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(Click for frequent words.) 76 Soil Moisture 74 Convection Rotation 74 Ocean Salinity 73 Planetary Transits 72 Cloud Aerosol Lidar 71 Infrared Pathfinder Satellite 70 ESA Planck 68 Mars Pathfinder lander 68 O OREOS 68 Lunar CRater Observation 68 MetOp 67 SMOS 66 NFIRE 66 planetary Transits 66 Mission TRMM 65 Orbiter LRO 65 Synthetic Aperture Radar 65 gamma ray spectrometer 65 Lunar Reconnaissance Orbiter LRO 65 NASA Lunar Crater 65 EPOCh 65 Helios 2B 65 ESA Rosetta 65 Imaging Spectrometer 65 ESA ERS 64 NASA THEMIS 64 Microwave Imaging Radiometer 64 SMOS Soil Moisture 64 LISA Pathfinder 64 LAGEOS 64 Mars Reconnaissance Orbiter MRO 64 radio occultation 64 Orbiter MRO 64 Climate Experiment GRACE 64 Deep Impact Extended 64 Investigation DIXI 64 Relations Observatory STEREO 63 Moderate Resolution Imaging 63 Advanced Synthetic Aperture 63 Space Telescope GLAST 63 NOAA GOES 63 Near Infrared Camera 63 WISE spacecraft 63 Recovery Experiment SRE 63 Multi Object Spectrometer 63 Total Ozone Mapping 63 laser altimeter 63 ESA SMART 63 EarthCARE 63 Program DMSP 63 NEAR Shoemaker 63 SCISAT 63 ENVISAT 63 Planck spacecraft 63 Reflection Radiometer 63 Proba 2 63 Advanced Microwave Scanning 63 DigitalGlobe WorldView 63 Huygens Probe 63 THEMIS Image 62 Reaches Orbit 62 IBEX spacecraft 62 Ulysses spacecraft 62 Mini SAR 62 NASA Stratospheric Observatory 62 Cryosat 62 Foton M3 62 Envisat satellite 62 GIOVE B 62 NASA Stardust spacecraft 62 NASA LCROSS 62 BepiColombo 62 INSAT 4CR 62 UK DMC2 62 Nasa Mars Reconnaissance 62 Antenna LISA 62 enters lunar orbit 62 comet chaser 62 NASA Wilkinson Microwave 62 Express orbiter 62 Solar Orbiter 62 Spectrometers 62 Interior Laboratory GRAIL 62 Alpha Particle 62 THEMIS Images 62 GOCE satellite 61 NASA twin STEREO 61 Into Orbit 61 Planck satellite 61 TanDEM X 61 Deep Impact eXtended Investigation 61 CALIPSO 61 Moon Mineralogy Mapper M3 61 NASA Cassini 61 Environment Explorer LADEE 61 Mission SRTM 61 Phobos Grunt 61 NASA EPOXI mission 61 Observatory STEREO 61 Infrared Astronomy 61 ESO VLT 61 GOCE 61 NFIRE satellite 61 X ray spectrometer 61 NASA Far Ultraviolet 61 COROT 61 geo synchronous transfer 61 APXS 61 Rosetta orbiter 61 Interstellar Boundary Explorer 61 Satellite GOSAT 61 Mars Color Imager 61 SBSS satellite 61 weather satellite TIROS 61 Extrasolar Planet Observation 61 NASA Spacecraft 61 Spectrograph 61 Lunar Prospector 61 SCIAMACHY 61 Rosetta spacecraft 61 Wilkinson Microwave Probe 61 Aeronomy 61 Envisat satellites 61 radar altimeter 61 Characterization EPOCh 61 Kepler Mission 60 SAR Lupe 60 Geostationary 60 RISAT 2 60 Mars Orbiter 60 ESA XMM Newton 60 THEMIS mission 60 Shallow Subsurface Radar 60 Robotic Arm 60 orbiting gamma ray 60 TecSAR 60 Uninhabited Aerial Vehicle 60 Heterodyne Instrument 60 Plesetsk Cosmodrome 60 Meteorological Satellite 60 Synthetic Aperture 60 orbiter Mars Odyssey 60 SHARAD 60 SIRAL 60 Magnetospheric 60 polarimetric 60 Infrared Astronomy SOFIA 60 SIM PlanetQuest 60 Smos 60 ESA CNES 60 WISE infrared 60 interferometric synthetic aperture radar 60 OSIRIS 60 Synthetic Aperture Radar SAR 60 Ranging spacecraft 60 entered lunar orbit 60 Kiruna Sweden 60 Tropical Rainfall Measuring 60 ESA Herschel 60 Yuri Lonchakov 60 Instrument OMI 60 Optical Spectroscopic 60 PSLV C6 60 Giove B 60 SMOS mission 60 astrometric 60 Launch Scrubbed 60 Volatile Evolution 60 Rosetta comet chaser 59 TerraSAR X 59 Highly Adaptable Satellite 59 HARPS spectrograph attached 59 EPOXI spacecraft 59 Metop 59 Jules Verne ATV 59 NPO Lavochkin 59 LCROSS Lunar Crater Observation 59 Stratospheric Observatory 59 SBSS Block 59 eyepiece #/#s f/#.# 59 Space Capsule 59 Imaging Spectroradiometer 59 RISAT 59 comet flyby 59 MErcury Surface Space ENvironment 59 NASAs 59 Skynet 5C 59 Mars Climate Sounder 59 Observatory SDO 59 Galileo spacecraft 59 Phoenix Microscopy Electrochemistry 59 Solar TErrestrial RElations Observatory 59 Anisotropy Probe 59 Constellation Observing 59 ESA Envisat satellite 59 Shuttle Radar Topography 59 Cassini Huygens 59 asteroid Eros 59 Planck observatory 59 satellite RISAT 59 PSLV C7 59 Explorer WISE 59 CARTOSAT 59 Mossbauer 59 Advanced Spaceborne Thermal Emission 59 polar orbiting 59 NROL 59 Imaging Spectroradiometer MODIS instrument 59 penetrating radar 59 NEOWISE 59 Aqua satellite 59 Fregat upper stage 59 NASA ICESat 59 STSS satellites 59 ESA Envisat 59 DEIMOS 59 Greenhouse Gases Observing 59 visit http:/saturn.jpl.nasa.gov 59 GOES O 59 polar orbiting satellites 59 Moon Mineralogy Mapper 59 Solar Sail 59 NASA Moon Mineralogy 59 NASA Interstellar Boundary 59 geo synchronous 59 ICESat 59 Mars Odyssey Orbiter 59 Fermi Telescope 59 ESA SMOS 59 Infrared Camera 59 Interferometric 59 NASA Gamma ray 59 aboard ESA Envisat 59 X ray observatory 59 nanosatellite 59 NASA Solar Terrestrial 59 COSMO SkyMed 59 Laser Interferometer Space 59 Launched Successfully 58 Continuity Mission LDCM 58 XMM Newton X ray 58 STSS Demo 58 ESA CryoSat 58 Satellite Successfully Launched 58 TSN PZ camera 58 Solar Dynamics Observatory 58 Lunar Crater 58 CALIPSO satellites 58 ST5 58 polarimetry 58 INSAT 3A 58 gamma ray observatory 58 spacecraft Chandrayaan 1 58 ChemCam 58 Mini Thermal Emission 58 Mercury flyby 58 Mössbauer 58 NuSTAR 58 LADEE 58 VIRTIS 58 Multi Object Spectrograph 58 imaging spectrometer 58 Mars Atmosphere 58 Thermal Emission Spectrometer 58 NASA Landsat 58 Neutral Mass Spectrometer 58 Mars CRISM 58 Spectroradiometer 58 ATV Johannes Kepler 58 Gravity Recovery 58 Foton spacecraft 58 STP S# 58 AMASE 58 Thermal Emission 58 neutron spectrometer 58 Ranging MESSENGER spacecraft 58 onboard Chandrayaan 58 Kazakhstan Baikonur Cosmodrome 58 Ozone Monitoring 58 Geosynchronous 58 ray Space Telescope 58 Titan flyby 58 Epoxi 58 Faint Object 58 Cassini flyby 58 ROCSAT 2 58 GOSAT 58 BBSNews #-#-# NASA 58 ATV Jules Verne 58 HiRISE camera aboard 58 Helioseismic 58 DIXI 58 Origins Spectral Interpretation 58 Thales Alenia 58 Comet #P/Churyumov-Gerasimenko 58 Resourcesat 2 58 Mössbauer spectrometer 58 UAVSAR 58 SPICAM 58 Astra 3B 58 ESA GOCE 58 Mossbauer spectrometer 58 Credits ESA 58 Wallops Island Va. 58 Lunokhod 58 telescopic observations 58 Philae lander 58 Microscopy Electrochemistry 58 Spectrometer 58 pressurized module 58 KA SAT satellite 58 NASA Orbiting Carbon 58 Magnetic Imager HMI 58 NASA STEREO 57 Facility SIRTF 57 Planetary Fourier Spectrometer PFS 57 remote sensing satellite Resourcesat 57 Exoplanet 57 CoRoT satellite 57 TIROS 57 Elenin 57 Meteorological Satellites 57 Yinghuo 1 57 Commander Sergei Volkov 57 Suite VIIRS 57 MARSIS 57 GPS IIR M 57 Huygens mission 57 Ariane launcher 57 interplanetary spacecraft 57 Radiation Dose Monitor 57 GPS 2R 57 spacecraft Cassini 57 Titan flybys 57 Solar Optical Telescope 57 Foton M3 mission 57 geosynchronous GEO 57 Spectroradiometer MODIS 57 Main Injector Neutrino 57 EDXRF 57 Satellites GOES 57 Impactor 57 Eurockot 57 MetOp satellite 57 SBIRS HEO 57 Cubesat 57 Conductivity Analyzer 57 KOMPSAT 57 orbiting observatories 57 ECA launcher 57 Comet Hartley 57 High Resolution Imaging 57 ExoMars rover 57 Greenbelt Md. manages 57 MUSES C 57 Cartosat 2A 57 Hubble Space Telescope HST 57 Suzaku X ray 57 spaceborne 57 Astra 1L 57 Conductivity Analyzer MECA 57 RADARSAT 2 57 Composite Infrared Spectrometer 57 Satellite Launch 57 CryoSat mission 57 gradiometer 57 ADM Aeolus 57 Tropospheric Emission Spectrometer 57 meteorological satellites 57 Minotaur rocket 57 Shallow Radar 57 Relative Navigation 57 probe Chang'e 57 Infrared Array Camera 57 NASA Cosmic Background 57 System Block IIR 57 Descent Imager Spectral Radiometer 57 Mars Pathfinder 57 Sounder AIRS instrument 57 ESA Proba 57 Cosmic Background Explorer 57 Successfully Launched 57 Anisotropy Probe WMAP 57 vehicle PSLV C# 57 Solar Backscatter Ultraviolet 57 retroreflector 57 Magnetometer 57 Plesetsk cosmodrome 57 MEASAT 3a 57 Area Telescope LAT 56 microscopic imager 56 Nasa spacecraft 56 Chang'eI 56 ExoMars Trace Gas 56 C NOFS 56 Miniature Synthetic Aperture Radar 56 neutral mass spectrometer 56 Aerosol Polarimetry Sensor 56 Lunar Laser Ranging 56 Quasi Zenith Satellite 56 orbit GEO 56 INSAT 3D 56 Hubble Near Infrared 56 NASA Atmospheric Infrared 56 airglow 56 Telesat Nimiq 56 Foton M2 56 LEOP 56 geosynchronous 56 Wilkinson Microwave Anisotropy Probe 56 Multispectral 56 Planck telescope 56 Redu Belgium 56 Cassini Image 56 Comet Hartley 2 56 WMAP satellite 56 RHESSI 56 Mars moon Phobos 56 APEX telescope 56 geosynchronous satellite 56 MRM1 56 Cosmodrome 56 Lunar Reconnaissance Orbiter 56 NASA Kepler 56 FORMOSAT 56 Landsat Data 56 NASA Tropical Rainfall 56 orbiter Cassini 56 CloudSat 56 Phased Array 56 Space ENvironment GEochemistry 56 Radar Imaging 56 NAVSTAR 56 NASA MESSENGER spacecraft 56 Risky Spacewalk 56 infrared observatory 56 Nikon D# Kowa 56 Yaogan 56 Skynet 5B 56 Yuri Shargin 56 SSETI Express 56 Rockot launcher 56 GALEX 56 PSLV C 56 submillimetre wavelengths 56 Plesetsk 56 NASA Stardust NExT 56 geo stationary orbit 56 Polar Operational 56 Atlas IIAS 56 Radar ASAR instrument 56 Shepherding Spacecraft 56 equatorial orbit 56 Churyumov Gerasimenko 56 Koreasat 6 56 TerraSAR X satellite 56 Japanese Pressurized Module 56 lunar orbiting spacecraft 56 ESA Huygens probe 56 Climate Sounder 56 Climate Experiment SORCE 56 Nasa Kepler 56 Spacebus 56 asteroid Steins 56 DIRECTV 7S 56 infrared telescope 56 Ocean Surface Topography 56 Earth orbiting satellites 56 sun synchronous orbit 56 Earth Asteroid Rendezvous 56 Kepler Telescope 56 Molniya 56 Hinode satellite 56 DART spacecraft 56 Esrange Space Center 56 Ofeq 56 EO IR sensor 56 System QZSS 56 KAGUYA 56 NAVSTAR Global Positioning System 56 CDR SO 56 Curiosity rover 56 ESA Integral 56 infrared spectroscopic 56 stratospheric balloon 56 Hinode spacecraft 56 Astronauts Install 56 Atlantis undocks 56 Orbital Express 56 HIAPER 56 CHIPSat 56 Herschel Planck 56 Russian cosmonaut Alexander Kaleri 56 http:/saturn.jpl.nasa.gov 55 MELFI Minus Eighty 55 Lunar Orbiter 55 Skynet 5A 55 D CIXS 55 Climate Experiment 55 AMIE camera 55 Interferometer 55 Cassini Equinox 55 XMM Newton satellite 55 HAMSAT 55 GEochemistry 55 JCSAT 9 55 Gas Chromatograph Mass Spectrometer 55 unmanned Chandrayaan 55 Huygens lander 55 Fomalhaut b 55 EADS Astrium GmbH 55 Proba 55 Terrain Mapping Camera 55 Technology Centre ESTEC 55 YES2 55 X ray Spectrometer 55 Permanent Multipurpose Module PMM 55 LRO LCROSS 55 Cassini Huygens spacecraft 55 Impact Probe MIP 55 Anik F3 55 George Zamka 55 nanosatellites 55 Soyuz rocket carrying 55 unmanned Progress 55 Insat 3A 55 NIRCam 55 Optical Microscope 55 Kosmos 3M 55 Jupiter Ganymede 55 Saturnian moon Titan 55 Samokutyayev 55 TDRSS 55 OMEGA instrument 55 infrared spectrometers 55 Aquarius SAC 55 Fermi LAT 55 Eutelsat KA SAT 55 Mars Lander 55 ESA Mars 55 Chajnantor plateau 55 asteroid Itokawa 55 Comet Dust 55 WISE telescope 55 ESA ASI 55 Space Infrared Telescope 55 GLAST spacecraft 55 Turksat 4A 55 Satellite Launch Vehicle 55 Anik F2 55 maritime subsurface 55 Atlantis Undocks From 55 Galileo satellites 55 Lunar Orbit 55 Photoacoustic 55 comet Churyumov Gerasimenko 55 Sensing Satellite 55 Space Environment Geochemistry 55 Europa Orbiter 55 MESSENGER MErcury Surface 55 THEMIS satellites 55 Kepler spacecraft 55 CARTOSAT 2A 55 Laser Radar 55 On Orbit Status 55 comet #P/Churyumov-Gerasimenko 55 Paulo Nespoli 55 AKARI 55 rover Spirit landed 55 ARTEMIS 55 Andrei Borisenko 55 Delfi C3 55 Environmental Satellites POES 55 Oceansat 55 Reflection Radiometer ASTER 55 Operations Centre ESOC 55 THEMIS 55 Eurobot 55 Geo IK 55 Omid Hope 55 Global Precipitation Measurement 55 NASA Lunar Reconnaissance 55 DMSP F# 55 Optical Gravitational Lensing Experiment 55 particle detector 55 GPS IIF 55 Autonomous Rendezvous Technology 55 ESA Cluster 55 STPSat 55 Orbiting Carbon Observatory OCO 55 http:/www.nasa.gov/cassini 55 Field Infrared Experiment 55 Kepler 9c 55 ASTRA 1KR 55 Sensing Satellite LCROSS 55 engineer Yury Lonchakov 55 Lunar Reconnaissance Orbiter Camera 55 windshield wiper maneuver 55 geostationary transfer 55 HySI 55 Rockot 55 specialists Scott Parazynski 55 Mars Orbiter Laser Altimeter 55 GIOVE 55 Geosynchronous orbit 55 Mission TRMM satellite 55 airborne observatory 55 Cassini Huygens Mission 55 AMSR E 55 Envisat Advanced Synthetic Aperture 55 GeneSat 55 Ariane rocket 55 Comet 9P/Tempel 1 55 Cosmic Origins Spectrograph COS 55 Astronauts Begin 55 TDRS K 55 Infrared Thermal Imaging Spectrometer 55 Neutron Detector 55 Mars Odyssey spacecraft 55 spectrographic 55 ESRIN 55 LORRI 55 Postpones Launch 55 satellite GSAT 55 SOHO spacecraft 55 Astro E2 55 Saturn Cassini 55 GeneSat 1 55 cosmic ray detector 55 Geo synchronous 55 satellite Giove 55 KALPANA 55 Rockot launch 55 Astrium Satellites 55 Resourcesat 55 Alphabus 55 nEUROn 54 Earth Observation Satellite 54 unstowed 54 NASA MESSENGER 54 ESOC 54 GOES N 54 Mobile Mesh Node 54 ASTRA 1L 54 synthetic aperture radar 54 Environmental Satellite POES 54 Cosmic Evolution 54 sub millimeter wavelengths 54 PSLV rocket 54 Spirent GSS# 54 Infrared Atmospheric 54 Moderate Imaging Spectroradiometer 54 Vehicle ATV 54 Keck Interferometer 54 SeaWiFS 54 Soyuz FG carrier 54 Geosynchronous Transfer Orbit 54 SINFONI 54 Huygens descent 54 situ measurements 54 Remote Sensing Satellite 54 Aboard Endeavour 54 Noordwijk Netherlands 54 Kepler Space Telescope 54 Cassini ion 54 Cosmo SkyMed 54 flyby spacecraft 54 WFC3 54 twin STEREO spacecraft 54 Geoscience Laser Altimeter 54 Meteosat 54 Russian Soyuz Fregat 54 ISRO Polar 54 Japanese Experiment Module 54 MTSAT 54 Extragalactic 54 Solar Arrays 54 spacecraft orbited 54 Dmitri Kondratyev 54 Eurockot Launch Services 54 Hyperspectral 54 C1XS 54 Herschel Space 54 ionization mass spectrometry 54 communication satellite GSAT 54 Context Camera 54 astronomical telescope 54 airborne particles affect 54 shuttle Endeavour STS 54 DISR 54 Mars Phobos 54 Fermi Gamma ray 54 Full Operational Capability 54 exoatmospheric kill vehicle 54 Comet Churyumov Gerasimenko 54 WISE mapped 54 Viking landers 54 JPL manages 54 Atmospheric Infrared Sounder 54 photographing handrails antennas 54 Spectroscopic 54 Vehicle UAV 54 astronauts Hans Schlegel 54 velocity Planet Searcher 54 geostationary earth 54 Solar Terrestrial Relations 54 Cometary 54 OCO satellite 54 COROT satellite 54 Kosmos 3M rocket 54 Eurostar E# platform 54 Stardust spacecraft 54 Formosat 54 Landsat satellites 54 Arabsat 5A 54 EPOXI mission 54 Alexander Smoleyevsky 54 Imaging Spectrometer MERIS 54 PSLV C# rocket 54 Frascati Italy 54 Orbiting Carbon Observatory 54 Orbiter 54 EPOXI 54 Space Station Status 54 Landsat satellite 54 Earth asteroid Itokawa 54 Lunar Orbiter Laser Altimeter 54 ICO G1 satellite 54 Optus D2 54 NASA GLAST 54 Block 5D 54 Hyperspectral Imager 54 Measuring Mission TRMM 54 GSLV D3 rocket 54 NASA WMAP 54 mineralogical mapping 54 Neutron Spectrometer 54 Deep Field HUDF 54 systems EW suites 54 Alexander Samokutyayev 54 Centre SHAR 54 Mid Infrared 54 Shuttle Atlantis blasts 54 Esrange 54 Rokot 54 Ray Spectrometer 54 Fermi telescope 54 PSLV C8 54 Radar ASAR 54 Deep Impact flyby spacecraft 54 COMSATBw 54 Insat 54 OSIRIS REx 54 Lunar Atmosphere 54 Launch Postponed 54 GLAST Burst Monitor 54 Glonass K 54 NASA Ares IX 54 German SAR Lupe 54 SRON 54 scatterometer 54 CryoSat 54 CRISM 54 La Silla observatory 54 XMM Newton 54 SpaceX Falcon 54 Block IIF 54 Baikonur spaceport 54 Pegasus XL 54 probe Huygens 54 La Silla Observatory 54 ILS Proton Successfully Launches 54 CrIS 54 LRO spacecraft 54 HEO payload 54 ARRL AMSAT 54 WebTAS 54 INMS 54 NPOESS Preparatory Project 54 SBIRS GEO 54 UV Visible 54 Near Infrared 54 MARSIS radar 54 smallest exoplanet 54 SPACE SHUTTLE 54 Mars Analog Svalbard 54 Spatiales 54 alpha particle X ray 54 SIRTF 54 submillimeter wavelength 54 Earth Observation EO 54 hyperspectral imager 54 laser altimetry 54 ARGUS IS 54 NASA CloudSat 54 FalconSat 2 53 Orbit Validation 53 Mars orbiter 53 Lifts Off 53 Michael Studinger 53 Jupiter Icy Moons 53 Eurostar E# 53 Vehicle OBV 53 Shuttle Docks 53 Optical Coherence Tomography 53 Ariane launchers 53 Giovanni Cassini 53 Kounotori2 53 Baikonour 53 Turksat 3A 53 CBERS 53 orbited Jupiter 53 High Accuracy Radial 53 AMPERE 53 Magnetic Imager 53 Pressurized Module 53 Imaging Spectroradiometer MODIS 53 NASA COBE satellite 53 Confocal 53 Spy Satellite 53 INSAT 4B 53 entire Milstar constellation 53 Space Acceleration Measurement 53 detect gravitational waves 53 Wide Angle Search 53 Laboratory Freezer 53 Mesosphere 53 Ångström 53 Space Shuttle Launch 53 RADARSAT 53 Compact Reconnaissance Imaging Spectrometer 53 Servicing Mission 53 Technology Demonstration JCTD 53 EKV 53 Express AM# 53 GRACE Gravity 53 Envisat 53 Multiparameter 53 Microscopic Imager 53 Shuttle Atlantis docks 53 Launch Vehicle 53 aboard Taurus XL 53 ESA ESTEC 53 Stardust NExT mission 53 4th Spacewalk 53 NASA MErcury Surface 53 spacecraft flyby 53 Andrey Borisenko 53 microsatellite 53 Nasa Deep Impact 53 lunar explorer 53 Hinode 53 Landsat Data Continuity 53 Axio Imager 53 geosynchronous transfer orbit 53 Flyby 53 STEREO spacecraft 53 thermal infrared 53 Extrasolar Planets 53 INSAT 3E 53 New Horizons spacecraft 53 CBERS 2B 53 Thermo Scientific LTQ Orbitrap 53 Wideband Gapfiller Satellite 53 ASTRA 3B 53 Launch Vehicle EELV 53 Pancam 53 Energetic Particle 53 Explorer IBEX 53 spectrographs 53 NASA Mars Orbiter 53 Satellite Launch Vehicle GSLV 53 VIRTIS instrument 53 Orbiter spacecraft 53 Sounding Rocket 53 High Frequency AEHF 53 ASPERA 53 Gamma ray Large 53 orbiting Mars 53 RESOURCESAT 53 VINASAT 53 Macroscale Interactions during 53 microwave radiometer 53 Lunar Exploration 53 Skripochka 53 ROSAT 53 GNSS receivers 53 Space Station Astronauts 53 Ion Trap 53 Tod Strohmayer 53 NASA Lunar CRater 53 Extrasolar Planet Observations 53 Soyuz launcher 53 Particle Size 53 XTAR EUR 53 Oceansat 2 53 Telescope BAT 53 Moessbauer spectrometer 53 X ray telescope 53 WGS Block 53 Submillimeter 53 Ultraviolet Imaging Spectrograph UVIS 53 aboard Vostok 53 Vandenberg AFB Calif. 53 Shuttle Discovery Blasts 53 Security GMES 53 Heliospheric Observatory SOHO 53 comet Wild 53 cosmic cannibal 53 Cassini orbiter 53 Dnepr rocket 53 UVOT 53 spacecraft 53 GSLV rocket 53 Lunar Surface 53 lunar orbiters 53 ExoMars mission 53 microwave remote sensing 53 Observatoire de Paris 53 closest flyby 53 Fregat 53 NASA QuikScat satellite 53 Based Augmentation System 53 Spacecraft Control 53 reentry capsule 53 Asteroid Probe 53 Ariane 5G 53 geostationary 53 Shuttle Discovery blasts 53 X ray Telescope 53 Mass Spectrometer 53 aboard SpaceX Falcon 53 Robotic Arm Camera 53 moon permanently shadowed 53 polar orbits 53 X ray Telescope XRT 53 radiometers 53 IKAROS 53 Communications System DSCS 53 cryocooler 53 interstellar dust samples 53 Chandrayaan II 53 perigee nearest point 53 copper impactor 53 Oefelein piloted 53 SATCOM WGS 53 Kaguya spacecraft 53 aboard Soyuz TMA 53 radiometer 53 SECA upholds Samsung 53 Jules Verne Automated Transfer 53 Vostok 3KA 53 Orion LAS 53 ESA Earth Observation 53 HiRISE camera 53 preset orbit 53 veteran spaceflyer 53 OMPS 53 PO Yuzhmash 53 exoplanets planets 53 Samuel Oschin Telescope 53 submillimetre 53 aboard Envisat 53 Imaging Spectrograph 53 radar altimeters 53 Globalstar satellites 53 Saturn Moons 53 XMM Newton observatory 53 EUTELSAT 53 Satellite GOES 53 X #A Waverider 53 ISRO Telemetry Tracking 53 VIIRS 53 Roman Romanenko 53 GSLV F# carrying 53 Mars Opportunity rover 53 Cygnus Lyra region 53 NASA Lunar Prospector 53 Sample Return 53 QWIP 53 Payloads 52 NigeriaSat 52 Kepler observatory 52 Jacques Laskar 52 X ray spectrometers 52 ExoMars 52 OSIRIS Rex 52 Tanegashima Space Centre 52 NASA ESA Hubble 52 Pluto Kuiper Belt 52 inch Samuel Oschin 52 Radiation Belt 52 Poisk 52 Profiler Suite OMPS 52 radar altimetry 52 particle analyzers 52 Earth Connection Coronal 52 MPG ESO 52 Megha Tropiques