gyroscope 45 commander Pam Melroy 45 USS Thresher 45 Ares Orion 45 Geosynchronous Satellite Launch Vehicle 45 Canadian Julie Payette 45 Hubble telescope 45 Educator Astronaut 45 RAF Nimrod 45 Minotaur rocket 45 Thermal tile 45 Orion capsule 45 International Space Station 45 aboard Soyuz rocket 45 SpaceX Falcon 45 tank insulating foam 45 NASAs 45 orbited Earth 45 cosmonaut Fyodor Yurchikhin 45 Hubble Space Telescope 45 Baikonur Cosmodrome Kazakhstan 45 shuttle thrusters 45 Nikolai Budarin 45 crawler transporter 45 Morton Thiokol 45 German airship Hindenburg 45 Susan Kilrain 45 Willie McCool 45 GLONASS M 45 testing SpaceShipTwo propellant 45 ocean splashdowns 45 required daylight liftoffs 45 NASA astronaut Sunita 45 flyaway fuel 45 Sacred Vessel 45 manned Soyuz 45 Soyuz craft 45 Deepwater Horizon rig 45 Soyuz Fregat rocket 45 Russian cosmonaut Valery Tokarev 45 broken gyroscope 44 shuttle underside 44 shuttle orbiters 44 Col. Ilan Ramon 44 Dittemore 44 ValuJet Flight 44 MESSENGER spacecraft 44 Russian cosmonaut Maxim Suraev 44 Russians Alexander Kaleri 44 Orbital Express 44 McAuliffe 44 Baikonur Cosmodrome 44 Alexander Kaleri 44 space shuttle Endeavour 44 Mars Pathfinder lander 44 Permanent Multipurpose Module PMM 44 Board CAIB 44 Omar Baez 44 Buzz Aldrin Apollo 44 Pamela Melroy 44 Shuttle Discovery 44 SpaceLoft XL rocket 44 protruding strips 44 astronaut Scott Parazynski 44 Russian Mikhail Tyurin 44 Insulating foam 44 Paulo Nespoli 44 budging Wheelock told 44 Nimrod XV# 44 astronaut Tim Kopra 44 Laval overpass 44 Gagarin 44 Apollo Skylab 44 Mercury Gemini 44 Russian Nikolai Budarin 44 PSLV C9 44 Shenzhou IV 44 astronaut Ilan Ramon 44 island volcano Krakatoa 44 shuttle thermal shielding 44 orbiting observatory 44 satellite Sputnik 44 Deepwater Horizon offshore drilling 44 shuttle astronauts 44 Manned Spacecraft Center 44 O. Hobaugh 44 Dragon capsule 44 Rick Linnehan 44 Gemini Apollo 44 protruding thermal 44 Ares IX 44 Atlantis 44 Glonass M 44 Pad #A 44 Kursk submarine disaster 44 heatshield 44 Commander Rick Sturckow 44 Admiral Gehman 44 manned spacecraft 44 Shuttle Endeavour undocks 44 Mir Space Station 44 Engelauf 44 nosecap 44 supersonic airliner 44 Col. Pam Melroy 44 Schirra 44 spacewoman 44 GSLV 44 Russian cosmonaut Fyodor Yurchikhin 44 Centaur rocket 44 1 #/#-pound chunk 44 Woodrow Whitlow 44 faulty gyroscope 44 Donald Deke Slayton 44 cosmonauts aboard 44 heaviest payloads 44 Compton Gamma Ray 44 Stafford Covey 44 ISS Expedition 44 Concorde jet 44 Satish Dhawan 44 Galileo spacecraft 44 comet Shoemaker Levy 44 Russian Soyuz spacecraft 44 Endeavour astronauts inspected 44 Ronald Dittemore 44 bipod fitting 44 Titan IVB 44 Russian leased Baikonur 44 Mars Opportunity rover 44 Gene Kranz 44 Soviet cosmonaut Yury Gagarin 44 Comet Shoemaker Levy 44 spokesman Glenn Mahone 44 Russian Rokot booster 44 astronaut Suni Williams 44 Soyuz TMA #M 44 Terry Virts 44 spokesman Michael Braukus 44 tile filler 44 Oleg Ivanovsky 44 Lunar Module Pilot 44 lunar landing 44 Bob Behnken 43 Soyuz spaceship 43 Administrator Sean O'Keefe 43 Mars rovers Opportunity 43 MetOp satellite 43 GSLV rocket 43 manned orbital 43 pad #A 43 cryogenic propellants 43 CAIB recommendations 43 Rover MER 43 Plane OSP 43 Nasa spacecraft 43 thermal tile 43 payload canister 43 Astronaut Sunita Williams 43 agency Roskosmos 43 Salyut 43 Ares rocket 43 astronaut Leroy Chiao 43 Endeavour STS 43 Sergei Gorbunov spokesman 43 Hubbles 43 Haise 43 Lousma 43 Fairchild Metroliner III 43 LRO spacecraft 43 ferrying astronauts 43 cyanide laced Tylenol 43 Rusty Schweickart 43 TWA Flight 43 liftoffs 43 Deke Slayton 43 Launch Complex 43 Dottie Metcalf Lindenburger 43 SpaceX Dragon capsule 43 Foton M2 43 Tereshkova 43 shuttle Discovery blasted 43 Landing Facility 43 windshield wiper maneuver 43 Outpost Tavern 43 Titan 4B 43 Lunar Module 43 Mars Pathfinder 43 husband Dick Scobee 43 orbiting Hubble telescope 43 lunar module 43 Swissair Flight 43 Owen Garriott 43 Alain Bouillard 43 THEMIS spacecraft 43 Max Faget 43 Space Telescope Imaging Spectrograph 43 flyaway chunk 43 Insat 4C 43 orbiter Atlantis 43 Boisjoly 43 Helios 2B 43 Space Shuttle Atlantis 43 nuclear submarine Kursk 43 TJ Creamer 43 tile fillers 43 Commander Charlie Hobaugh 43 SpaceShipOne rocket 43 foam insulation 43 superheated atmospheric gases 43 SELENE lunar satellite 43 Russian cosmonaut Yury Malenchenko 43 Test TCDT 43 Kazakhstan Baikonur 43 Admiral Hal Gehman 43 RSRMs 43 Cape Canaveral Air Force 43 Mrs. Bresnik 43 Shuttle Endeavour blasts 43 NASA astronaut 43 insulating foam peeled 43 W. Haise 43 LRO LCROSS 43 Deep Horizon rig 43 Astronaut Timothy Kopra 43 RKK Energia 43 payload fairing 43 Admiral Harold Gehman 43 orbital rendezvous 43 Launch Pad #B 43 Ilan Ramon 43 Gehman 43 CAPE CANAVERAL Shuttle Discovery 43 Neil Gehrels 43 Gerstenmaier 43 Aloha Airlines #-# 43 Hubble gyroscopes 43 Valentina Tereshkova 43 Russian cosmonaut Yuri Usachev 43 Bulava missile 43 LCROSS 43 Foton M3 43 Nimrod MR2 aircraft 43 Astronaut Sandra Magnus 43 foam gouged 43 Pulkovo Airlines 43 unmanned spacecraft 43 Mars Surveyor 43 astronaut corps 43 German dirigible Hindenburg 43 liftoff dooming 43 Rick Sturckow 43 traveled rocketship 43 orbiting complex 43 Roman Romanenko 43 historian Roger Launius 43 William Gerstenmaier NASA 43 Naro Space Centre 43 Insat 4CR 43 Baikonur 43 Ariane rocket 43 Leroy Cain 42 VSS Enterprise 42 commander moonwalker 42 Minotaur IV rocket 42 engineer Garrett Reisman 42 PSLV C# rocket 42 Reinforced Carbon Carbon 42 Vehicle GSLV 42 Story Musgrave 42 Allan Cheuvront 42 Shenzhou VI craft 42 specialists Scott Parazynski 42 Astronauts inspect 42 Commander Pam Melroy 42 #/#-minute climb 42 See www.challenger energy.com 42 Atlantis rocketed 42 shuttle undocked 42 External Tank 42 Svetlana Savitskaya 42 prelanding check 42 Hindenburg 42 Loma Prieta Earthquake 42 Robert Hoot Gibson 42 Loma Prieta quake 42 Cosmonautics Day 42 flier Lisa Nowak 42 WISE mapped 42 Cernan 42 Discovery astronauts 42 Atlas IIAS 42 Global Surveyor 42 ValuJet 42 Harold Gehman 42 Charlie Hobaugh 42 Endeavour robotic arm 42 Mars Orbiter 42 Shuttle Discovery blasts 42 lunar excursion 42 SpaceShip One 42 INSAT 4B 42 Astronaut Scholarship 42 Martian orbit 42 SLC 3E 42 Solar Dynamics Observatory 42 Stardust spacecraft 42 station Skylab 42 Samokutyayev 42 battleship USS Arizona 42 Progress resupply 42 Kursk tragedy 42 Space Shuttle Astronaut 42 reentries 42 KSLV 1 42 Nimrod spy 42 CAPE CANAVERAL Astronauts 42 Jack Lousma 42 Commander Eileen 42 Holly Ridings 42 Phobos Grunt 42 Harmony compartment 42 Hubble 42 foam fragment 42 Mars Reconnaissance Orbiter MRO 42 malfunctioning toilet 42 Plesetsk Cosmodrome 42 Shenzhou spacecraft 42 antisatellite weapon 42 Colonel Ilan Ramon 42 director Tony Ceccacci 42 Vehicle CEV 42 astronauts Soichi Noguchi 42 aboard Endeavour 42 Lunar Orbiter 42 Shigaraki western Japan 42 donned bulbous red 42 BP Macondo well 42 Tim Kopra 42 Astronaut 42 lunar module Eagle 42 cryogenic engine 42 commander George Zamka 42 Qantas jumbo 42 Samokutyaev 42 adventure Chamitoff radioed 42 Walter Wally Schirra 42 Russell Schweickart 42 superheated gases penetrated 42 Richard Monetti 42 Apollo lunar 42 Col. Pamela Melroy 42 Chalk seaplane 42 crewed spacecraft 42 Shoemaker Levy 42 Mike Sarafin 42 Dominic Gorie 42 rover Spirit 42 Yuji Kusano maintenance 42 NASA Ares IX 42 Zvezda Service 42 engineer Sandra Magnus 42 Heidemarie Stefanyshyn Piper 42 Bob Ess 42 meteoroid 42 LCROSS mission 42 manager Ron Dittemore 42 urine recycler 42 Dan Bursch 42 F. Readdy 42 Officer Skerski 42 Col. Yang Liwei 42 Shuttle undocks 42 Evelyn Husband 42 Ken Bowersox 42 Shuttle Crew 42 Russian Dnepr rocket 42 Sensing Satellite LCROSS 42 spokesman Igor Panarin 42 Gimli Glider 42 Fred Haise 42 Mission Control 42 Russia Baikonur cosmodrome 42 Yuri Gagarin 42 NASA THEMIS 42 Thiokol 42 gripped Dextre 42 Mike Leinbach shuttle 42 Commander Dmitry Kondratyev 42 Continental Connection turboprop 42 foam 42 Tunguska object 42 Chris Scolese 42 Russian cosmonaut Yuri Malenchenko 42 spaceflyers 42 unmanned probes 42 Dmitry Kondratyev 41 Soyuz TMA 41 Garret Reisman 41 Kenneth Bowersox 41 Vitaly Davydov deputy 41 Astronaut Scott Parazynski 41 Mars Lander 41 lunar module pilot 41 Cape Canaveral FL AHN 41 space shuttle orbiters 41 Horizon rig 41 SPACE CENTER Houston 41 gouged belly 41 Saturn V 41 Concorde 41 flyby spacecraft 41 BP Deepwater Horizon 41 Minotaur IV 41 Satish Dhawan Space 41 built Soyuz spaceship 41 GSLV F# carrying 41 Goodyear airship 41 Cloutier Lemasters 41 Milt Heflin 41 Frank Borman 41 Yury Lonchakov 41 damaged thermal tiles 41 Shenzhou VI spacecraft 41 Cougar Helicopters Flight 41 astronauts Ellison Onizuka 41 H IIB 41 robotic Canadarm 41 Opportunity rovers 41 Webb Telescope 41 Geo Synchronous Satellite Launch 41 Guenter Wendt 41 Lani McCool 41 Divine Vessel 41 supersonic Concorde 41 Cosmonauts Sergei Volkov 41 Sago W.Va. 41 Resourcesat 2 41 Konstantin Feoktistov 41 Spacehab module 41 Milstar satellites 41 Yasny 41 Yuri Koptev 41 ENose 41 Michoud 41 rocket nose cone 41 manned spaceship 41 Oleg Skripochka 41 LCROSS spacecraft 41 Kirstie McCool Chadwick 41 Shuttle Endeavour docks 41 Ares I. 41 #/#-ton truss 41 Julie Payette 41 orbital outpost 41 Proton Breeze M 41 Vandenberg AFB Calif. 41 lunar orbiter 41 Kathelynn Occena 41 aboard Vostok 41 Shuttle Atlantis blasts 41 TWA propeller plane 41 EPOXI mission 41 moonwalkers 41 spacewalker Scott Parazynski 41 space shuttles Endeavour 41 DragonLab 41 Concorde supersonic airliners 41 Voyager spacecraft 41 spacewalker Timothy Kopra 41 landing superheated gases 41 spaceflyer 41 Discovery undocks 41 SpaceX 41 Martian rover 41 orbiting laboratory 41 Airbus A# airspeed sensors 41 aeroshell 41 Jules Verne ATV 41 Victor Saracini 41 Chiaki Mukai 41 GeneSat 1 41 Commander Dominic Gorie 41 planetary Transits 41 Kosmos 3M rocket 41 Ron Garan 41 Mike Suffredini 41 Bandmill plant 41 drilling rig exploded 41 Japan Kibo laboratory 41 F. Readdy NASA 41 spacewalkers Scott Parazynski 41 Deep Impact comet 41 EVAC Ambulance spokesman 41 born astronaut Kalpana 41 Norm Augustine 41 Shuttle Discovery docks 41 Fyodor Yurchikhin 41 USS Scorpion 41 Hindenburg disaster 41 flight paramedic Gayla 41 Tunguska Event 41 Sputnik 41 commander Charlie Hobaugh 41 Starsem 41 Ernst Stuhlinger 41 Educator Astronauts 41 Zenit 3SL rocket 41 Rosetta spacecraft 41 Shannon Lucid 41 Atlantis crewmen 41 Bulava intercontinental ballistic missile 41 Express Samina ferry 41 Miguel Lopez Alegria 41 New Horizons spacecraft 41 Alfred P. Murrah 41 humanoid robot R2 41 Interior Laboratory GRAIL 41 Russian cosmonauts Alexander Kaleri 41 Environment Explorer LADEE 41 Shuttle docks 41 Chatsworth Metrolink 41 Adm. Hal Gehman 41 Orion CEV 41 Fincke radioed 41 lunar orbiter Chandrayaan 41 Transocean Deepwater Horizon 41 GLAST spacecraft 41 interplanetary spacecraft 41 NM spaceport 41 spaceplane 41 spacecrafts 41 ice cream tubby 41 Allard Beutel 41 Russian cosmonauts Andrei Borisenko 41 Continental Connection Flight 41 moonwalker Buzz Aldrin 41 NASA Cosmic Background 41 Gene Cernan 41 indigenous cryogenic stage 41 Fregat upper stage 41 Martian arctic plain 41 recalled Seymour Himmel 41 Cassini Huygens spacecraft 41 Lovell Fred Haise 41 Lunokhod 41 unscheduled spacewalk 41 NASA Stardust spacecraft 41 Scobee Rodgers 41 Deepwater Horizon oilrig 41 pilot Terry Virts 41 Timothy Kopra 41 Eyharts 41 Commander Oleg Kotov 41 QuikSCAT 41 Askariya shrine dome 41 Shepard suborbital 41 Dyna Soar 41 ARRL AMSAT 41 Gavura 41 Atlantis Undocks From 41 Geostationary Operational Environmental 41 Shuichiro Yamanouchi 41 supertanker Exxon Valdez 41 Resourcesat 41 De Havilland Comet 40 Soyuz spacecraft docked 40 spacesuit malfunction forced 40 astronaut Gus Grissom 40 orbiting shuttle 40 Endeavour undocked 40 Loma Prieta earthquake 40 ISS crewmembers 40 Launch Pad #A 40 MTSAT 1R 40 Zamka 40 geosynchronous satellite launch 40 astronaut Yuri Gagarin 40 specialists Lisa Nowak 40 astronaut Soichi Noguchi 40 Kepler observatory 40 Main Engine SSME 40 aboard Soyuz TMA 40 Astronauts Arrive 40 ton truss 40 aboard Taurus XL 40 micrometeoroids 40 Zhai Zhigang Liu Boming 40 Space Station 40 insulating tiles 40 Roger Boisjoly 40 traveler Richard Garriott 40 Sergei Korolev 40 Bob Curbeam 40 supersonic Concorde jet 40 Cryosat 40 Mars orbiter 40 Deepwater rig 40 Stardust capsule 40 undocks 40 Rokot booster rocket 40 cryogenic engines 40 manager Mike Suffredini 40 venerable Soyuz rocket 40 Infrared Astronomy SOFIA 40 Alan Shepard 40 adventure Zamka 40 Russian Valery Tokarev 40 ECO sensors 40 Yuri Gagarin blasted 40 spokesman Robert Mirelson 40 Heidemarie M. 40 Mars Spirit rover 40 Chernobyl Reactor 40 superheated gases surrounding 40 gumdrop shaped capsule 40 Beslan hostage 40 Sam Durrance 40 Observatory SDO 40 manned spacecraft Shenzhou VI 40 Viking orbiters 40 Solid Rocket Boosters 40 Lunar Orbiter Image 40 engineer Christopher Scolese 40 Guion S. 40 Simonetta Di Pippo ESA 40 tourist Richard Garriott 40 gashed wing 40 Rex Geveden 40 Soyuz rocket carrying 40 Derek Hassmann 40 Sergei Korolyov 40 Endeavour belly 40 Soviet cosmonauts 40 commander Alexander Skvortsov 40 LCROSS Centaur upper 40 Roskosmos 40 named Rassvet 40 Endeavour astronauts 40 Flame Trench 40 supercarrier USS Forrestal 40 Zvezda module 40 Bluford Jr. 40 commander Sergei Krikalev 40 Tracy Caldwell Dyson 40 Bresland 40 Baikonur cosmodrome 40 Edwin Aldrin 40 spacemen Timothy Kopra 40 Russian Salizhan Sharipov 40 Flight Readiness 40 manned spaceflight 40 Aboard Endeavour 40 Alexander Skvortsov 40 unsinkable Titanic 40 #/#-hour spacewalk [001] 40 Randy Bresnik 40 submarine HMCS Chicoutimi 40 cosmonauts 40 Russian Soyuz Fregat 40 booster rocket 40 shuttle Endeavour astronauts 40 Cosmic Background Explorer 40 Chang'eI 40 Apollo 40 Ryschkewitsch 40 Andrey Borisenko 40 director Mike Leinbach 40 Eileen Collins 40 cosmonauts Sergei Volkov 40 Astronaut Eileen 40 Skylab astronaut Owen Garriott 40 capsule 40 Flyaway foam remained 40 towing glider 40 Weightless Wonder 40 M2 F2 40 Maxim Surayev 40 Spacewalking astronaut 40 Cosmodrome Kazakhstan 40 superheated gases 40 Cryospheric Sciences Branch 40 Russian Soyuz 40 Wallops Island Va. 40 Dick Nafzger 40 Roger Tetrault 40 Huygens mission 40 Francis Dick Scobee 40 spokesman Junichi Sawada 40 Milwaukee Hoan Bridge 40 blastoff 40 Lakehurst NJ killing 40 NEAR Shoemaker 40 SpaceLoft XL 40 unpiloted 40 SpaceX Falcon 9 40 Mike Melvill 40 Horizons spacecraft 40 ARCTUS 40 Mt Erebus 40 orbiting Hubble Space Telescope 40 Lopez Alegria 40 Japan Koichi Wakata 40 rocket booster 40 Pad #B 40 Scott Parazynski 40 Anatoly Perminov 40 engineer Nikolai Budarin 40 Tanegashima Space Center 40 Stuhlinger 40 rig Deepwater Horizon 40 NASA Orbiting Carbon 40 Squyres Cornell 40 orbital debris 40 Shenzhou V spacecraft 40 coolant loops 40 Russian cosmonaut Alexei Leonov 40 Kepler Telescope 40 Zarya module 40 Rosaviakosmos 40 2F rocket 40 deorbit 40 Dr. Mae Jemison 40 Suni Williams 40 NASA Voyager spacecraft 40 Kliper 40 Seaport Taxi 40 Commander Pamela Melroy 40 pressurized compartments 40 Konrad Dannenberg 40 orbiter robotic arm 40 somersaulting maneuver 40 Mars Odyssey orbiter 40 Pirs Docking Compartment 40 Shenzhou VII spacecraft 40 PB4Y 40 Hubble Telescope 40 moonship 40 Elbon 40 ASTRA 1KR 40 Commander George Zamka 40 Russian cosmonaut Alexander Kaleri 40 A. Cernan 40 Salizhan Sharipov 40 Space Shuttles 40 lander 40 Zhuang Ling 40 NEEMO 40 Discovery thermal tiles 40 crewmates 40 Rockot 40 Barry Butch Wilmore 40 docking compartment 40 engineer Oleg Kotov 40 Launch Vehicle