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(Click for frequent words.) 81 NASA Stardust spacecraft 69 NASA MESSENGER spacecraft 69 Cassini Huygens spacecraft 69 comet dust 68 MESSENGER spacecraft 68 Deep Impact spacecraft 68 Comet #P/Churyumov-Gerasimenko 68 spacecraft 68 New Horizons spacecraft 68 flyby spacecraft 68 asteroid Itokawa 67 robotic explorer 67 Messenger spacecraft 67 comet Wild 67 Mars Reconnaissance Orbiter MRO 66 Churyumov Gerasimenko 66 Lunar Reconnaissance Orbiter LRO 65 Galileo spacecraft 65 Nasa spacecraft 65 WISE spacecraft 65 EPOXI mission 65 Stardust capsule 65 comet Churyumov Gerasimenko 64 Hubble Space telescope 64 Rosetta spacecraft 64 comet particles 64 Cassini Huygens 64 Comet Hartley 2 64 Kepler spacecraft 64 NASA EPOXI mission 64 ESA Rosetta 64 Orbiter LRO 64 comet chaser 63 Hayabusa probe 63 comet Hartley 2 63 asteroid Steins 63 Comet Hartley 63 NASA rovers 63 robotic spacecraft 63 Cassini spacecraft 63 Mars Odyssey spacecraft 63 interstellar particles 62 NASA Cassini spacecraft 62 rover Spirit 62 NASA Voyager spacecraft 62 OSIRIS REx 62 comet #P/Churyumov-Gerasimenko 62 NASA Kepler telescope 62 interstellar dust samples 62 comet Tempel 1 62 Voyager spacecraft 62 Reconnaissance Orbiter 62 lander 62 IBEX spacecraft 61 orbiting spacecraft 61 orbiter 61 orbiting observatory 61 Cassini 61 comet nucleus 61 Stardust NExT 61 rover Opportunity 61 Ranging spacecraft 61 Epoxi 61 Opportunity rover 61 Tempel 1 61 Hayabusa spacecraft 61 Philae lander 61 asteroid Vesta 61 Chang'eI 61 comet flyby 60 #P/Churyumov-Gerasimenko 60 Rosetta comet chaser 60 O OREOS 60 twin Voyager spacecraft 60 asteroid Eros 60 WISE telescope 60 Curiosity rover 60 Mars moon Phobos 60 Kepler Telescope 60 Saturn Cassini 60 THEMIS satellites 60 NanoSail D 60 ESA Huygens probe 60 Huygens 60 Solar Dynamics Observatory 60 reconnaissance orbiter 60 Mars Lander 60 Rosetta orbiter 60 Japan Hayabusa spacecraft 60 ESA Huygens 59 Mars orbiter 59 Horizons spacecraft 59 Martian orbit 59 Voyager probes 59 Kepler Mission 59 Comet Boethin 59 Viking Lander 59 Orbiter MRO 59 MESSENGER 59 NASA Kepler spacecraft 59 Deep Impact probe 59 EPOXI 59 comet 59 impactor spacecraft 59 EPOXI spacecraft 59 Deep Impact comet 59 Minotaur rocket 59 Convection Rotation 59 Comet Halley 59 Earth asteroid Itokawa 59 Mars Pathfinder lander 59 Itokawa asteroid 59 Herschel Space Telescope 59 Observatory SDO 59 NASA Opportunity rover 59 unmanned spacecraft 59 Hayabusa capsule 59 YES2 59 orbiting Mars 59 NASA Kepler 59 LCROSS spacecraft 59 orbital rendezvous 59 LRO spacecraft 58 Mars Opportunity rover 58 Huygens probe 58 Mars lander 58 APXS 58 Cassini orbiter 58 comet chaser Rosetta 58 stationary lander 58 spacecraft Cassini 58 NFIRE satellite 58 THEMIS Images 58 P Churyumov Gerasimenko 58 Proba 2 58 Mars Reconnaissance Orbiter 58 twin rover Opportunity 58 Martian rover 58 orbiting observatories 58 Martian rovers 58 Sensing Satellite LCROSS 58 weather satellite TIROS 58 Mars Orbiter Camera 58 Sojourner rover 58 NASA Deep Impact 58 BepiColombo 58 irregularly shaped asteroid 58 Mars rover Opportunity 58 Foton spacecraft 58 Nasa Mars Reconnaissance 58 shepherding spacecraft 58 Deep Impact flyby spacecraft 58 Titan flyby 58 Ulysses spacecraft 58 Mars Odyssey orbiter 58 cometary dust 58 NASA THEMIS 58 Deep Impact mission 58 highly elliptical orbit 57 SpaceLoft XL rocket 57 DART spacecraft 57 ESA ASI 57 Interior Laboratory GRAIL 57 CALIPSO 57 Dragon capsule 57 Mars orbiting spacecraft 57 Doohan ashes 57 NASA Lunar Reconnaissance 57 cometary 57 aboard Atlantis 57 LCROSS 57 Stardust NExT mission 57 Foton M3 57 Saturn outermost moon 57 Lunar Orbiter 57 LORRI 57 robotic rovers 57 lander rover 57 preset orbit 57 NASA STEREO 57 impactor 57 simulated lunar 57 NASA LCROSS 57 spacecraft orbiting 57 Comet Churyumov Gerasimenko 57 Kazakhstan Baikonur Cosmodrome 57 lunar landers 57 HiRISE camera 57 rovers Spirit 57 Nasa Mars Odyssey 57 Lunar CRater Observation 57 PSLV C# rocket 57 STEREO spacecraft 57 Express orbiter 57 nanosatellite 57 NASA Stratospheric Observatory 57 orbiting 57 robotic rover 57 Wallops Island Va. 57 probe Huygens 57 NuSTAR 57 Ares IX rocket 57 Huygens lander 57 SCISAT 57 Huygens Probe 57 microscopic imager 57 Phoenix lander 57 Mars Pathfinder 57 lunar orbiter 57 WMAP satellite 56 Hubble Space Telescope 56 Mars rovers Spirit 56 Viking landers 56 Orion spacecraft 56 Foton M2 56 NASA twin rovers 56 Comet Tempel 1 56 gamma ray observatory 56 Rover MER 56 comet Wirtanen 56 Atlas 2AS 56 GOCE satellite 56 SIRTF 56 lunar probe Chang'e 56 Huygens mission 56 SIM PlanetQuest 56 Sojourner Rover 56 GOES O 56 NFIRE 56 LightSail 56 Hubble Space Telescope HST 56 Kepler observatory 56 Shenzhou spacecraft 56 closest flyby 56 unmanned probes 56 Discovery STS 56 martian surface 56 drogue parachute 56 Phobos Grunt 56 Orbiter 56 NROL 56 Kepler Space Telescope 56 lunar orbit 56 copper impactor 56 Pluto Charon 56 ST5 56 TerraSAR X satellite 56 NASA Cassini 56 Orbital Express 56 Space ENvironment GEochemistry 56 Shuttle Endeavor 56 Mars Orbiter 56 Lunar Reconnaissance Orbiter Camera 56 Endeavour docked 56 TanDEM X 56 Mars landers 56 NASA Lunar Crater 56 Explorer WISE 56 shuttle Endeavour STS 56 twin rovers 56 Giove B 56 comet Boethin 56 Phoenix Mars Lander 56 lunar surface 56 Mars Surveyor 56 reusable spacecraft 56 STSS Demo 56 Martian atmosphere 56 DIXI 56 crewed spacecraft 55 Apollo missions 55 retroreflector 55 Saturnian moon Titan 55 NASA Lunar Prospector 55 shuttle Endeavor 55 lander Philae 55 ROCSAT 2 55 orbiter lander 55 Planck spacecraft 55 icy comets 55 planetary Transits 55 EPOCh 55 Pegasus XL 55 GeneSat 1 55 spacecrafts 55 interstellar dust particles 55 LightSail 1 55 Jules Verne ATV 55 Infrared Pathfinder Satellite 55 ray Space Telescope 55 Itokawa 55 MetOp satellite 55 Yinghuo 1 55 orbiters 55 Virgin Galactic SpaceShipTwo 55 LCROSS mission 55 lunar orbiter Chandrayaan 55 flyby 55 PSLV C6 55 sunlike star 55 FASTSAT 55 Aqua satellite 55 INSAT 4CR 55 Lt. Col. Yang Liwei 55 Lunar Reconnaissance Orbiter 55 CloudSat 55 Space Shuttle Atlantis 55 Martian lander 55 orbiter Cassini 55 Global Surveyor 55 Jet Propulsion Laboratory JPL 55 Shepherding Spacecraft 55 Cassini Equinox 55 KAGUYA 55 Atlantis undocks 55 spaceward 55 asteroids Ceres 55 Jupiter flyby 55 RQ# 55 Spirit rover 55 NASA Spirit rover 55 Red Planet 55 Deep Impact eXtended Investigation 55 LCROSS Lunar Crater Observation 55 interplanetary spacecraft 55 VSS Enterprise 55 six wheeled rover 55 ExoMars rover 55 spacecraft flyby 55 martian soil 55 OSIRIS Rex 54 Solar TErrestrial RElations Observatory 54 Nasa 54 Hubble telescope 54 SpaceX Dragon capsule 54 shuttle Discovery 54 Shenzhou capsule 54 NASA Mars rover 54 Space Shuttle STS 54 THEMIS spacecraft 54 Space Shuttle Endeavor 54 Space Shuttle Endeavour 54 COROT 54 parafoil 54 Fregat upper stage 54 Deep Impact craft 54 NASAs 54 RSRMs 54 Investigation DIXI 54 robotic lander 54 SuitSat 54 orbiting telescope 54 Jupiter Icy Moons 54 2 pronounced Vilt 54 JIMO 54 shuttlecock shaped capsule 54 LRO 54 Ocean Salinity SMOS 54 Lunar Prospector 54 rover Spirit landed 54 PASADENA Calif. NASA 54 NEOWISE 54 spacecraft SpaceShipTwo 54 Martian surface 54 CARTOSAT 54 orbiting Hubble Space Telescope 54 orbiting Kepler telescope 54 CHIPSat 54 OSIRIS 54 NASA Mars Reconnaissance 54 MetOp 54 Compton Gamma Ray 54 winged spacecraft 54 NASA Interstellar Boundary 54 GIOVE B 54 Saturn moon 54 Endeavour STS 54 asteroid 54 rover 54 orbit 54 NASA rover Spirit 54 Cassini Huygens Mission 54 Hubble 54 NASA 54 lunar equator 54 Ocean Salinity 54 Earth orbit 54 Shenzhou IV 54 starboard SARJ 54 Spaceguard Survey 54 NEOSSat 54 Dnepr rocket 54 Space Shuttle Discovery 53 Shoemaker Levy 53 Shuttle Endeavour 53 Atlantis STS 53 Context Camera 53 geosynchronous satellite 53 NASA Stardust NExT 53 SpaceLoft XL 53 rovers 53 Shuttle Atlantis 53 Resourcesat 53 GLAST spacecraft 53 spacecraft Chandrayaan 1 53 geo synchronous transfer 53 DISR 53 orbiting Cassini spacecraft 53 infrared telescope 53 Envisat satellite 53 gamma ray spectrometer 53 SpaceShip 53 robot rovers 53 Meridiani plains 53 Near Infrared Camera 53 PSLV C 53 Solar Dynamics 53 Mars rovers 53 HiRISE camera aboard 53 shuttle Discovery STS 53 Impact Probe MIP 53 orbiting Saturn 53 CoRoT satellite 53 hypersonic speeds 53 Cometary 53 Martian crater 53 Spirit Mars rover 53 Discovery undocks 53 Nasa Jet Propulsion 53 hyperspectral imager 53 PSLV C# 53 High Resolution Imaging 53 NASA rover Opportunity 53 orbiting Hubble telescope 53 Cryosat 53 engineer Nicole Stott 53 Martian terrain 53 twin rovers Spirit 53 Infrared Astronomy SOFIA 53 remote sensing satellite Resourcesat 53 laser altimeter 53 ion propulsion 53 manned Shenzhou 53 Hayabusa 53 Planck telescope 53 Shuttle Discovery 53 interstellar dust grains 53 ESA Mars 53 Stardust mothership 53 probe Chang'e 53 Gravity Probe B 53 dexterous robot 53 Mercury flyby 53 Jupiter magnetosphere 53 NEAR Shoemaker 53 Europa Orbiter 53 lunar orbiter Chang'e 53 reentry capsule 53 Flyby spacecraft 53 Cosmonaut Yuri Gagarin 53 Opportunity Mars rover 53 Samuel Oschin Telescope 53 Mars CRISM 53 infrared observatory 53 exoatmospheric kill vehicle 53 CAPE CANAVERAL Shuttle Discovery 53 Gusev crater 53 GA6 53 Epsilon Eridani 53 circular orbit 53 outer planets 53 particle beam 53 http:/saturn.jpl.nasa.gov 53 Cloud Aerosol Lidar 53 GSLV D3 53 innermost planet 53 Titan flybys 53 Lunokhod 53 SSMEs 53 satellites orbiting Earth 53 comet tail 53 SpaceX Falcon 9 53 Mars Color Imager 53 Saturnian 53 ESA Integral 53 Phoenix Mars lander 53 Cosmodrome 53 Lunar Module 52 polar orbit 52 unpowered glider 52 Fermi telescope 52 HiRISE image 52 aeroshell 52 International Space Station 52 WISE mapped 52 Moessbauer spectrometer 52 Bonneville Crater 52 PSLV rocket 52 martian atmosphere 52 SpaceShip Two 52 orbiter robotic arm 52 SpaceX Falcon 52 ESA ERS 52 Mars rover 52 NASA Mars Odyssey 52 impactor probe 52 NASA rovers Spirit 52 mothership WhiteKnightTwo 52 LADEE 52 Fomalhaut b 52 Asteroid Itokawa 52 Discovery astronauts 52 Deep Impact 52 Spacewalkers Scott Parazynski 52 Thermal Emission Spectrometer 52 Martian arctic plains 52 Kosmos 3M rocket 52 SMOS Soil Moisture 52 GOCE 52 Impactor 52 MUSES C 52 Relations Observatory STEREO 52 Shenzhou V spacecraft 52 Mars Atmosphere 52 heaviest payloads 52 Mars Global Surveyor 52 Soyuz rocket 52 lunar explorer 52 Planck satellite 52 rover Curiosity 52 particle physics detector 52 unmanned spaceplane 52 Baikonur Kazakhstan 52 ESA SMART 52 Opportunity rovers 52 SpaceX Dragon spacecraft 52 Solar Orbiter 52 Spacecraft 52 Ranging MESSENGER spacecraft 52 Observatory STEREO 52 Cassini flyby 52 slender crescent 52 Foton M3 spacecraft 52 unmanned lunar 52 Multi Object Spectrometer 52 robotic landers 52 GEochemistry 52 Deep Impact Extended 52 Nasa Kepler 52 aerobraking 52 shuttle Atlantis 52 orbit insertion 52 WhiteKnightTwo mothership 52 Mission TRMM satellite 52 Japan Kibo laboratory 52 NextSat 52 Galaxy Evolution 52 LISA Pathfinder 52 Titan 4B 52 ATV Jules Verne 52 stratospheric balloon 52 Zeta Ophiuchi 52 Landsat satellites 52 GPS 2R 52 docking compartment 52 Martian arctic plain 52 comet McNaught 52 sols 52 ESA Envisat satellite 52 moon Mab 52 CryoSat satellite 52 Atlas IIAS 52 SOHO spacecraft 52 Martian equator 52 meteoroid 52 Crawler Transporter 52 Infrared Astronomy 52 Butterfly Nebula 52 exoplanetary 52 Nuclear Spectroscopic Telescope Array 52 SMOS 52 Enceladus flybys 52 Interstellar Boundary Explorer 52 ESA Planck 52 Martian soil 52 GOES satellites 52 manned lunar landing 52 SBSS Block 52 Globalstar satellites 52 bedrock outcropping 52 Saturnian system 52 Stardust 52 spaceship 52 NASA Gamma ray 52 Lunar Crater 52 lunar regolith 52 robotic explorers 52 Kiruna Sweden 52 Odyssey orbiter 51 Lander robotic arm 51 spaceplane 51 Solar Terrestrial Relations 51 Steins asteroid 51 deorbited 51 ESA Envisat 51 infrared spectrometers 51 Martian rocks 51 Resourcesat 2 51 PharmaSat 51 interstellar dust 51 LROC 51 EKV 51 Insat 3A 51 aboard Taurus XL 51 piggybacked Huygens probe 51 Microscopic Imager 51 NASA Cassini orbiter 51 JAXA 51 Rosetta lander 51 shuttle Atlantis STS 51 Mars rovers Opportunity 51 X #A 51 space shuttle Discovery 51 Extrasolar Planet Observation 51 unmanned rover 51 Shuttle astronauts 51 shuttle Endeavour astronauts 51 VIRTIS 51 geosynchronous orbit 51 lander robotic arm 51 THEMIS mission 51 SELENE probe 51 NASA MESSENGER 51 #/#-hour parachute 51 Huygens descent 51 Characterization EPOCh 51 Rover Opportunity 51 galaxy M# [001] 51 radar altimeter 51 NASA ESA Hubble 51 Comet Lulin 51 shuttle Discovery blasted 51 SBSS satellite 51 Planck observatory 51 rover Sojourner 51 GSLV rocket 51 twin STEREO spacecraft 51 Mars 51 scramjet engine 51 sun synchronous orbit 51 Landsat satellite 51 Wilkinson Microwave Anisotropy Probe 51 Space Capsule 51 Cassini spacecraft orbiting 51 GSLV D3 rocket 51 Spitzer infrared telescope 51 durable twin rovers 51 outermost planets 51 Earth Asteroid 51 geo synchronous 51 X #A Waverider 51 spacecraft thrusters 51 lunar orbiters 51 Keck Interferometer 51 Shenzhou VI craft 51 Pancam 51 onboard Chandrayaan 51 MSL rover 51 manned spacecraft Shenzhou VI 51 Planetary Transits 51 Discovery undocked 51 Uninhabited Aerial Vehicle 51 SELENE 51 asteroid flyby 51 field Infrared Survey 51 radio occultation 51 asteroid Lutetia 51 exosphere 51 Galileo satellites 51 comets asteroids 51 Martian arctic 51 Robotic Arm 51 Herschel telescope 51 STSS satellites 51 comet Tempel Tuttle 51 ATV Johannes Kepler 51 MARSIS 51 Cygnus spacecraft 51 STP S# 51 exhaust plume 51 Oceansat 2 51 NASA Cosmic Background 51 gaseous planet 51 LRO LCROSS 51 orbital insertion 51 gradiometer 51 Martian plains 51 moon Charon 51 Antenna LISA 51 Comet 9P/Tempel 1 51 Shenzhou VI spacecraft 51 CBERS 2B 51 lunar module Eagle 51 Isidis Planitia 51 Mars Odyssey 51 HTV2 51 Autonomous Rendezvous Technology 51 VMS Eve 51 HEO payloads 51 particle detector 51 Environment Explorer LADEE 51 Orbiter spacecraft 51 NEAs 51 thruster rockets 51 radioisotope thermoelectric generators 51 moon Deimos 51 Soyuz TMA #M 51 neutron spectrometer 51 Mars rover Spirit 51 Shenzhou V 51 cometary particles 51 orbital velocity 51 robotic probes 51 Advanced Spaceborne Thermal Emission 51 Swift Tuttle 51 WISE infrared 51 shuttle orbiter 51 orbited Jupiter 51 Corot 7b 51 wheeled rovers 51 Hubble Telescope 51 Apollo lunar 51 Insat 4CR 51 Viking Orbiter 51 NASA Great Observatories 51 NPO Lavochkin 51 Shenzhou VII spacecraft 51 MAVEN 51 X #A scramjet 51 polar orbiting 51 interstellar grains 51 Desert RATS 51 Rockot 51 THEMIS probes 50 HEO payload 50 Kaguya 50 Vostok 3KA 50 Imaging Spectroradiometer MODIS instrument 50 Comet Tempel Tuttle 50 copper fortified impactor 50 Gravity Probe 50 TacSat 50 Ares IX 50 RXTE 50 Earth orbiting satellites 50 exoplanets planets 50 ringed planet 50 GLAST telescope 50 Omid satellite 50 visit http:/saturn.jpl.nasa.gov 50 polar orbiting satellites 50 Mössbauer spectrometer 50 DMSP F# 50 orbiting gamma ray 50 humanoid robot R2 50 Ares Orion 50 Nasa Deep Impact 50 shuttle undocked 50 planemos 50 P/# A2 50 Cosmic Origins Spectrograph 50 planet Gliese #g 50 ExoMars mission 50 Descent Imager Spectral Radiometer 50 aboard Skylab 50 Chandrayan 50 NASA Odyssey orbiter 50 Solid Rocket Boosters 50 Reflection Radiometer 50 cometary debris 50 Documerica 50 Zenit 3SL rocket 50 MErcury Surface Space ENvironment 50 Halley comet 50 Russian Mikhail Tyurin 50 Lunar Crater Observation 50 ARISSat 50 Recovery Experiment SRE 50 KSLV 1 50 Great Observatories 50 director Chuck Dovale 50 Moderate Resolution Imaging 50 space shuttle 50 spiral galaxy Messier 50 manned spacecraft 50 THAAD interceptors 50 protoplanets 50 Space shuttle Atlantis 50 interplanetary missions 50 Orbiters 50 moon Phobos 50 entered lunar orbit 50 sister rover Spirit 50 Polar orbiting Operational 50 Astro E2 50 transiting exoplanet 50 Mission SRTM 50 millisecond pulsar 50 Centaur rocket 50 Titan Saturn 50 magnetic spectrometer 50 moon Io 50 Polar Lander 50 NASA MErcury Surface 50 SPACECRAFT 50 IKAROS 50 Sun synchronous orbit 50 GJ #b [001] 50 Neutron Detector 50 Orbiting Carbon Observatory 50 PSLV C9 50 unmanned lunar orbiter 50 countdown dress rehearsal 50 Ariane rocket 50 electric ion propulsion 50 orbits 50 COSMO SkyMed 50 spokesman Michael Braukus 50 GPS IIF 50 Minotaur IV rocket 50 GLAST 50 Ringed Planet 50 Chandrayaan 50 Lunar Excursion Module 50 flyby Cassini 50 binary asteroid 50 NASA Mars Orbiter 50 Resolution Imaging 50 Kwajalein Island 50 mooncraft 50 Servicing Mission 50 cosmic particles 50 BLG #Lb 50 Orbiting Carbon Observatory OCO 50 twin rover Spirit 50 JCSAT 9 50 NASAâ € ™ 50 Heliospheric Observatory SOHO 50 Geosynchronous orbit 50 Endeavour astronauts 50 GRACE satellites 50 MESSENGER MErcury Surface 50 Pirs docking compartment 50 HIAPER 50 X ray observatory 50 parachutes malfunctioned 50 NASA Wilkinson Microwave 50 circumstellar disk 50 ammonia coolant tank 50 Minotaur IV 50 deorbit 50 Chandrayaan II 50 manned lunar mission 50 Shuttle Endeavour blasts 50 Endeavour undocks 50 Imaging Spectrometer 50 orbiter Mars Odyssey 50 MARSIS radar 50 Kurs automated 50 INSAT 4C 50 spiral galaxy NGC 50 manned lunar 50 HD#b 50 planet Uranus 50 Extrasolar Planet Observations 50 Cartosat 50 Infrared Astronomical Satellite 50 martian 50 Synthetic Aperture Radar SAR 50 INSAT 3E 50 Launch Scrubbed 50 PSLV C7 50 lunar lander 50 Helios 2B 50 IKONOS 50 Soyuz landings 49 Mars orbiters 49 GALEX 49 meteoroids 49 comet Shoemaker Levy 49 Jupiter Icy Moons Orbiter 49 Space Telescope GLAST 49 Alpha Magnetic Spectrometer 49 comets 49 Canadian Julie Payette 49 Webb Telescope 49 X #B 49 hydroxyl molecules 49 GPS IIR M 49 celestial observations 49 spacewalk Lopez Alegria 49 Chang'e 49 comet nuclei 49 Spaceguard 49 NASA Orbiting Carbon 49 Stratospheric Observatory 49 thermal emission spectrometer 49 NASA Far Ultraviolet 49 Stardust spacecraft swooped 49 Murchison meteorite 49 N. Rathnasree 49 Arecibo telescope 49 mu Arae 49 Permanent Multipurpose Module 49 resident Gregory Chamitoff 49 Moon Impactor Probe 49 Diviner 49 Space shuttle Discovery 49 Space Infrared Telescope 49 Taurus XL 49 Kuiper belt object 49 imaging spectrometer 49 Sensing Satellite 49 airborne observatory 49 engineer Timothy Kopra 49 Themis satellites 49 Kuiper Belt object 49 Taurus XL rocket 49 equatorial orbit 49 Undocking 49 Hubbles 49 payload canister 49 Jupiter Ganymede 49 Advanced Synthetic Aperture 49 Cosmic Background Explorer 49 spacecraft orbited 49 Japanese Kibo laboratory 49 ALMA antennas 49 Kounotori2 49 lunar soil 49 astronauts 49 Yuri Shargin 49 H IIB 49 moon 49 DMSP F 49 Saturn moon Enceladus 49 ESA XMM Newton 49 Tanegashima Space Center 49 lunar spacecraft Chandrayaan 49 Lunar Orbiter Laser Altimeter 49 space shuttle Atlantis 49 constellation Aquarius 49 smallest exoplanet 49 micrometeoroids 49 SpaceX Dragon 49 Resolution Instrument 49 DragonLab 49 Launch Abort System 49 Mars Spirit rover 49 Alexander Samokutyayev 49 Earth magnetosphere 49 Satellite GOES 49 GeneSat 49 INSAT 3D 49 YU# 49 Hubble gyroscopes 49 Manned Spacecraft Center 49 hydrazine fuel 49 Tanegashima Space Centre 49 THEMIS 49 Neutron Spectrometer 49 Hubble orbits 49 phyllosilicates 49 Bug Nebula 49 Enceladus flyby 49 mock warhead 49 Shuttle Atlantis blasts 49 Krimigis 49 NASA Hubble Space 49 infrared telescopes 49 ballistic trajectory 49 astronaut Rex Walheim 49 NASA Solar Terrestrial 49 Rick Linnehan 49 NOAA GOES 49 geosynchronous satellites 49 Lunar Roving Vehicle 49 Rosetta comet 49 orbiting satellites 49 Pilot George Zamka 49 Sriharikota Andhra Pradesh 49 SMOS mission 49 KSC Shuttle 49 orbiting complex 49 uncrewed 49 Hubble observations 49 SBIRS GEO 49 gamma ray telescope 49 Cartosat 2B