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(Click for frequent words.) 68 lunar landers 67 Lunar Roving Vehicle 66 lunar rover 63 Lunar Rover 60 robotic rovers 60 robotic landers 59 Mars landers 59 lunar orbiters 59 spacecrafts 59 simulated Martian 59 Apollo Skylab 58 unmanned lunar orbiter 58 Curiosity rover 57 robotic explorers 57 orbital rendezvous 57 pressurized rovers 57 Martian rovers 57 dexterous robot 57 spacecraft orbited 56 unmanned probes 56 NASA rovers 56 hypersonic jet 56 ExoMars rover 56 orbiters landers 56 microgravity experiments 56 orbiting telescopes 56 robotic rover 56 BepiColombo 56 Mars Pathfinder 56 nanosatellites 55 simulated lunar 55 Mars Pathfinder lander 55 Orion CEV 55 Foton M3 55 lunar missions 55 rover Sojourner 55 GeneSat 55 crewed spacecraft 55 experimental payloads 55 Sojourner rover 55 lunar expeditions 55 Nasa spacecraft 54 IBEX spacecraft 54 reentry capsule 54 moonbase 54 stratospheric airship 54 Reusable Launch Vehicle 54 reusable spacecraft 54 retroreflector 54 Martian terrain 54 spacecraft 54 unpiloted aircraft 54 Virgin Galactic unveils 54 Nasa Mars Reconnaissance 54 tumbleweed rover 54 lidar instrument 54 Opportunity rovers 54 celestial observations 54 hexagonal mirrors 54 lunar equator 54 Astrobotic 54 geo synchronous 54 Lunar Reconnaissance Orbiter LRO 54 LRO spacecraft 54 GSLV rockets 54 spaceborne 53 Yinghuo 1 53 suborbital spacecraft 53 rocket thrusters 53 satellites orbiting Earth 53 Mars moon Phobos 53 Interorbital Systems 53 Canadarms 53 robotic explorer 53 Rockot launch 53 Shackleton Crater 53 Solar TErrestrial RElations Observatory 53 Viking landers 53 Shenzhou spacecraft 53 CubeSats 53 APXS 53 Earth orbiting satellites 53 Orbiter LRO 53 planetary explorations 52 autonomous robotic 52 robotic spacecraft 52 geostationary orbits 52 LISA Pathfinder 52 Shepherding Spacecraft 52 parachutes malfunctioned 52 Spaceward Bound 52 Orbital Express 52 spokesman Michael Braukus 52 Lunar Outpost 52 orbiter lander 52 uncrewed 52 rovers 52 Martian rover 52 extravehicular activities 52 NEOSSat 52 landers 52 unmanned rover 52 lander rover 52 SSETI Express 52 submersible craft 52 Voyager probes 52 moonbuggy 52 LightSail 1 52 Manned Maneuvering Unit 52 pressurized rover 52 GSLV Mk III 52 Shenzhou spaceships 52 HiRISE camera aboard 52 Phobos Grunt 52 comets asteroids 52 Viking orbiters 52 lunar regolith 52 Launch Abort System 52 microshutters 52 sub orbital spaceflight 52 hypersonic speeds 52 robotic probes 52 SpaceShip Two 51 geostationary earth 51 MidSTAR 51 CHIPSat 51 Cubesat 51 unmanned airship 51 PSLV rocket 51 unpiloted 51 windshield wiper maneuver 51 robotic Canadarm 51 Lunar Lander 51 moon landers 51 Interplanetary Internet 51 Lunar Orbiter 51 extravehicular 51 D CIXS 51 Scramjet 51 hypersonic missiles 51 LEGO Mindstorms 51 Mars Surveyor 51 moonwalkers 51 Mission SRTM 51 Cargo Launch Vehicle 51 nanosatellite 51 Orion spacecraft 51 manned spaceships 51 Apollo astronauts 51 faraway planets 51 Russian Orlan MK 51 Soyuz booster 51 NASA rovers Spirit 51 NASA rover Spirit 51 Ariane launcher 51 cryocoolers 51 ion propulsion 51 Astrosat 51 planetary rovers 51 Cartosat 2A 51 BioSuit 51 Mars rovers Spirit 51 Foton spacecraft 51 Great Moonbuggy Race 51 Terranaut 51 SCISAT 51 NASAs 51 spacecraft orbiting 50 cryocooler 50 NuSTAR 50 Saturnian moon Titan 50 ST5 50 lunar spacecraft 50 lunar exploration 50 planetary Transits 50 Highly Adaptable Satellite 50 spaceward 50 Apollo missions 50 dimensional atlas 50 Japan Kibo laboratory 50 lunar soil 50 Voyager spacecraft 50 Apollo Lunar Module 50 ferrying astronauts 50 intergalactic spaceship 50 Cometary 50 telemetry instrumentation 50 NASA EPOXI mission 50 spacecraft Chandrayaan 1 50 interplanetary spacecraft 50 Automated Transfer Vehicles 50 THEMIS satellites 50 astronomical observatories 50 Remotely operated 50 Space Shuttle Orbiter 50 interstellar dust grains 50 electric ion propulsion 50 mineralogical mapping 50 orbiting observatories 50 model rocketry 50 Chandrayaan II 50 Lunar Module Eagle 50 Xerus 50 TDRS satellites 50 astronomical telescopes 50 Lego robots 50 Minotaur rocket 50 penetrating radar 50 LEGO Mindstorm 50 Shuttle Discovery blasts 50 Permanent Multipurpose Module PMM 50 unmanned robotic 50 SpaceshipTwo 50 NPO Lavochkin 50 Philae lander 50 liquid propellants 50 SPHERES 50 Churyumov Gerasimenko 50 propulsion subsystem 50 Jupiter Ganymede 50 telerobotic 50 suborbital spaceships 50 Astronaut Leroy Chiao 50 NASA THEMIS 50 indigenous cryogenic stage 50 Studsat 50 high altitude airship 50 Alpha Particle 50 Eurobot 50 NASA twin STEREO 50 Shenzhou VI spacecraft 49 twin Voyager spacecraft 49 comet particles 49 lunar landings 49 laser altimeter 49 scramjet engines 49 carry heavier payloads 49 astronauts Jing Haipeng 49 Titan IVB 49 simulate weightlessness 49 AERONET 49 Panoramic Camera 49 suborbital rockets 49 ESA Planck 49 X ray Spectrometer 49 SpaceX Dragon 49 Jules Verne ATV 49 MPCV 49 Bell Aerosystems 49 Lunar CRater Observation 49 aeroshell 49 LRO LCROSS 49 gamma ray telescope 49 NFIRE 49 WISE telescope 49 BepiColombo mission 49 Soleckshaw 49 scramjets 49 Mercury Gemini 49 Martian lander 49 gyrocopters 49 NASA MESSENGER spacecraft 49 SMOS Soil Moisture 49 Nasa Mars Odyssey 49 ADM Aeolus 49 Mars Opportunity rover 49 Desert RATS 49 unmanned spacecraft 49 telescopic observations 49 interplanetary missions 49 atmospheric reentry 49 mission Chandrayaan 49 airborne shipboard 49 Resourcesat 2 49 Europa Orbiter 49 Spacesuits 49 geo stationary orbit 49 Climate Experiment GRACE 49 visit http:/saturn.jpl.nasa.gov 49 NASA satellites orbiting 49 spaceships 49 Opportunity Mars rovers 49 terra forming 49 A# spacecraft 49 circumlunar 49 George Zamka 49 Altair lunar lander 49 Martian landscape 49 spaceplane 49 NASA ICESat 49 Orbiters 49 lunar orbiting spacecraft 49 WISE spacecraft 49 LADEE 49 Apollo lunar 49 comet Churyumov Gerasimenko 49 NAVSTAR Global Positioning System 49 spacecraft SpaceShipTwo 49 Legged Extra Terrestrial 49 Terrain Mapping Camera 49 Mini Thermal Emission 49 Vehicle PSLV rocket 49 HIAPER 49 twin rovers Spirit 49 Mars rovers Opportunity 49 lunar lander 49 Lunar Excursion Module 49 astronomical telescope 49 wheeled rovers 49 Synthetic Aperture Radar 49 autonomous unmanned aerial 49 Helioseismic 49 Ram PHEV 49 infrared spectrometers 49 Shuttle Discovery docks 48 Great Observatories 48 Orion spaceship 48 Shenzhou capsules 48 Kibo module 48 enters lunar orbit 48 binary asteroid 48 Geo synchronous 48 Opportunity Mars rover 48 unmanned airships 48 manned lunar missions 48 reusable manned spacecraft 48 Diviner instrument 48 interstellar dust samples 48 GOCE satellite 48 entered lunar orbit 48 Max Faget 48 Predator drone flies 48 decommissioned Peacekeeper 48 Scramjets 48 radio occultation 48 ATV Johannes Kepler 48 Pancam 48 Rosetta orbiter 48 MAVs 48 Spirit Mars rover 48 Mars Reconnaissance Orbiter MRO 48 Rosetta lander 48 Mars rovers 48 geostationary communications 48 planetary geology 48 VASIMR engine 48 tow dollies 48 Globalstar satellites 48 highly elliptical orbits 48 SpaceShipTwo SS2 48 Unmanned Ground Vehicle 48 JIMO mission 48 Soyuz launcher 48 Theodore von Karman 48 martian landscape 48 simulated weightlessness 48 Feitian 48 geosynchronous Earth 48 Astronautical Society 48 geosynchronous satellites 48 NASA Cosmic Background 48 CBERS 2B 48 inflatable planetarium 48 robot rovers 48 spaceship 48 SOLO TREC 48 Cosmonaut Yuri Gagarin 48 manned lunar 48 scramjet propulsion 48 ATV Jules Verne 48 Supersonic Combustion Ramjet 48 Moller Skycar 48 maritime subsurface 48 Cartosat 2B 48 orbiter Cassini 48 orbiting spacecraft 48 EELVs 48 GLAST spacecraft 48 gamma ray observatories 48 Cargo Ship Docks 48 ExoMars mission 48 onboard Chandrayaan 48 Moon Mineralogy Mapper M3 48 polar plateau 48 robotic geologist 48 Mössbauer spectrometer 48 ESA Herschel 48 Spitzer infrared telescope 48 Solar Terrestrial Relations 48 robotic manipulator 48 Dream Chaser 48 crawler transporter 48 orbital insertion 48 Soviet cosmonauts 48 Oceansat 2 48 ferry SpaceShipTwo 48 Ultraviolet Optical Telescope 48 dexterous humanoid robot 48 LEO satellites 48 rovers Spirit 48 hypersonic scramjet 48 robot locomotion 48 TerraSAR X satellite 48 ARRL AMSAT 48 launchpads 48 LSAM 48 lunar probes 48 Shuttle Docks 48 duration spaceflights 48 Satellite Launch Vehicle GSLV 48 NFIRE satellite 48 builder Bigelow Aerospace 48 payloads 48 Variable Specific 48 Soyuz TMA spacecraft 48 impactor spacecraft 48 optionally manned 48 particle detectors 48 NASA Stardust spacecraft 48 hypergolic 48 THEMIS probes 48 crewed missions 48 #/#-scale [002] 48 manned lunar landing 48 CARTOSAT 2A 48 remote sensing satellites 48 earth orbiting satellites 48 NASA Landsat 48 meteorological satellites 48 Huygens Probe 48 buckypaper virtually 48 Martian craters 48 astronautical 47 Orion Ares 47 Pilot George Zamka 47 Galileoscope 47 PSLV C9 47 Solar Dynamics Observatory 47 HiRISE camera 47 Astro E2 47 pressurized spacesuits 47 Terrier Orion 47 SpaceShip 47 Satellite Launch Vehicle 47 Falcon 1e 47 GNSS receivers 47 Orbital Taurus II 47 lunar orbiter 47 Relations Observatory STEREO 47 CubeSat 47 remote sensing satellite Resourcesat 47 Lunar Reconnaissance Orbiter Camera 47 SpaceLoft XL 47 Norm Thagard 47 astronauts Zhai Zhigang 47 hypersonic glider 47 Japanese Kibo laboratory 47 magnetospheres 47 turned mutant superheroes 47 Uninhabited Aerial Vehicle 47 VTOL aircraft 47 Kiruna Sweden 47 UTTR 47 exoatmospheric kill vehicle 47 Mossbauer spectrometer 47 whiz harmlessly 47 ion thrusters 47 LiftPort Space Elevator 47 KODAK CCD Image Sensors 47 robotic telesurgery 47 Molniya 47 SpaceDev Dream Chaser 47 Express AM# 47 GeneSat 1 47 stratospheric balloon 47 gyro stabilized 47 outer space 47 Observatory SDO 47 HAMSAT 47 NIRSpec 47 sailplanes 47 Silver Dart 47 Orbiter MRO 47 spectrographic 47 Cosmic Origins Spectrograph COS 47 Regolith 47 NASA Interstellar Boundary 47 GM EV1 electric 47 QuVIS servers 47 comet flyby 47 Mars Rover 47 O OREOS 47 GOES satellites 47 BioServe Space Technologies 47 Dyna Soar 47 X ray observatory 47 Mars orbiter 47 GIOVE B 47 robotic lander 47 Magnetic Imager HMI 47 OSIRIS Rex 47 Rosetta spacecraft 47 orbiters 47 Kliper 47 hyperspectral sensors 47 stargates 47 origami masters 47 Lockheed Martin Waterton Canyon 47 Dextre robot 47 landing VTOL 47 Megha Tropiques 47 Insat 3A 47 Foton M2 47 Minotaur IV 47 cryogenic engines 47 NASA Mars rovers 47 interstellar grains 47 unmanned airborne 47 Moderate Resolution Imaging 47 geosynchronous satellite 47 Redu Belgium 47 Thermal Emission Spectrometer 47 supersonic combustion ramjet 47 Moon Mineralogy Mapper 47 INSAT satellite 47 Lunar Surface 47 NASA Stratospheric Observatory 47 exhaust plume 47 Suzaku X ray 47 Fundamental Aeronautics Program 47 INSAT 4CR 47 Rockot 47 #/#-hour spacewalk [001] 47 electrically propelled 47 Soyuz rocket 47 SpaceShip One 47 JIMO 47 RTI middleware 47 Chang'eI 47 rover 47 ESA Huygens 47 probe Huygens 47 orbit GEO 47 Eurostar E# 47 payload fairings 47 Solid Rocket Boosters 47 Mir Space Station 47 Michoud La. 47 unmanned 47 Starfire Optical Range 47 terraformed 47 Cygnus spacecraft 47 rocketships 47 Hubble Space telescope 47 telemetry tracking 47 manned Soyuz 47 scramjet 47 Unmanned Surface 47 Block IIF 47 radioed congratulations 46 manned Shenzhou 46 PSLV C 46 inter planetary 46 RADARSAT 2 46 AMASE 46 orbiting gamma ray 46 X ray telescopes 46 JAUS compliant 46 motorized gliders 46 lander 46 lunar surface 46 PSLV C# 46 ExoMars Trace Gas 46 Space Capsule 46 ARCTUS 46 Progress resupply 46 infrared telescopes 46 Lockheed Martin A# geosynchronous 46 observing satellites 46 Impact Probe MIP 46 AUVs 46 rigid airships 46 Martian plains 46 robotic rover Spirit 46 interplanetary probes 46 OSIRIS REx 46 Atlantis undocks 46 Tropospheric Emission Spectrometer 46 Musk envisions 46 Specialist Greg Chamitoff 46 manned spacecraft 46 EarthCARE 46 Climate Sounder 46 Glonass K 46 countdown dress rehearsal 46 Solar Sail 46 Atlantis Undocks From 46 lunar explorers 46 Discoverys 46 MER rovers 46 Optical Spectroscopic 46 robotic geologists 46 ramjets 46 Kibo JPM JEM Pressurized 46 FT IR spectrometer 46 Jupiter Icy Moons Orbiter 46 VTOL UAVs 46 mere fly bys 46 Cloud Aerosol Lidar 46 Educator Astronauts 46 RASC AL 46 microbots 46 neutrino detectors 46 geologies 46 manned missions 46 NASA Voyager spacecraft 46 Viking Lander 46 polarimetric 46 Anthony Remijan 46 scramjet engine 46 Shuttle undocks 46 seven windowed cupola 46 geo synchronous transfer 46 Director Charles Elachi 46 Douglas Hudgins Kepler 46 unmanned Chandrayaan 46 Descent Imager Spectral Radiometer 46 tokamaks 46 Geosynchronous 46 asteroid deflection 46 Seaglider 46 orbital altitudes 46 VASIMR 46 http:/saturn.jpl.nasa.gov 46 SBSS Block 46 Laboratory MSL 46 stationary lander 46 Apollo Soyuz 46 colonize Mars 46 unmanned undersea 46 strenuous spacewalks 46 Benthic Rover 46 spacesuits 46 Shuttle Radar Topography 46 reusable suborbital 46 outermost planets 46 gimbals 46 lunar explorer 46 dimensional visualization 46 Cassini Image 46 probe Chang'e 46 Chris Urmson 46 China homemade Feitian 46 heavier payloads 46 ESA ERS 46 inhabitable planets 46 Manned missions 46 planetary surfaces 46 spinning neutron stars 46 look distractingly cartoony 46 kg payload 46 Parajet Skycar 46 vehicles AUVs 46 Huygens mission 46 Galileo constellation 46 maneuvering thrusters 46 EADS Astrium GmbH 46 STEREO spacecraft 46 SkySat 46 RSRMs 46 spaceflyers 46 neutron spectrometer 46 Composite Infrared Spectrometer 46 NASA twin rovers 46 SSMEs 46 Lunar Module Pilot 46 don spacesuits 46 isolated Himalayan kingdom 46 Landing VTOL 46 orbiting Hubble Space Telescope 46 nanocars 46 cryogenic propellant 46 FASTSAT 46 dexterous robots 46 comets meteors 46 breathing supersonic combustion 46 SpaceLoft 46 Kepler Mission 46 Orbital Minotaur 46 Lego Technic 46 prototype humanoid robot 46 Launch Scrubbed 46 martian rocks 46 commercial spaceline 46 Landsat satellite 46 hyperspectral imager 46 Ariane launchers 46 commander Dmitry Kondratyev 46 Nasa 46 Ocean Salinity 46 MESSENGER spacecraft 46 Atlas IIAS 46 deorbiting 46 BRAHMOS 46 astronauts Gus Grissom 46 breathing scramjet engine 46 Exploration Vehicle 46 astronauts 46 situ measurements 46 Shuttle docks 46 indigenous cryogenic 46 Chelton EFIS 46 Meridiani plains 46 Total Ozone Mapping 46 PSLV C6 46 Giove B 46 Mercury capsules Skylab 46 Hubble Space Telescope HST 46 asteroids comets 46 Shenzhou VII mission 46 planetary exploration 46 Upsilon Andromedae 46 Messenger spacecraft 46 docking compartment 46 planets atmospheres 46 rocket boosters 46 Takao Doi 46 Huygens descent 46 YES2 46 smoothest flattest 46 Stardust spacecraft 46 Jupiter icy moons 46 Shuttle Discovery arrives 46 robot Dextre 46 remote sensing instruments 46 Geeky tweeters 46 spokesman Paul Foerman 46 ocean splashdowns 46 Galactic cosmic rays 46 Opportunity parachuted 46 spaceports 46 imaging spectrometer 46 USVs 46 Ion propulsion 46 Landsat satellites 46 STEREO mission 46 Pleiades cluster 46 PSLV C7 46 Orlan MK 46 NASA Lunar Prospector 46 HyShot 46 Sun synchronous orbit 45 OCO satellite 45 geyser plumes 45 grid V2G 45 microwave remote sensing 45 Earth orbit LEO 45 Orion MPCV 45 Huygens lander 45 Cosmonaut Yuri Shargin 45 Skynet 5C 45 ASTRA 1KR 45 Jupiter Icy Moons 45 X ray telescope 45 Pan STARRS telescope 45 Solid Rocket 45 MARSIS instrument 45 Minotaur IV launch 45 SpaceX Falcon 9 45 Astrobotic Technology Inc. 45 Cassini Huygens Mission 45 CAPE CANAVERAL Spacewalking astronauts 45 STP S# 45 extrasolar planet observations 45 retrograde orbit 45 Werner von Braun 45 Deep Impact comet 45 Terrestrial Planet Finder 45 Manned Cloud 45 Pluto Kuiper Belt 45 electro optic sensors 45 planets asteroids 45 electromagnetic railgun 45 Extra Vehicular Activity 45 Divine Vessel 45 microrobot 45 Aerojet propulsion 45 LabVIEW FPGA Module 45 Haughton Crater 45 bulky spacesuits 45 hovercrafts 45 UAV Unmanned Aerial Vehicle 45 Convection Rotation 45 Chairman G Madhavan 45 lunar orbits 45 NASA STEREO 45 heavily instrumented 45 neutron detector 45 Chajnantor plateau 45 MQ 8B 45 Shuttle Atlantis docks 45 phyllosilicates 45 SpaceWorld 45 airlock module 45 Judy Resnik 45 Kuiper Belt Objects 45 photometers 45 geosynchronous communications 45 spacecraft Cassini 45 Mars Analog Svalbard 45 lunar module 45 AIRSS 45 tethered aerostats 45 suborbital spaceship 45 Eagle lunar lander 45 WhiteKnightTwo WK2 45 Stodieck 45 Canada robot Dextre 45 breadbox sized 45 Shenzhou VI craft 45 lunar meteorite 45 Particle accelerators 45 Solar Orbiter 45 micromachines 45 modules actuators 45 teleoperated 45 Suborbital 45 GIS remote sensing 45 unmanned lunar 45 geosynchronous 45 Vehicle GSLV 45 Stardust NExT mission 45 GLAST telescope 45 interstellar particles 45 WhiteKnight Two 45 graphite epoxy 45 www.xprize.org 45 unmanned payloads 45 nanoelectronic devices 45 micrometeorite impacts 45 extrasolar 45 specially instrumented 45 Rock Abrasion Tool 45 GPS 2R 45 lithium hydroxide canisters 45 penetrating radars 45 mineral olivine 45 Jetpod 45 Enceladus flybys 45 GSLV D3 rocket 45 Konstantin Feoktistov 45 Mark N. Sirangelo 45 Shallow Subsurface Radar 45 PSLV C8 45 microrobots 45 ROCSAT 2 45 gamma ray detectors 45 NASA Kepler telescope 45 Moonbase Alpha 45 SpaceX Dragon spacecraft 45 geosynchronous transfer orbit 45 hypersonic propulsion 45 Saturn Cassini 45 planetary embryos 45 Jing Haipeng 45 ESA Huygens probe 45 Shackleton crater 45 photographing handrails antennas 45 chemical reactants 45 ENose 45 THEMIS spacecraft 45 detect gravitational waves 45 NASA Great Moonbuggy 45 fiery reentry 45 micromachine 45 Canadian Julie Payette 45 Helios 2B 45 astrophysical phenomena 45 LightSail 45 manned submersibles 45 annual Great Moonbuggy 45 Interior Laboratory GRAIL 45 infrared observatory 45 DIXI 45 Spaceships 45 heatshield 45 Burt Rutan Scaled Composites 45 Exploration Rover 45 Orion Crew 45 Orbital Pegasus 45 MESSENGER MErcury Surface 45 Nett Warrior 45 Kapton tape 45 NLSI 45 Galilean satellites 45 Polar explorers 45 ecliptic plane 45 WhiteKnight 45 Stardust capsule 45 panchromatic camera 45 Taikonauts 45 ramjet propulsion 45 pressurized compartments 45 orbiting ISS 45 journal Acta Astronautica 45 Alphasat 45 spaceliner 45 Equinox Fuel Cell 45 #/#-ton truss 45 Shenzhou V spacecraft 45 MicroElectroMechanical Systems MEMS 45 neutrino telescope 45 GSLV rocket 45 Ranging spacecraft 45 gradiometer 45 astronomical observations 45 winged spacecraft 45 earthlike planets 45 Vehicles UAVs 45 Cosmonaut Valery Tokarev 45 NASA Cassini 45 Block 5D 45 WMAP satellite 45 rover Opportunity 45 Kazakhstan Baikonur Cosmodrome 45 shuttle orbiter 45 airglow 45 Lego Mindstorm 45 Mojave Spaceport 45 moons circling 45 gray hematite mineral 45 P#/P# truss 45 Atlantis Abutments 45 Orion capsule 45 ultraviolet spectrograph 45 Michibiki 45 NASA Kepler spacecraft 45 Iridium NEXT satellites 45 Starchaser 45 twin rovers 45 Mars# experiment 45 Robot EATR 45 astrolabes 45 twin rover Opportunity 45 Mini SAR 45 Skycycle 45 Explorer WISE 45 altitude airship 45 Multi Purpose Crew 45 Aerosonde aircraft 45 long endurance HALE 45 Rocketplane Ltd. 45 Lunar Exploration 44 Pegasus XL 44 orbiter robotic arm 44 Shuttle Endeavour undocks 44 lunar outpost 44 Flyby spacecraft 44 Miniature Thermal Emission 44 Keck telescopes 44 Shuttle Atlantis arrives 44 Bonneville Crater 44 Valles Marineris canyon 44 ASTRA 1L 44 satellites 44 hematite mineral 44 Reflection Radiometer 44 Hyper X 44 VEXplorer 44 lunar module Eagle 44 dropsondes 44 UVIS instrument 44 autonomous robots 44 regolith 44 graphene flake 44 Mercury Redstone 44 HALE UAV 44 supersonic cruise missiles 44 Ariane rocket 44 venerable Soyuz rocket 44 DIRECTV 9S 44 CX OLEV 44 Aeroscraft 44 Alexander Samokutyayev 44 EPOCh 44 satellite RISAT 44 Regolith Excavation Challenge 44 telescopes astronomers 44 ESA GOCE 44 polar orbits 44 GigaGalaxy Zoom 44 Terra Meridiani 44 autonomous rendezvous 44 Jack Lousma 44 sub orbital 44 Hubble Servicing 44 STSS Demonstration 44 Lunar Prospector 44 exo planet