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(Click for frequent words.) 66 Jules Verne ATV 66 IBEX spacecraft 66 Fregat upper stage 65 ATV Jules Verne 65 ESA Rosetta 65 comet chaser 64 Giove B 64 Ariane launcher 64 Curiosity rover 64 Kazakhstan Baikonur Cosmodrome 64 Foton M3 63 ESA GOCE 63 Soyuz FG 63 Automated Transfer Vehicle 63 Vega launcher 63 planetary Transits 62 Japan Kibo laboratory 62 Pirs docking compartment 62 Skynet 5C 62 Multi Purpose Logistics Module 62 Atlas IIAS 62 MPLM 62 Eurockot 62 ESA Huygens probe 61 pressurized module 61 orbital rendezvous 61 BepiColombo 61 Shenzhou V spacecraft 61 Baikonour 61 Cosmodrome 61 GOCE satellite 61 unmanned Shenzhou 61 MetOp 61 PSLV C# 61 ASTRA 1L 61 Convection Rotation 61 Jules Verne Automated Transfer 61 Cryosat 61 Helios 2B 60 GIOVE B 60 Minotaur rocket 60 Kibo module 60 Rockot launcher 60 Soyuz launcher 60 SSMEs 60 Arabsat 5A 60 geo synchronous transfer 60 dexterous robot 60 Eurobot 60 Geo synchronous 60 Shepherding Spacecraft 60 Launch Scrubbed 60 geosynchronous transfer orbit 60 orbiter Cassini 60 LSAM 60 Ariane rocket 60 Progress resupply 60 Lunar Reconnaissance Orbiter LRO 60 PSLV C9 60 Pegasus XL 60 Atlantis Undocks From 60 Pirs Docking Compartment 60 PSLV C# rocket 60 Churyumov Gerasimenko 60 LRO LCROSS 60 Express orbiter 60 Paulo Nespoli 60 ST5 59 Multi Purpose Logistics 59 Permanent Multipurpose Module PMM 59 Skynet 5B 59 Vehicle ATV 59 Satellite Launch Vehicle GSLV 59 geo synchronous 59 unstowed 59 Ocean Salinity 59 SBSS satellite 59 Nasa Mars Odyssey 59 Solar TErrestrial RElations Observatory 59 ESA CNES 59 Shuttle Docks 59 Express AM# 59 spacecraft orbited 59 WISE spacecraft 59 Orbiter MRO 59 Mars Pathfinder lander 59 STP S# 59 NPO Lavochkin 59 Solar Dynamics Observatory 59 SpaceX Dragon 59 SMOS 59 HEO payload 59 probe Chang'e 59 Proba 2 59 MetOp satellite 58 Plesetsk Cosmodrome 58 Insat 3A 58 Human Spaceflight Microgravity 58 manned Shenzhou 58 PSLV C 58 Rosetta comet chaser 58 Russian Dnepr rocket 58 Phobos Grunt 58 Orbital Express 58 Starsem 58 Rosetta spacecraft 58 GPS 2R 58 PSLV C6 58 Atlas 2AS 58 Huygens Probe 58 Ocean Salinity SMOS 58 Mini Thermal Emission 58 Arianespace Ariane 5 58 Ulysses spacecraft 58 Comet Churyumov Gerasimenko 58 Harmony Node 58 SAR Lupe 58 SpaceLoft XL 58 SpaceX Falcon 9 58 Kosmos 3M 58 Thales Alenia 58 Proton Breeze M 58 probe Huygens 58 DART spacecraft 58 Zvezda module 58 Fregat 58 geosynchronous satellite 58 Rosetta orbiter 58 Rockot launch 58 Sun synchronous orbit 58 interplanetary spacecraft 58 Eurockot Launch Services 58 TerraSAR X satellite 58 Shuttle Endeavor 58 ISRO Chandrayaan 58 Ariane 5G 58 Baikonur Kazakhstan 58 Pirs module 58 External Stowage Platform 58 GOCE 58 GPS IIR M 58 suborbital trajectory 58 Russian Soyuz Fregat 58 LISA Pathfinder 58 Launch Abort System 58 Soyuz FG carrier 58 SMOS satellite 57 ESA Herschel 57 Breeze KM 57 unmanned Progress 57 New Horizons spacecraft 57 OMS pods 57 Orbiter LRO 57 Facility SIRTF 57 Optus D3 57 ESA ASI 57 Foton spacecraft 57 PSLV C8 57 Atlantis undocks 57 Ares IX rocket 57 GOES O 57 spacecraft 57 Cargo Launch Vehicle 57 Poisk module 57 payload fairing 57 ExoMars rover 57 external stowage 57 Kounotori2 57 spacecraft Chandrayaan 1 57 nanosatellite 57 ESA SMART 57 ELM PS 57 Cloud Aerosol Lidar 57 ASTRA 3B 57 GPS IIF 57 Infrared Astronomy SOFIA 57 Laboratory MSL 57 NASA Ares IX 57 Glonass navigation satellites 57 Redu Belgium 57 Solid Rocket Boosters 57 Wallops Island Va. 57 HB SIA 57 TanDEM X 57 twin STEREO spacecraft 57 unpiloted 57 Commander Sergei Volkov 57 Philae lander 57 MESSENGER spacecraft 57 Relations Observatory STEREO 57 Soyuz #S 57 ASTRA 1KR 57 infrared observatory 57 orbiting gamma ray 57 Cargo Carrier 57 ESA Planck 57 geosynchronous satellite launch 57 Flyby spacecraft 57 Rockot 57 Hubble Space Telescope HST 57 System OBSS 57 Ariane launchers 57 PSLV C7 57 Globalstar satellites 57 Cargo Ship Docks 57 Infrared Pathfinder Satellite 57 Kliper 57 Huygens lander 56 Kiruna Sweden 56 Poisk 56 ESA ESTEC 56 Shallow Subsurface Radar 56 Soyuz rocket 56 Léopold Eyharts 56 Comet #P/Churyumov-Gerasimenko 56 ESOC 56 Foton M2 56 SSETI Express 56 airborne observatory 56 Astrium Satellites 56 H IIB 56 Planck satellite 56 Yinghuo 1 56 propellant loading 56 Observatory SDO 56 Orbiter 56 Roman Romanenko 56 YES2 56 NAVSTAR Global Positioning System 56 Logistics Module 56 Hubble Space telescope 56 Volna rocket 56 Optical Spectroscopic 56 Observatory STEREO 56 Orbital Module 56 Atlantis payload bay 56 HTV2 56 Jupiter Icy Moons 56 Planck spacecraft 56 ROCSAT 2 56 Harmony node 56 Atlantis STS 56 commander Leroy Chiao 56 Lunar Rover 56 SpaceShipTwo SS2 56 INSAT 4CR 56 Kibo pressurized 56 Delfi C3 56 undocks 56 NextSat 56 Stratospheric Observatory 56 Mission SRTM 56 jagged ridge 56 Lunar Orbit 56 station Pirs docking 56 CAPE CANAVERAL Astronauts 56 P#/P# truss 56 Eurostar E# 56 comet #P/Churyumov-Gerasimenko 56 manned Soyuz 56 robotic Canadarm 56 Oefelein piloted 56 Soyuz TMA spacecraft 56 Spacecraft Operations 56 Orbital Sciences Taurus 56 Herschel Planck 56 NROL 56 geosynchronous 55 Zenit 3SL rocket 55 Solar Sail 55 flyby spacecraft 55 enters lunar orbit 55 GPS IIF satellite 55 Mars Reconnaissance Orbiter MRO 55 Martian orbit 55 ESA SMOS 55 Pad #B 55 uncrewed 55 Kosmos 3M rocket 55 satellite Giove 55 Tranquility node 55 Zarya module 55 Cygnus spacecraft 55 ISS robotic arm 55 Planetary Transits 55 Virgin Galactic unveils 55 Vehicle CEV 55 GSLV rocket 55 Remote Manipulator System 55 Mars moon Phobos 55 Soyuz spacecraft docked 55 Plesetsk 55 Permanent Multipurpose Module 55 Yasny 55 spaceplane 55 AEHF satellite 55 Soyuz Fregat rocket 55 Baikonur Cosmodrome Kazakhstan 55 orbiter payload bay 55 Recovery Experiment SRE 55 NPOESS Preparatory Project 55 Alcatel Alenia 55 Sojourner rover 55 Chang'eI 55 ADM Aeolus 55 Kibo robotic arm 55 Alexander Samokutyaev 55 Galileo spacecraft 55 orbital insertion 55 WhiteKnightTwo WK2 55 Lunar CRater Observation 55 BepiColombo mission 55 Geostationary 55 manned spaceships 55 Briz M booster 55 LightSail 1 55 Huygens mission 55 shuttle Canadarm 55 Zenit 3SL 55 CALIPSO satellites 55 lunar spacecraft Chandrayaan 55 GOES N 55 DMSP F# 55 Leonardo Permanent Multipurpose 55 Cassini Huygens 55 composite payload fairing 55 NASA STEREO 55 NASA MESSENGER spacecraft 55 Tranquility Node 55 retroreflector 55 ESA Automated Transfer 55 NASA Stratospheric Observatory 55 ESTEC 55 Kourou French Guyana 55 aboard Soyuz TMA 55 Divine Vessel 55 Automated Transfer Vehicles 55 MUSES C 55 S6 truss segment 55 geo stationary orbit 55 Virgin Galactic SpaceShipTwo 55 highly elliptical orbit 55 entire Milstar constellation 55 GSAT 5P 55 Mars Orbiter 55 NASA THEMIS 55 Martian lander 55 shepherding spacecraft 54 SMOS Soil Moisture 54 Launch Postponed 54 Geo Synchronous Satellite Launch 54 KAGUYA 54 shuttle Endeavour STS 54 Canadarm2 robotic arm 54 INSAT satellite 54 NEAR Shoemaker 54 VIIRS 54 Rosetta lander 54 RSRMs 54 SSRMS Space Station 54 ECA launcher 54 Baikonour Cosmodrome 54 MPCV 54 Soyuz Fregat 54 Shenzhou spacecraft 54 robotic explorer 54 Tranquility module 54 Sojourner Rover 54 NuSTAR 54 WISE telescope 54 Pilot George Zamka 54 STSS Demo 54 COROT satellite 54 Bob Curbeam 54 lander rover 54 KA SAT satellite 54 entered lunar orbit 54 Highly Adaptable Satellite 54 SpaceShip Two 54 A# spacecraft 54 Reaches Orbit 54 X #A WaveRider 54 robotic arm Canadarm2 54 Molniya 54 Metop 54 maneuvering thrusters 54 Saturn Cassini 54 Minotaur IV 54 NASA EPOXI mission 54 pad #A 54 ExoMars Trace Gas 54 orbiter lander 54 aboard SpaceX Falcon 54 Suite VIIRS 54 Simonetta Di Pippo 54 commander Sergei Volkov 54 #/#-ton truss 54 indigenous cryogenic stage 54 Shenzhou VIII 54 Spacecraft 54 equatorial orbit 54 stratospheric balloon 54 Shuttle Discovery blasts 54 George Zamka 54 station Zarya module 54 Kibo JPM JEM Pressurized 54 Rassvet module 54 Vehicle OBV 54 GSTB V2 54 shuttle Discovery blasted 54 lunar orbiting spacecraft 54 Dmitry Kondratyev 54 Cosmo SkyMed 54 INSAT 4A 54 Orion Crew 54 NFIRE 54 ESA astronaut 54 propulsion subsystem 54 lunar landers 54 reentry capsule 54 CBERS 2B 54 Cosmonaut Yuri Gagarin 54 Pad #A 54 INSAT 3A 54 geostationary transfer 54 Simonetta Di Pippo ESA 54 GLAST spacecraft 54 RL# engine 54 astronauts Hans Schlegel 54 spacecraft Cassini 54 orbiting observatories 54 outermost planets 54 Exploration Vehicle 54 Foton M3 spacecraft 54 Axio Imager 54 DigitalGlobe WorldView 54 Moon Mineralogy Mapper M3 54 redock 54 MTSAT 1R 54 Nasa Mars Reconnaissance 54 Specialist Greg Chamitoff 54 Dyna Soar 54 Solar Impulse HB SIA 54 unmanned spaceplane 54 Cassini Huygens spacecraft 54 LEOP 54 stage Naro rocket 54 Shuttle Atlantis docks 54 seven windowed cupola 54 ESA astronaut Christer 54 Koreasat 6 54 Descent Module 54 Crawler Transporter 54 Titan IVB 54 orbiting 54 S1 truss 54 Plesetsk cosmodrome 54 Aero Sekur 54 CHIPSat 53 Saturn moons Titan 53 NFIRE satellite 53 Satellite Launch Vehicle 53 NASA Stardust spacecraft 53 orbiting ISS 53 THEMIS spacecraft 53 Orion LAS 53 Thales Alenia Space 53 Taurus XL 53 Yuri Lonchakov 53 deorbited 53 spaceward 53 Cartosat 2B 53 Shuttle docks 53 payload fairings 53 asteroid Steins 53 winged spacecraft 53 Launch Pad #B 53 Titan flyby 53 Zvezda Service 53 Infrared Astronomy 53 TerraSAR X 53 SpaceLoft XL rocket 53 Helios Prototype 53 countdown dress rehearsal 53 P#/P# integrated 53 laboratory Kibo 53 twin Voyager spacecraft 53 successfully undocked 53 drogue parachute 53 Mars rovers Opportunity 53 André Kuipers 53 Soyuz Spacecraft 53 COSMO SkyMed 53 comet Churyumov Gerasimenko 53 O OREOS 53 Astronaut Julie Payette 53 Envisat satellite 53 TDRSS 53 COMSATBw 53 ExoMars mission 53 Merlin 1C 53 Galileo satellites 53 Antenna LISA 53 Rokot 53 airlock module 53 Proba 53 Space Telescope GLAST 53 GPS IIR 53 SumbandilaSat 53 Orbiter Processing Facility OPF 53 Space Capsule 53 NASA Orbiting Carbon 53 Chajnantor plateau 53 MErcury Surface Space ENvironment 53 preset orbit 53 HAMSAT 53 SSPTS 53 Explorer WISE 53 Naro Space Centre 53 THEMIS Images 53 Leonardo Multi Purpose 53 Mars Color Imager 53 ENVISAT 53 Resourcesat 2 53 DIRECTV 9S 53 Lopota 53 lunar orbiter Chandrayaan 53 shuttle Discovery STS 53 MRM2 53 Special Purpose Dexterous Manipulator 53 Payloads 53 unmanned lunar orbiter 53 Dnepr rocket 53 Solar Orbiter 53 Dmitri Kondratyev 53 Extra Vehicular Activity 53 DC1 Docking Compartment 53 Soyuz launchers 53 aboard Taurus XL 53 Ranging spacecraft 53 aeroshell 53 Discovery undocked 53 windshield wiper maneuver 53 Shenzhou manned 53 Orion Ares 53 robotic spacecraft 53 docking compartment 53 Landsat Data Continuity 53 SSRMS 53 SOHO spacecraft 53 Kibo Japanese 53 Mercury flyby 53 propellant tanks 53 lunar explorer 53 P Churyumov Gerasimenko 53 Soyuz docked 53 Smos 53 orbit insertion 53 Jupiter Ganymede 53 JWST 53 X ray observatory 53 Dragon spacecraft 53 SkySat 53 spacecraft SpaceShipTwo 53 TecSAR 53 deorbiting 53 module Kibo 53 Hubble gyroscopes 53 OBSS 53 Lunar Roving Vehicle 53 Japanese Pressurized Module 53 electric ion propulsion 53 Robotic Arm 53 heatshield 53 Solar Terrestrial Relations 53 CALIPSO 53 Special Purpose Dextrous Manipulator 53 Orion CEV 53 MRM1 53 orbit GEO 53 Cosmonaut Salizhan Sharipov 53 astronaut Rex Walheim 53 SIRTF 53 Technology Centre ESTEC 53 Foton M3 mission 53 Astrosat 53 Astra 1M 53 SIM PlanetQuest 53 spokesman Igor Panarin 53 Commander Charlie Hobaugh 53 STSS satellites 53 Lunar Surface 53 ARCTUS 53 satellites orbiting Earth 53 Block 5D 53 Japanese Kibo laboratory 53 NASAs 53 Astronauts Install 53 rover Sojourner 52 XMM Newton satellite 52 commander Zhai Zhigang 52 Magnetospheric 52 Commander Dmitry Kondratyev 52 Sacred Vessel 52 heaviest payloads 52 Tanegashima Space Center 52 gimbaled 52 MTSAT 52 Skynet 5A 52 Shuttle undocks 52 Ariane 5 52 Orbital Debris 52 SBIRS GEO 52 Servicing Mission 52 perilune 52 GEochemistry 52 Esrange Space Center 52 commander Pam Melroy 52 Shuttle Endeavour docks 52 MARSIS instrument 52 Insat 4A 52 Alphabus 52 Vehicle GSLV 52 Satellites GOES 52 ESA Huygens 52 Impactor 52 Kourou French Guiana 52 Helios 2A 52 director Chuck Dovale 52 gamma ray observatory 52 Space Agency 52 geo stationary 52 sun synchronous orbit 52 Nasa spacecraft 52 Titan 4B 52 starboard truss 52 Launched Successfully 52 SatNews 52 Shenzhou capsule 52 Shenzhou VII spacecraft 52 MUOS satellite 52 astronaut Scott Parazynski 52 SCISAT 52 Mir Space Station 52 NASA Lunar Crater 52 Undocking 52 Japanese Kibo module 52 Kepler Mission 52 Hubble Servicing 52 Terrestrial Planet Finder 52 ESA Mars 52 FD# [002] 52 vehicle PSLV C# 52 Cape Canaveral FL AHN 52 ILS Proton rocket 52 Hispasat 1E 52 Satellite GOSAT 52 Astra 1L 52 Webb Telescope 52 Origins Spectral Interpretation 52 Magnetic Imager HMI 52 WISE infrared 52 P5 truss 52 NASA Lunar Prospector 52 crawler transporter 52 EarthCARE 52 Ranging MESSENGER spacecraft 52 Optus D2 52 ISS 52 Geosynchronous 52 Early Ammonia Servicer 52 Russian Zvezda module 52 Briz M upper 52 Insat 4B 52 Turksat 3A 52 Multi Purpose Crew 52 Mars Pathfinder 52 ESA ERS 52 Baykonur 52 radioisotope thermoelectric generator 52 Mars# 52 LightSail 52 veteran spaceflyer 52 robotic manipulator 52 airglow 52 launchpad #A 52 Asteroid Itokawa 52 XTAR EUR 52 Aboard Endeavour 52 Space Shuttle Atlantis 52 Planck telescope 52 orbiter robotic arm 52 Sensing Satellite LCROSS 52 Shuttle Carrier 52 PSLV rocket 52 Commander Dominic Gorie 52 Astrotech payload processing 52 Shuttle Discovery docks 52 Crew Prepares 52 Taurus XL rocket 52 Moderate Resolution Imaging 52 Astronauts Begin 52 Space Shuttle STS 52 Review FRR 52 Canadarm2 52 Spacesuits 52 robotic rover Spirit 52 OSIRIS 52 Europa Orbiter 52 engineer Oleg Kononenko 52 SHARAD 52 CX OLEV 52 Astronaut Leroy Chiao 52 nEUROn 52 GSLV D2 52 Geo Synchronous Launch Vehicle 52 Spectrograph 52 Atacama Large Millimeter submillimeter 52 Interior Laboratory GRAIL 52 Comet Hartley 2 52 D CIXS 52 Operations Centre ESOC 52 JIMO 52 GSLV rockets 52 Lunar Module Pilot 52 Mars Odyssey spacecraft 52 CARTOSAT 52 ARRL AMSAT 52 giant crawler transporter 52 Launch Vehicle EELV 52 CrIS 52 S#/S# truss segment 52 DISR 52 LCROSS Lunar Crater Observation 52 celestial observations 52 CDR SO 52 Orion Launch Abort 52 Hayabusa probe 52 starboard truss segment 52 JCSAT 9 52 Alexander Samokutyayev 52 Shuttle Atlantis blasts 52 unmanned airship 52 Andrey Borisenko 52 Crew Launch Vehicle 52 SolarEagle 52 APXS 52 International Space Station 52 aircraft Solar Impulse 52 Yuri Shargin 52 ASTRA 1M 52 stationary lander 52 Solar Arrays 52 ESO VLT 52 SPDM 52 Assembly Building VAB 52 Voyager probes 52 INSAT 3E 52 CryoSat satellite 51 HiRISE camera aboard 51 reboost 51 Manned Spacecraft Center 51 Baikonur spaceport 51 Space Shuttle Orbiter 51 GSLV D3 rocket 51 shuttle Endeavor 51 EPOCh 51 Spacewalker 51 WhiteKnight Two 51 Glonass K 51 Solid Rocket 51 Horizons spacecraft 51 Chinasat 6B 51 MEASAT 3a 51 Terrier Orion 51 X#B 51 LEAP X1C 51 Thermal Emission Spectrometer 51 orbiting Saturn 51 Mars orbiting spacecraft 51 Fengyun 2D 51 STPSat 51 SBIRS HEO 51 BBSNews #-#-# NASA 51 engineer Yury Lonchakov 51 Cubesat 51 Rotary Joint SARJ 51 Daniel Sacotte 51 Eutelsat W2A satellite 51 ESA Proba 51 hypersonic scramjet 51 INSAT 4B 51 retrorockets 51 Russian cosmonauts Alexander Skvortsov 51 NASA Gamma ray 51 humanlike robot 51 Russians Alexander Kaleri 51 Anik F3 51 Nuclear Spectroscopic Telescope Array 51 Space Station 51 Jing Haipeng 51 Vehicle PSLV rocket 51 Lunar Orbiter 51 lunar orbit 51 asteroid Lutetia 51 Space Launch Vehicle 51 SIRAL 51 Canadarms 51 Rassvet 51 EO IR sensor 51 Glonass satellites 51 geo synchronous orbit 51 X #B Orbital 51 extravehicular activities 51 S6 truss 51 S#/S# truss 51 atmospheric reentry 51 Kourou spaceport 51 shuttle undocks 51 orbital maneuvers 51 Commander Oleg Kotov 51 Boeing #SP 51 Satish Dhawan 51 SICRAL 1B 51 Phobos Grunt mission 51 Centaur rocket 51 Variable Specific 51 Mission TRMM 51 Astra 3B 51 ARGUS IR 51 ion thrusters 51 High Resolution Imaging 51 Test Vehicle OTV 51 VMS Eve 51 Samokutyayev 51 VIRTIS 51 Venus Climate Orbiter 51 Dynamics Observatory 51 Experiment Logistics 51 Skripochka 51 SpaceshipTwo 51 Shuttle Endeavour 51 Geosynchronous Transfer Orbit 51 DSCS III 51 Satellite Launch 51 Orbiters 51 orbit GTO 51 geostationary satellite 51 H IIA 51 Vostok spacecraft 51 spacecrafts 51 Endeavour STS 51 NASA MESSENGER 51 HiRise camera 51 Thrusters 51 astronaut Ron Garan 51 THEMIS satellites 51 Russians Fyodor Yurchikhin 51 WGS Block 51 Tiangong 51 Orbiter Boom Sensor 51 Sevastyanov 51 Spacebus 51 Astrolab 51 HB SIB 51 Interorbital Systems 51 Stardust spacecraft 51 Russian cosmonaut Dmitry Kondratyev 51 Pirs Docking Compartment airlock 51 GPS Block IIF 51 Japanese Kibo lab 51 NASA twin STEREO 51 SpaceShip 51 Sputnik beeped 51 Nimiq 5 51 Successfully Launched 51 Shuttle Orbiter 51 thrust vector 51 Kazakhstan Baikonur 51 SiRFstar 51 Cassini orbiter 51 commander Charlie Hobaugh 51 Kayser Threde 51 Mars orbiter 51 GSLV Mk III 51 Extremely Large Telescope 51 suborbital spacecraft 51 Cassini Huygens Mission 51 orbital observatory 51 ISS reboost 51 Technology Demonstration JCTD 51 Kounotori 51 geostationary orbit 51 ESA 51 supersonic combustion 51 Alphasat 51 asteroid Itokawa 51 Cassini Equinox 51 Technology Demonstrator 51 Orbital Sciences Pegasus 51 NanoSail D 51 geosynchronous orbit 51 weather satellite TIROS 51 Max Launch Abort 51 twin rover Opportunity 51 piggybacked Huygens probe 51 Geosynchronous Transfer Orbit GTO 51 ARISSat 51 EPOXI spacecraft 51 radar altimeter 51 RSC Energia 51 Falcon 1e 51 SpaceX Falcon 51 KSLV 1 51 ATV Automated Transfer 51 Imaging Spectrometer 51 geostationary 51 Alpha Magnetic Spectrometer AMS 51 Envisat Advanced Synthetic Aperture 51 Mössbauer spectrometer 51 Aquarius SAC 51 Yaogan 51 impactor spacecraft 51 Chandrayaan II 51 hydrazine thrusters 51 Soyuz rocket carrying 51 thruster firings 51 Orbitor 51 INSAT 3D 51 Orbital Taurus II 50 circumlunar 50 Z1 truss 50 aboard Vostok 50 FASTSAT 50 Baikonur launch 50 Atlas Centaur 50 Jiaolong 50 twin fuselages 50 coastal Naro 50 Satellite Successfully Launched 50 Centaur upper 50 Dextre robot 50 payload canister 50 Earth asteroid Itokawa 50 OHB System AG 50 Daniel Sacotte ESA 50 Esrange 50 Landing Tactical Unmanned 50 meteorological satellites 50 satellite GSAT 50 Payload 50 Vehicle PSLV C9 50 Apollo Lunar Module 50 Spektr 50 infrared astronomy 50 prelaunch preparations 50 rocket nose cone 50 spaceflyers 50 polar orbiting 50 orbit 50 Mars rover Curiosity 50 LRO spacecraft 50 gradiometer 50 parachutes malfunctioned 50 Continuity Mission LDCM 50 Space Infrared Telescope 50 Salizhan Sharipov 50 #P/Churyumov-Gerasimenko 50 Climate Sounder 50 Geo IK 50 NEOSSat 50 Yury Malenchenko 50 STS 50 kg payload 50 Saturnian moon Titan 50 alpha rotary 50 spacecraft Hayabusa 50 NASA Interstellar Boundary 50 DIRECTV 7S 50 Noordwijk Netherlands 50 exoatmospheric kill vehicle 50 Martian rovers 50 Payload Hazardous Servicing 50 ESA ESOC 50 thin crescent 50 Insat 4CR 50 Russian cosmonaut Yuri Gagarin 50 Laser Interferometer Space 50 Canadarm robotic arm 50 retrograde orbit 50 frustum 50 Shenzhou VI capsule 50 lunar probe Chang'e 50 Commander Pam Melroy 50 orbiting spacecraft 50 Constellation Observing 50 RISAT 50 lander Philae 50 Reusable Launch Vehicle