Related by context. All words. (Click for frequent words.) 64 planetary Transits 64 BepiColombo 63 ESA Planck 63 Curiosity rover 63 NuSTAR 62 NanoRacks 62 Convection Rotation 62 Japan Kibo laboratory 61 Solar TErrestrial RElations Observatory 61 Lunar Reconnaissance Orbiter LRO 61 WISE spacecraft 61 Planetary Transits 61 ROCSAT 2 61 Orbital Express 60 SCISAT 60 Solar Orbiter 60 ESA Integral 60 orbital rendezvous 60 Philae lander 60 NASA THEMIS 60 O OREOS 60 Observatory STEREO 60 NASA STEREO 60 Spectroscopic Explorer 60 NASAs 59 NASA Cosmic Background 59 NEOWISE 59 lunar landers 59 SpaceX Dragon 59 Jupiter Icy Moons Orbiter 59 enters lunar orbit 59 EPOCh 59 ExoMars mission 59 Cassini Equinox 59 CBERS 2B 58 ST5 58 nanosatellite 58 Antenna LISA 58 circumlunar 58 NFIRE 58 IBEX spacecraft 58 dexterous robot 58 LightSail 1 58 Mars Pathfinder lander 58 STP S# 58 Shuttle Atlantis docks 58 Foton M3 58 EarthCARE 58 Europa Orbiter 57 heliophysics 57 Jupiter Icy Moons 57 orbiting observatories 57 Kepler Mission 57 Herschel Planck 57 WISE infrared 57 CHIPSat 57 remote sensing satellite Resourcesat 57 Rockot 57 LRO LCROSS 57 geo synchronous 57 Fermi telescope 57 Yinghuo 1 57 Planck satellite 57 Orbiter LRO 57 interplanetary spacecraft 57 Foton spacecraft 57 Pluto Kuiper Belt 57 Aerojet propulsion 57 laboratory Kibo 57 ESA ESOC 57 exoplanetary 56 CX OLEV 56 TDRS K 56 ESA GOCE 56 astronomical telescope 56 SIRTF 56 STSS Demo 56 SELENE probe 56 mineralogical mapping 56 Lunar CRater Observation 56 EIAST 56 unmanned lunar orbiter 56 Phobos Grunt 56 windshield wiper maneuver 56 ESA Proba 56 DIXI 56 NASA MESSENGER 56 LISA Pathfinder 56 Eutelsat KA SAT 56 DragonLab 56 JIMO 56 RADARSAT 2 56 HEO payload 56 Permanent Multipurpose Module PMM 56 Cubesat 56 SMOS Soil Moisture 56 Kepler Space Telescope 56 Observatory SDO 56 ExoMars rover 56 ATV Jules Verne 56 VASIMR 56 pressurized module 56 UCO Lick 56 Rosetta orbiter 56 EADS Astrium GmbH 56 Interior Laboratory GRAIL 56 SAR Lupe 56 Thales Alenia 55 Investigation DIXI 55 Shuttle Discovery docks 55 ESA Cluster 55 Aboard Endeavour 55 HALE UAV 55 D CIXS 55 Chandrayaan II 55 NICT 55 Nasa Kepler 55 Keck Interferometer 55 MetOp satellite 55 ASTRA 1KR 55 Terrestrial Planet Finder TPF 55 geosynchronous satellite 55 Space Telescope GLAST 55 microshutters 55 KAGUYA 55 Fermi Gamma ray 55 twin Voyager spacecraft 55 Chang'eI 55 SELENE 55 OSIRIS 55 Highly Adaptable Satellite 55 MUSES C 55 Cargo Launch Vehicle 55 SIM PlanetQuest 55 NPO Lavochkin 55 MetOp 55 Atlantis Undocks From 55 astroparticle physics 55 COBE satellite 55 GIOVE B 55 Eurobot 55 NASA Interstellar Boundary 55 SBSS Block 55 Calibrant 55 lidar instrument 55 Skynet 5C 55 Foton M2 55 satellite Kwangmyongsong 2 55 Solar Terrestrial Relations 55 lunar explorer 55 Chikyu 55 magnetic spectrometer 55 JDEM 55 microgravity experiments 55 Moon Mineralogy Mapper M3 55 Hubble gyroscopes 55 Insat 3A 55 ESA Herschel 55 Kepler Telescope 55 Ocean Salinity SMOS 55 Simonetta Di Pippo 55 MeerKAT 55 Theodore von Karman 54 Y1A 54 geo synchronous transfer 54 CubeSat 54 Laser Interferometer Space 54 AMPERE 54 Interorbital Systems 54 Planck spacecraft 54 Gamma ray Large 54 SPHERES 54 manned lunar 54 Magnetospheric 54 robotic telesurgery 54 NOAO 54 Robotic Lunar Exploration 54 GeneSat 1 54 JTAC declared 54 STSS Demonstration 54 Lee Joo jin 54 STSS satellites 54 Redu Belgium 54 NASA Great Observatories 54 Epoxi 54 Mars rover Curiosity 54 Jules Verne ATV 54 planetary missions 54 UK DMC2 54 GPS IIR M 54 Shuttle Endeavour docks 54 Spaceguard Survey 54 NASA Far Ultraviolet 54 Shenzhou spacecraft 54 gamma ray observatory 54 Cassini Huygens 54 GPS IIF 54 Orbiting Carbon Observatory OCO 54 NAVSTAR Global Positioning System 54 manned lunar missions 54 Giove B 54 THEMIS satellites 54 entered lunar orbit 54 SMDC ARSTRAT 54 Japanese Kibo laboratory 54 Resourcesat 2 54 MUOS satellite 54 ESRIN 54 NSPO 54 Kibo module 54 System F6 54 commander Leroy Chiao 54 Great Observatories 54 GLAST spacecraft 54 interplanetary missions 54 EADS SPACE Transportation 54 Ariane 5G 54 Michibiki 54 Alphasat 54 comet chaser 54 STEREO mission 54 NASA Gamma ray 54 Cloud Aerosol Lidar 54 Reusable Launch Vehicle 54 Launch Scrubbed 54 visit http:/saturn.jpl.nasa.gov 54 LCROSS mission 54 ESO VLT 54 GLONASS constellation 54 Shuttle Discovery blasts 54 celestial observations 54 A# spacecraft 54 CALIPSO 54 Taikonauts 54 unmanned probes 54 Hubble Space Telescope HST 54 orbiter lander 54 Huygens mission 54 TanDEM X 54 X ray observatory 54 Minotaur IV 53 Astrium Eurostar 53 exobiology 53 SLC 3E 53 Helios 2B 53 BSAT 3a 53 Terrestrial Planet Finder 53 Lunar Exploration 53 DubaiSat 1 53 NASA GLAST 53 TecSAR 53 Extrasolar Planet Observation 53 W3A 53 e VLBI 53 Super Kamiokande 53 THAAD radar 53 STPSat 53 LDCM 53 SMOS 53 Huygens Probe 53 #/#-ton truss 53 exo planet 53 Pegasus XL 53 Deep Impact Extended 53 APXS 53 seven windowed cupola 53 NASA LCROSS 53 Ocean Salinity 53 OSIRIS REx 53 extrasolar planet observations 53 NLSI 53 NEOSSat 53 NASA Kepler spacecraft 53 COSMO SkyMed 53 WebTAS 53 Delfi C3 53 Array ALMA 53 Douglas Hudgins Kepler 53 propulsion subsystem 53 Visit SPACE.com 53 Minotaur rocket 53 uncrewed 53 Daniel Sacotte 53 IKAROS 53 AERONET 53 Japanese Aerospace Exploration 53 infrared observatory 53 GLAST telescope 53 Kepler observatory 53 AKARI 53 Mars Climate Sounder 53 electric ion propulsion 53 THEMIS mission 53 Fregat upper stage 53 BepiColombo mission 53 Fermi Telescope 53 Interplanetary Internet 53 manned Shenzhou 53 SSETI Express 53 Robotic Exploration 53 SpaceX Dragon capsule 53 Falcon 1e 53 particle physics experiments 53 Soyuz launcher 53 Herschel Space 53 orbiting telescope 53 SBSS satellite 53 Beidou satellite 53 KODAK CCD Image Sensors 53 Globalstar satellites 53 shuttle Endeavour STS 53 SIRAL 53 Apollo Skylab 53 Geo synchronous 53 Hinode spacecraft 53 Earth Observation satellites 53 HAMSAT 53 gamma ray detectors 53 orbital observatory 53 Near Infrared Camera 53 FORMOSAT 53 geosynchronous Earth 52 ROSAT 52 ISS Reshetnev 52 Kopernikus 52 SciDAC 52 specialists Lisa Nowak 52 Origins Spectral Interpretation 52 DEIMOS 52 robotic rovers 52 Apollo Lunar Module 52 Planck observatory 52 manned spaceships 52 NASA Wallops 52 retroreflector 52 Shenzhou capsule 52 Hubble Telescope 52 LaserFest 52 Reaches Orbit 52 Lunar Roving Vehicle 52 Simonetta Di Pippo ESA 52 P#/P# truss 52 Shuttle Docks 52 VINASAT 1 52 Proba 2 52 NAVSTAR 52 ray Space Telescope 52 PSLV C# rocket 52 robotic explorer 52 Shenzhou VIII 52 geo stationary orbit 52 Atacama Large Millimeter submillimeter 52 Explorer IBEX 52 Lunar Orbiter 52 Canadarms 52 ChemCam 52 GOES O 52 Outer Planets 52 geospace science 52 Giacconi 52 HARPS N 52 cryocooler 52 spacecraft SpaceShipTwo 52 Martian rover 52 Stratospheric Observatory 52 MARSIS radar 52 infrared astronomy 52 Sumbandila 52 Shuttle Endeavour undocks 52 Daniel Sacotte ESA 52 MirCorp 52 PSLV C7 52 experimental payloads 52 HIAPER 52 JIMO mission 52 Satellite Launch Vehicle 52 Kazakhstan Baikonur Cosmodrome 52 Geosynchronous 52 Astronautical Society 52 SpaceshipTwo 52 Human Spaceflight Microgravity 52 JCSAT 9 52 NASA Stratospheric Observatory 52 orbital laboratory 52 airborne observatory 52 Faint Object 52 Block IIF 52 Insat 4B 52 NASA Kepler 52 NM spaceport 52 CARTOSAT 2A 52 Cosmic Background Explorer 52 director Chuck Dovale 52 ESnet4 52 NASA GeneSat 1 52 probe Chang'e 52 Security GMES 52 GOSAT 52 DigitalGlobe WorldView 52 JWST 52 Hayabusa spacecraft 52 Continuity Mission LDCM 52 orbiter Cassini 52 planetary explorations 52 Space Infrared Telescope 52 Environment Explorer LADEE 52 Kliper 52 Cosmic Vision 52 geosynchronous 52 lunar expeditions 52 JAXA 52 PSLV C6 52 Multi Object Spectrometer 52 Mars Opportunity rover 52 GSLV rockets 52 hubble 52 CBERS 52 weather satellite TIROS 52 Anik F2 52 Anisotropy Probe 52 ExoMars Trace Gas 52 particle astrophysics 52 Esrange Space Center 52 prototype humanoid robot 52 ESA Rosetta 52 EVLA 52 twin STEREO spacecraft 52 NASA Astrobiology 52 Laboratory MSL 52 exoplanets planets 52 Shuttle Discovery undocks 52 PPARC 52 MEASAT 3a 52 Desert RATS 52 Japanese Experiment Module 51 Slooh 51 quantum teleportation 51 ISS resupply 51 radiotelescope 51 ESA Earth Observation 51 Tranquility module 51 Cosmo SkyMed 51 THEMIS spacecraft 51 Systems NEX AIQ.H 51 Synthetic Aperture Radar 51 Virgin Galactic unveils 51 Japan NAOJ 51 neutrino experiment 51 Express AM# 51 NASA Lunar Prospector 51 nanosatellites 51 OSIRIS Rex 51 geosynchronous communications 51 NROL 51 Operation Paperclip 51 operationally responsive space 51 ARCTUS 51 JAMSTEC 51 LSAM 51 polarimetric 51 SMOS satellite 51 orbit GEO 51 Innovative Partnerships Program 51 INSAT 3E 51 Lunar Outpost 51 maritime subsurface 51 Hubble Space telescope 51 robotic landers 51 Saturn Cassini 51 hyperspectral sensors 51 Planck telescope 51 Mars moon Phobos 51 orbiting gamma ray 51 Astrophysical Research 51 Earthscope 51 autonomous rendezvous 51 Metop 51 SuperWASP 51 Kayser Threde 51 ASTRA 1L 51 Shuttle docks 51 S6 truss segment 51 EPOXI mission 51 parabolic antennas 51 MEASAT 3a satellite 51 Cassini Huygens Mission 51 GeoForschungsZentrum Potsdam 51 Japanese Kibo module 51 GPS Block IIF 51 Permanent Multipurpose Module 51 Solar Optical Telescope 51 ENose 51 Spaceward Bound 51 Characterization EPOCh 51 Satellite GOSAT 51 Hyperspectral Imager 51 Shenzhou spaceships 51 Yuri Lonchakov 51 BMC2 51 Variable Specific 51 TerraSpark 51 Educator Astronauts 51 Alcatel Alenia 51 KSLV 1 51 Venus Climate Orbiter 51 Alphabus 51 spacecraft 51 entire Milstar constellation 51 Astrosat 51 geo stationary 51 Explorer WISE 51 BRAHMOS 51 IDSN 51 Infrared Pathfinder Satellite 51 UKIRT 51 Relations Observatory STEREO 51 unmanned lander 51 Nasa spacecraft 51 crewed spacecraft 51 Telstar #R 51 Kaguya 51 Gravity Probe B 51 European XFEL 51 manned lunar landing 51 Cometary 51 robotic rover 51 Atacama Large Millimeter Array 51 module Kibo 51 Swales Aerospace 51 Minotaur IV launch 51 orbiting observatory 51 Russian crewmate Yuri 51 Ares IY 51 SBIRS GEO 51 Quasi Zenith Satellite 51 Starsem 51 Turksat 4A 51 radio occultation 51 ISC Kosmotras 51 Moon Mineralogy Mapper 51 spacecraft Cassini 51 infrared telescopes 51 Robotic Arm 51 Vehicle ATV 51 Solar Dynamics Observatory 51 Rosetta comet chaser 51 meteorological satellites 51 Spaceguard 51 Wideband Global 51 DMSP F# 51 Omid Hope 51 Magnetic Imager HMI 51 HTV2 51 Kibo robotic arm 51 ESA ERS 51 Exoplanets 51 JPL manages 51 Gravity Probe 51 Specialist Greg Chamitoff 51 IceCube 51 SkySat 51 Nuclear Spectroscopic Telescope Array 51 GAF AG 51 Shuttle Endeavor 51 Thermal Emission Spectrometer 51 Prodea 51 DEPTHX 51 Orbital Pegasus 51 GOCE satellite 51 QuVIS servers 51 Mastcam 51 builder Bigelow Aerospace 51 ESA Astronaut 51 Hubble orbits 51 INTEGRAL 51 NASA Stardust spacecraft 51 Satellite Launch Vehicle GSLV 51 Optus D3 51 reachback 51 WMAP satellite 51 INSAT 4CR 51 Hubble Space 51 COLBERT treadmill 51 astronomical telescopes 51 RazakSAT 51 remote sensing instruments 51 LADEE 51 NASA twin STEREO 51 Atlas IIAS 51 Astronautical Science 51 Galileo satellites 51 Helioseismic 51 Operationally Responsive Space 51 Tropospheric Emission Spectrometer 51 indigenous cryogenic 51 PlanetQuest 51 Moonbase Alpha 50 largest moon Charon 50 Greenbelt Md. manages 50 GPS 2R 50 orbiting Hubble Space Telescope 50 Soyuz booster 50 orbital insertion 50 ENVISAT 50 neutron spectrometer 50 Jet Propulsion Laboratory JPL 50 engineer Nicole Stott 50 SKA telescope 50 Tranquility node 50 telerobotic 50 Climate Experiment SORCE 50 geostationary communications 50 wife commissioned Celestis 50 Foton M3 spacecraft 50 GPS IIR 50 Milstar satellites 50 Churyumov Gerasimenko 50 Keck telescopes 50 Cosmic Origins Spectrograph COS 50 Geosynchronous Transfer Orbit 50 RESOURCESAT 50 Ariane launcher 50 Pirs Docking Compartment airlock 50 Baiterek 50 Airborne Laser Testbed 50 KA SAT 50 NASA Lunar Crater 50 Solid Liquid Mixtures 50 APEX telescope 50 Hubble telescope 50 Comet Churyumov Gerasimenko 50 Climate Experiment GRACE 50 Wilkinson Microwave Anisotropy Probe 50 nanostructured solar 50 H IIB 50 THEMIS probes 50 Square Kilometer Array 50 Mars# 50 infrared spectrometers 50 Descent Imager Spectral Radiometer 50 radial velocity technique 50 Themis satellites 50 astronomical observatories 50 spiral galaxy Messier 50 Telesat Nimiq 50 Pan STARRS telescope 50 Infrared Astronomy SOFIA 50 don spacesuits 50 extravehicular activities 50 ATV Johannes Kepler 50 Terrain Mapping Camera 50 Upsilon Andromedae b 50 cryo electron microscope 50 CoRoT satellite 50 engineer Timothy Kopra 50 ICO G1 satellite 50 Volatile Evolution 50 geostationary earth 50 David Southwood ESA 50 Kosmotras 50 shuttle Discovery STS 50 Shepherding Spacecraft 50 GALEX 50 Galileoscope 50 EDUSAT 50 Advanced LIGO 50 astronaut helper 50 Russia Khrunichev 50 TDRSS 50 Sample Return 50 Carlo Gavazzi Space 50 Kibo Japanese 50 Stardust spacecraft 50 Air Force Evolved Expendable 50 e MERLIN 50 Ultraviolet Optical Telescope 50 KamLAND 50 Klumpar 50 Koreasat 6 50 SAFIR 50 Martian moon Phobos 50 Intelsat satellites 50 Globalstar constellation 50 T2K 50 Deep Impact eXtended Investigation 50 LOFAR 50 LRO spacecraft 50 INSAT 3D 50 NASA Innovative Partnerships 50 pressurized compartment 50 STORRM 50 linear collider 50 robotic Canadarm 50 GeneSat 50 Rockot launch 50 ESA ASI 50 X ray telescopes 50 NASA ESA Hubble 50 E sciencE EGEE 50 Educator Astronaut 50 ion propulsion 50 NASA rovers 50 PharmaSat 50 Charon Pluto 50 http:/www.nasa.gov/cassini 50 AEHF satellite 50 Xenics 50 Soyuz FG 50 laser altimeter 50 YES2 50 Astrium GmbH 50 satellites orbiting Earth 50 SMEX 50 robotic lander 50 Shallow Subsurface Radar 50 orbital 50 NSLS II 50 ESA XMM Newton 50 manned Soyuz 50 comet Churyumov Gerasimenko 50 Space ENvironment GEochemistry 50 Smos 50 CHIKYU 50 Manned Spacecraft Center 50 Environmental Satellite POES 50 Far Ultraviolet Spectroscopic Explorer 50 Infrared Telescope Facility 50 Megha Tropiques 50 Molniya 50 STIS 50 docking compartment 50 Anik G1 50 gamma ray telescope 50 Comet #P/Churyumov-Gerasimenko 50 successfully undocked 50 MRM1 50 deorbiting 50 hyperspectral imager 50 Pilot George Zamka 50 GOCE 50 SMOS mission 50 GLAST 50 EPOXI 50 Next Giant Leap 50 Paulo Nespoli 50 Compton Gamma Ray 50 APIC advances 50 geosynchronous satellites 50 WISE telescope 50 planetary exploration 50 Technology JAMSTEC 50 Eutelsat W2A satellite 50 Shenzhou manned 50 Proba 50 SRON 50 gamma ray spectrometer 50 LROC 50 BioServe 50 Imaging Spectrometer 50 Soyuz TMA spacecraft 50 Infrared Astronomical Satellite IRAS 50 SumbandilaSat 50 PSLV C9 50 Greenhouse Gases Observing 50 CloudSat spacecraft 50 GSTB V2 50 XMM Newton 50 dimensional visualization 50 Satish Dhawan 50 robotic explorers 50 Impactor 50 NASA JPL 50 Martian lander 50 Suzaku X ray 50 Multi Purpose Logistics 50 robotic spacecraft 50 SpaceWorld 50 Galileo constellation 50 IGMDP 50 NASA Educator Astronaut 50 Heliospheric Investigation 50 Helios 2A 49 reusable spacecraft 49 Xie Mingbao 49 NASA COBE satellite 49 Enceladus flybys 49 GOES N 49 Taikonaut 49 X ray spectrometer 49 LMCSS 49 manned orbital 49 JINR 49 unmanned spacecraft 49 ESA Envisat 49 Lockheed Martin Waterton Canyon 49 Atlantis undocks 49 Spitzer infrared spectrograph 49 Shenzhou VI capsule 49 Cartosat 2A 49 NOAA GOES 49 astronaut Rex Walheim 49 Space shuttle undocks 49 OCO satellite 49 neutrino physics 49 Benthic Rover 49 Foing 49 Vostok spacecraft 49 RQ 7B Shadow 49 Lunar Surface 49 LEOP 49 Commander Sergei Volkov 49 COSPAR 49 astrophysical phenomena 49 Aeronomy 49 Huygens lander 49 spaceborne 49 AEgis Technologies 49 Caltech Jet Propulsion 49 Divine Vessel 49 journal Acta Astronautica 49 Flyby spacecraft 49 Orbital Taurus II 49 Herschel Space Telescope 49 mu Arae 49 UC CEIN 49 Eurostar E# 49 asteroids Ceres 49 Interstellar Boundary Explorer 49 faulty gyroscope 49 Mars Phobos 49 BLG #Lb 49 Heterodyne Instrument 49 Shenzhou V spacecraft 49 dexterous humanoid robot 49 Climate Sounder 49 Glonass K 49 moon Mab 49 NextSat 49 Futurus 49 SpaceLoft 49 SICRAL 1B 49 TerraSAR X 49 Mars Surveyor 49 Astronaut Julie Payette 49 ASTRA 5B 49 Wide Angle Search 49 Optical Spectroscopic 49 quantum cascade 49 unmanned lunar 49 irreversible electroporation IRE 49 Aero Sekur 49 IYA 49 AeroAstro 49 Mars Atmosphere 49 Bepi Colombo 49 heaviest payloads 49 TDRS 49 http:/saturn.jpl.nasa.gov 49 System QZSS 49 physics astrophysics 49 MDRS 49 imaging spectrometer 49 GMLRS Unitary 49 Volker Liebig 49 Nasa Mars Reconnaissance 49 RXTE 49 NFIRE satellite 49 shuttle Canadarm 49 Meteorological Satellites 49 Hinode 49 inhabitable planets 49 Cosmodrome 49 Pressurized Module 49 Lunar Rover 49 Anik F1R 49 CAPE CANAVERAL Astronauts 49 Astrophysics MOA 49 ESTRACK 49 MAINGATE 49 COROT 49 lunar orbiting spacecraft 49 Space Shuttle Orbiter 49 Dnepr rocket 49 Martian rovers 49 NIRSpec 49 aboard Soyuz TMA 49 Webb Telescope 49 Agency JAXA 49 Servicing Mission 49 Kepler 9c 49 Exposed Facility 49 JLab 49 Lopota 49 LaRC 49 simulated Martian 49 hexagonal mirrors 49 Sacred Vessel 49 Galileo spacecraft 49 Orbital Taurus 49 Cosmic Background Explorer COBE 49 NCADE 49 X ray telescope 49 lunar equator 49 extrasolar planetary 49 muon neutrino 49 astrometric 49 cosmic ray detector 49 ion thruster 49 Extra Vehicular Activity 49 ALOS 49 Spacelab 49 Mars Descent Imager 49 Polar Epsilon 49 Harmony Node 49 STEREO spacecraft 49 ADM Aeolus 49 geo stationary satellite 49 Borexino 49 SSM# 49 XTAR EUR 49 Multi Purpose Crew 49 geosynchronous orbit GEO 49 neutrino observatory 49 TATRC 49 Resourcesat 49 geosynchronous transfer orbit 49 intergalactic spaceship 49 Experimental Reactor 49 LCROSS Observation Campaign 49 Youthsat 49 X#B 49 Centre VSSC 49 Infrared Camera 49 Dalcanton 49 Harwell Oxfordshire 49 WGS satellite 49 Multi Purpose Logistics Module 49 transiting exoplanet 49 Spektr 49 Special Purpose Dextrous Manipulator 49 geo synchronous orbit 49 ESA SMART 49 synthetic genomics 49 duration spaceflights 49 ACeS 49 Sojourner rover 49 A# modular 49 Yaogan 49 Diviner instrument 49 C1XS 49 ESA Huygens 49 CryoSat mission 49 Ocean Observatories Initiative 49 LightSail 49 Carl Marchetto 49 Astronaut Leroy Chiao 49 Mercury flyby 49 aboard SpaceX Falcon 49 moonbase 49 CARTOSAT 49 FD OCT 49 Multi Object Spectrograph 49 Rassvet 49 Sun synchronous orbit 49 Hu Shixiang deputy 49 JAUS 49 KOMPSAT 49 KSLV 49 coastal Naro 49 AMERICOM 49 NASAâ € ™ 49 Arabsat 5A 49 probe Huygens 49 observational astronomy 49 NEAR Shoemaker 49 William Gerstenmaier NASA 49 Panoramic Camera 49 Skripochka 49 SpaceWire 49 SARSAT 49 Soyuz launchers 49 GRAIL 49 Turksat 3A 49 Orion LAS 49 microlensing events 49 Solar Sail 49 Academician Fyodorov 49 gamma ray detector 49 New Horizons spacecraft 49 Stellarium 49 Biorisk 49 radioisotope thermoelectric generator 49 Sensing Satellite LCROSS 49 von Karman 49 Galilean satellites 49 high altitude airship 49 inch refractor telescope 48 Naro Space Centre 48 exhaust plume