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(Click for frequent words.) 72 Hinode satellite 68 Hinode 64 twin STEREO spacecraft 63 STEREO spacecraft 63 Subaru Telescope 63 Solar Optical Telescope 63 Ulysses spacecraft 62 X ray spectrometer 61 SOHO spacecraft 61 ESA ERS 61 ESO VLT 61 Relations Observatory STEREO 61 Orbiter LRO 60 Observatory SDO 60 Reflection Radiometer 60 KAGUYA 60 Alpha Particle 60 RHESSI 60 Planck satellite 60 Hubble Space Telescope HST 60 NASA ESA Hubble 60 ESA Planck 60 SeaWiFS 60 ray Space Telescope 60 Subaru telescope 59 Spectrograph 59 neutron spectrometer 59 EPOCh 59 Convection Rotation 59 Imaging Spectrometer 59 COROT 59 Orbiter MRO 59 ROSAT 59 Heliospheric Observatory SOHO 59 planetary Transits 59 Ozone Monitoring 59 CoRoT satellite 59 Kepler Mission 59 Observatory STEREO 59 ESA Envisat satellite 59 RXTE 59 Mars Reconnaissance Orbiter MRO 58 VIRTIS 58 Evolution Explorer 58 Envisat satellite 58 Galileo spacecraft 58 Multi Object Spectrometer 58 D CIXS 58 X ray telescopes 58 Planck observatory 58 X ray observatory 58 Japan NAOJ 58 Ray Spectrometer 58 NASA THEMIS 58 RS Ophiuchi 58 Advanced Spaceborne Thermal Emission 58 NASA Kepler telescope 57 Super Kamiokande 57 Hayabusa spacecraft 57 ESA Envisat 57 Kaguya spacecraft 57 Thermal Emission 57 NASA Wilkinson Microwave 57 NASA twin STEREO 57 Aqua satellite 57 KamLAND 57 NASA Cassini spacecraft 57 WISE infrared 57 Solar Dynamics Observatory 57 GALEX 57 IKAROS 57 exhaust plume 57 gamma ray observatory 57 IBEX spacecraft 57 APXS 57 Fermi Gamma ray 57 Moon Mineralogy Mapper M3 57 infrared observatory 57 enters lunar orbit 57 ESA Cluster 57 Planetary Transits 57 imaging spectrometer 57 Mission SRTM 57 NASA Cosmic Background 57 Keck Telescope 57 Lunar Reconnaissance Orbiter LRO 57 NASA STEREO 57 C1XS 56 THEMIS satellites 56 Cloud Aerosol Lidar 56 Space Agency JAXA 56 NASA Lunar Prospector 56 ESO telescopes 56 Lunar CRater Observation 56 Fermi telescope 56 Cassini flyby 56 WMAP satellite 56 spectroscopic observations 56 Envisat Advanced Synthetic Aperture 56 HARPS instrument 56 Smos 56 aboard ESA Envisat 56 Solar TErrestrial RElations Observatory 56 Formosat 2 56 Infrared Pathfinder Satellite 56 Nasa Mars Reconnaissance 56 Telescope Array 56 ESA XMM Newton 56 Interferometer 56 SMOS 56 Synthetic Aperture Radar 56 SPICAM 56 Extrasolar Planet Observation 56 Anisotropy Probe 56 Suzaku X ray 56 photometer 56 X ray Telescope XRT 56 Sounder AIRS instrument 56 XMM Newton 56 polarimetric 56 Comet 9P/Tempel 1 56 Ocean Salinity SMOS 56 Keck telescopes 56 FORMOSAT 56 GOSAT 55 laser altimeter 55 ESO telescope 55 multiwavelength 55 gamma ray spectrometer 55 radar interferometry 55 Planetary Fourier Spectrometer PFS 55 Ultraviolet Imaging Spectrograph 55 National Astronomical Observatory 55 JAMSTEC 55 spacecraft Hayabusa 55 Mars orbiting spacecraft 55 NASA Moon Mineralogy 55 Magnetospheric 55 Near Infrared Camera 55 Mars CRISM 55 orbiting gamma ray 55 Galaxy Evolution 55 AKARI 55 radio occultation 55 Spectroscopic 55 Envisat satellites 55 orbiting observatories 55 Tropical Rainfall Measuring 55 Interstellar Boundary Explorer 55 Ocean Salinity 55 astrometric 55 Impact Probe MIP 55 Agency JAXA 55 Moon Mineralogy Mapper 55 spacecraft orbiting 55 NASA COBE satellite 55 gamma ray telescope 55 onboard Chandrayaan 54 Lunar Orbiter Laser Altimeter 54 NASA Voyager spacecraft 54 Yinghuo 1 54 radial velocity technique 54 gamma rays emitted 54 Keck telescope 54 THEMIS mission 54 Deep Impact Extended 54 NASA Far Ultraviolet 54 Astronautical Science 54 Faint Object 54 NASA Kepler 54 NASA Stratospheric Observatory 54 NASA LCROSS 54 ESA Integral 54 Climate Experiment GRACE 54 Uninhabited Aerial Vehicle 54 NASA Interstellar Boundary 54 moonquakes 54 Mössbauer 54 spatially resolved 54 Mars Orbiter 54 Lunar Orbiter 54 TerraSAR X 54 Extreme Ultraviolet Imaging Spectrometer 54 Landsat satellite 54 radiometer 54 Phobos Grunt 54 solar corona 54 interferograms 54 smallest exoplanet 54 LISA Pathfinder 54 C NOFS 54 Advanced Microwave Scanning 54 telescopic observations 54 infrared telescope 54 Submillimeter Array 54 Area Telescope LAT 54 Great Observatories 54 spectrographic 54 Microlensing Observations 54 CARTOSAT 54 Keck Interferometer 54 NOAA GOES 54 Faulkes Telescope 54 infrared interferometry 54 infrared spectrometers 54 Anisotropy Probe WMAP 54 Gas Chromatograph Mass Spectrometer 54 Envisat 54 GLAST telescope 54 NASA Kepler spacecraft 54 Lunar Reconnaissance Orbiter Camera 54 NASA Orbiting Carbon 53 Rosetta comet chaser 53 Instrument OMI 53 Planck telescope 53 airglow 53 MTSAT 53 Astrophysics MOA 53 remote sensing satellite Resourcesat 53 Helioseismic 53 UKIRT 53 interplanetary spacecraft 53 distant quasar 53 LAGEOS 53 astronomical telescope 53 penetrating radar 53 STSS satellites 53 Wilkinson Microwave Anisotropy Probe 53 Foton spacecraft 53 AATSR 53 ESA Herschel 53 GOCE satellite 53 ESA SMART 53 NASA ICESat 53 radar altimeter 53 UVOT 53 lunar orbiting spacecraft 53 Kepler spacecraft 53 Interferometric 53 SECCHI 53 Wilkinson Microwave Probe 53 Lunar Laser Ranging 53 O OREOS 53 TRMM satellite 53 polar mesospheric clouds 53 PSLV C7 53 TRMM 53 Diviner 53 NASA MODIS 53 polar orbiting satellites 53 Express orbiter 53 Nasa spacecraft 53 Explorer WISE 53 Nasa Kepler 53 orbiting Chandra 53 ST5 53 Mercury flyby 53 Mars Climate Sounder 53 infrared telescopes 53 Surveys ACS 53 Heterodyne Instrument 53 Mars Odyssey spacecraft 53 Neutron Spectrometer 53 Descent Imager Spectral Radiometer 53 Earth orbiting satellites 53 Mission TRMM 53 photoelectron 53 Infrared Telescope 53 ENVISAT 53 NASA Lunar CRater 53 mineralogical composition 53 Magnetic Imager HMI 53 geoneutrinos 53 THEMIS spacecraft 53 NASA EPOXI mission 53 spectroscopic analysis 53 NASA Tropical Rainfall 53 exoplanetary 53 Astro E2 53 interferometric 53 ALOS 53 Planck spacecraft 53 Herschel Space 52 Resolution Stereo Camera 52 Measuring Mission TRMM 52 X ray telescope 52 La Silla observatory 52 Moderate Resolution Imaging 52 Kaguya 52 DISR 52 Remote Sensing Satellite 52 DIXI 52 spacecraft flyby 52 VLTI 52 Foton M3 52 Reflection Radiometer ASTER 52 spaceborne 52 distant supernovae 52 Fermi Telescope 52 Fermi LAT 52 Neutron Detector 52 Orbiter spacecraft 52 Resourcesat 2 52 spectroscopic measurements 52 Active Galactic Nuclei 52 coronagraph 52 Observatory Very 52 Earth Observation EO 52 NuSTAR 52 Atmospheric Infrared Sounder 52 BLG #Lb 52 V# Mon 52 microlensing events 52 NASAs 52 Oceansat 2 52 tau neutrino 52 CALIPSO 52 electron neutrinos 52 HyShot 52 Composite Infrared Spectrometer 52 visit http:/saturn.jpl.nasa.gov 52 Infrared Array Camera 52 XMM Newton X ray 52 Swift Ultraviolet Optical 52 SuperWASP 52 CHIKYU 52 SDSS II 52 INTEGRAL 52 KOMPSAT 52 Thermal Emission Spectrometer 52 Spectrometers 52 Meteosat 52 Mars Color Imager 52 Uchinoura Space Center 52 Remote sensing 52 INTEGRAL satellite 52 planetary nebulas 52 Space Telescope GLAST 52 X ray Spectrometer 52 radioisotope thermoelectric generators 52 Laser Interferometer Gravitational Wave 52 Viking landers 52 Gamma ray 52 retroreflector 52 SEGUE 52 Deep Impact eXtended Investigation 52 Resourcesat 52 Rosetta orbiter 52 Kepler Space Telescope 52 infrared spectra 52 unmanned lunar orbiter 52 Photometric 52 ESA Rosetta 52 NASA Stardust spacecraft 52 NASA Fermi Gamma 52 Total Ozone Mapping 52 High Resolution Imaging 52 radiometers 52 AMSR E 52 HESS telescopes 52 SMOS Soil Moisture 52 WISE telescope 52 HARPS spectrograph attached 52 mineralogical mapping 52 spectroscopically 51 HRSC 51 Infrared Astronomical Satellite IRAS 51 orbiting Hubble telescope 51 LRO spacecraft 51 Envisat ASAR 51 Bug Nebula 51 NASA MESSENGER spacecraft 51 BepiColombo 51 Mini SAR 51 Mars Pathfinder 51 Andromeda halo 51 Radar ASAR instrument 51 Cassini Huygens spacecraft 51 SCIAMACHY 51 Very Large Telescope 51 situ measurements 51 Telescope BAT 51 AMIE camera 51 coronal loops 51 Mossbauer 51 Infrared Astronomical Satellite 51 Exoplanet 51 Satellite Launch Vehicle 51 GOES O 51 numerical simulations 51 OSIRIS 51 NASA satellites orbiting 51 UK DMC2 51 Cryosat 51 HD# [002] 51 NASA Solar Terrestrial 51 astrometry 51 MERIS 51 Venus Climate Orbiter 51 comet chaser 51 spectrometric 51 Quasi Zenith Satellite 51 ESO Very Large Telescope 51 CBERS 51 inch Samuel Oschin 51 Cassini Huygens 51 spectroscopic 51 Optical Gravitational Lensing Experiment 51 NASA Lunar Reconnaissance 51 Solar Orbiter 51 X ray observatories 51 Neutral Mass Spectrometer 51 Shuttle Radar Topography 51 OGLE TR #b 51 Japanese Experiment Module 51 starquakes 51 Aeronomy 51 Pancam 51 Herschel Space Telescope 51 Orbiting Carbon Observatory 51 sondes 51 stellar occultations 51 telescope atop Mauna 51 spacecraft orbited 51 MTSAT 1R 51 backscattered 51 Infrared Astronomy SOFIA 51 Shepherding Spacecraft 51 induced fluorescence 51 Antenna LISA 51 Curiosity rover 51 Voyager spacecraft 51 Mars Orbiter Laser Altimeter 51 orbiting Hubble Space Telescope 51 X ray absorption spectroscopy 51 journal Acta Astronautica 51 Mars Pathfinder lander 51 RazakSAT 51 Imaging Spectrometer MERIS 51 Impactor 51 Deep Impact comet 51 Banzai replied 51 Churyumov Gerasimenko 51 spacecraft Cassini 51 Foton M2 51 Greenhouse Gases Observing 51 TerraSAR X satellite 51 transiting exoplanets 51 Interior Laboratory GRAIL 51 MG J# +# 51 Dynamics Observatory 51 JAXA 51 nanosatellite 51 orbiter Mars Odyssey 51 Comet Halley 51 neutrino experiments 51 Sensing Satellite LCROSS 51 Terrain Mapping Camera 51 Spitzer infrared spectrograph 51 STEREO 51 SINFONI 51 polarimetry 51 APEX telescope 51 frequency combs 51 spectrographs 51 ASCAT 51 Foing 51 neutral mass spectrometer 51 WISE spacecraft 51 irregularly shaped asteroid 51 jovian 51 photometers 51 Chikyu 51 NFIRE satellite 51 Aerosol Polarimetry Sensor 51 icy comets 51 HiRISE camera aboard 51 NASA Chandra 50 THEMIS 50 filamentary structure 50 cosmological distances 50 Scatterometer 50 NASA WMAP 50 gravitationally lensed 50 Higgs bosons 50 ESO PR 50 NASA MESSENGER 50 Wide Angle Search 50 AVHRR 50 spacecraft Chandrayaan 1 50 Infrared Camera 50 NAOJ 50 Proba 50 type Ia supernovae 50 Ultraviolet Optical Telescope 50 scanning electron micrograph 50 Radiation Dose Monitor 50 Hubble orbits 50 EPOXI mission 50 cryo electron microscope 50 EPOXI spacecraft 50 lunar orbiters 50 Synthetic Aperture Radar SAR 50 Cosmic Microwave Background 50 bolometers 50 Landsat satellites 50 spectroscope 50 Compact Reconnaissance Imaging Spectrometer 50 GRB# 50 MARSIS 50 Satellite GOSAT 50 Infrared Thermal Imaging Spectrometer 50 radiotelescope 50 TanDEM X 50 Lunar Exploration 50 Space Telescope 50 TecSAR 50 Cartosat 2A 50 ultraviolet imaging spectrograph 50 scatterometer 50 WM Keck Observatory 50 robotic landers 50 MetOp 50 Nasa Mars Odyssey 50 Voyager probes 50 Microscopy AFM 50 ESA Mars 50 auroral emissions 50 WFC3 50 COSMO SkyMed 50 polar orbiting 50 NASA Atmospheric Infrared 50 Oscillations 50 Cosmic Background Explorer COBE 50 NIRCam 50 Spectrometer 50 entered lunar orbit 50 Gravity Recovery 50 spacecrafts 50 VISTA telescope 50 Huygens descent 50 exoplanets orbiting 50 Magnetic resonance 50 Martian lander 50 hyperspectral imager 50 ejecta plume 50 COROT 7b 50 Martian rovers 50 Multi Object Spectrograph 50 Cometary 50 Normalized Difference Vegetation 50 Michibiki 50 SELENE 50 intrinsic brightness 50 UAVSAR 50 Lyman alpha 50 Spectroradiometer 50 Gravity Probe 50 NASA Gamma ray 50 spectroscopic technique 50 submillimetre 50 Mars Orbiter Camera 50 NICT 50 DEIMOS 50 Magellanic Stream 50 Giovanni Cassini 50 http:/www.nasa.gov/cassini 50 Infrared Telescope UKIRT 50 millimeter wavelengths 50 Jacques Laskar 50 AIRS infrared 50 ESO Paranal Observatory 50 LADEE 50 microsatellite 50 Oceansat 50 WindTracer 50 Scanning Electron Microscope 50 Rayleigh scattering 50 Anthony Remijan 50 airborne LiDAR 50 Technology AIST 50 Io Europa 50 THEMIS Images 50 Cassini orbiter 50 fluorescence microscope 50 comets asteroids 50 type 1a supernovae 50 MARSIS radar 50 coronal mass ejections CMEs 50 Helix Nebula 50 NFIRE 50 Red Rectangle 50 Solar Terrestrial Relations 49 orbiting observatory 49 spectral characteristics 49 Near Infrared 49 gamma ray energies 49 Resolution Imaging Spectrometer 49 Aquarius SAC 49 GOES satellites 49 ExoMars rover 49 Global Surveyor 49 LORRI 49 Lunar Crater 49 meteoritic material 49 accelerator mass spectrometry 49 Kibo module 49 UCO Lick 49 GOCE 49 RS Oph 49 photon microscope 49 binary asteroid 49 Asteroid Itokawa 49 LCROSS Lunar Crater Observation 49 MESSENGER spacecraft 49 CloudSat 49 SMOS mission 49 Shallow Subsurface Radar 49 INMS 49 SPIRE instrument 49 Gemini telescopes 49 SCISAT 49 unmanned probes 49 Mauna Kea Hawaii 49 Photoacoustic 49 CBERS 2B 49 Tod Strohmayer 49 Cherenkov 49 Infrared Mapping Spectrometer VIMS 49 SIRAL 49 Force Microscopy 49 type Ia supernova 49 ICESat 49 Satellites GOES 49 rocky extrasolar planet 49 Upsilon Andromedae 49 Viking Lander 49 Array ALMA 49 radar altimetry 49 SDSS III 49 STIS 49 Context Camera 49 Fluorescence 49 impactor spacecraft 49 diffraction patterns 49 gravitational microlensing 49 Shenzhou spacecraft 49 VLBI 49 Lulin Observatory 49 GLAST spacecraft 49 Extragalactic 49 Chandrayaan II 49 NASA MODIS satellite 49 XMM Newton satellite 49 Mossbauer spectrometer 49 http:/saturn.jpl.nasa.gov 49 asteroseismology 49 altimetry 49 N. Rathnasree 49 INSAT 3D 49 Climate Experiment 49 meteorological satellites 49 Lunar Prospector 49 Credits ESA 49 VY Canis Majoris 49 Optical Microscope 49 Suzaku 49 heliospheric 49 Cartosat 49 NASA Lunar Crater 49 Mars Phobos 49 occultations 49 Mission TRMM satellite 49 ESA Huygens probe 49 CIRS 49 Proba 2 49 Explorer IBEX 49 remote sensing satellites 49 Reaches Orbit 49 Hubble Near Infrared 49 moon Mab 49 extrasolar 49 Continuity Mission LDCM 49 ultraviolet wavelengths 49 Jaxa 49 Histopathologic 49 Advanced Synthetic Aperture 49 Insat 3A 49 detect gamma rays 49 Imaging Spectroradiometer MODIS instrument 49 diffuse reflectance 49 micro meteorites 49 NASA Landsat 49 planets orbiting distant 49 extrasolar planets orbiting 49 RISAT 49 UV Visible 49 AIRS instrument 49 Paranal Chile 49 noctilucent 49 magnetospheric 49 Investigation DIXI 49 NEAR Shoemaker 49 RADARSAT 2 49 multiphoton 49 Robert Jedicke 49 P/# A2 49 Experiment Logistics 49 Cavity Ring Down 49 infrared imager 49 noctilucent clouds 49 HRTEM 49 Kepler Telescope 49 synthetic aperture radar 49 hyper spectral 49 Chang'eI 49 Fomalhaut b 49 radar altimeters 49 Rosetta spacecraft 49 Ranging spacecraft 49 drilling vessel Chikyu 49 GOES N 49 spectral measurements 49 Astrophysical 49 Calar Alto Observatory 49 probe Huygens 49 EarthCARE 49 ROCSAT 2 49 particle acceleration 49 antineutrino 49 Southern Observatory ESO 49 eclipsing binary 49 interferometric synthetic aperture radar 49 Siding Spring 49 nightglow 49 Geosynchronous 49 LOFAR 49 radiosondes 49 Multispectral 49 Observatory LDEO 49 X ray Telescope 49 HiRISE image 49 scanning electron microscope SEM 49 ChemCam 49 cosmological parameters 49 Saturn magnetosphere 49 moon Io 49 SNR #-#.# 49 Meteorological Satellite 49 interstellar dust grains 49 Microwave Limb Sounder 49 SMOS satellite 49 Hubble observations 49 Shoemaker Levy 49 SAXS 49 meter Keck telescope 49 Comet Encke 49 galactic cosmic rays 49 HIFI 49 Optical Coherence Tomography 49 exo planet 49 vegetation greenness 49 isotopic ratios 49 GRAIL 48 Solar Sail 48 Cosmic Microwave Background CMB 48 Japanese Aerospace Exploration 48 Climate Experiment SORCE 48 SIM PlanetQuest 48 Kuiper Belt Object 48 Recovery Experiment SRE 48 Agency Jaxa 48 Cat Paw Nebula 48 chlorophyll fluorescence 48 GLAST Burst Monitor 48 MUSES C 48 X ray afterglow 48 previously undescribed 48 lunar meteorites 48 galaxy redshift 48 Adaptive Optics 48 twin Voyager spacecraft 48 Saturn moon Enceladus 48 volcanic plumes 48 Krimigis 48 origami masters 48 AERONET 48 Characterization EPOCh 48 Infrared Astronomy 48 Explorer GALEX 48 Mars orbiter 48 RIKEN Advanced Science 48 lunar explorer 48 earthshine 48 astrophysical objects 48 Clementine spacecraft 48 lunar topography 48 detect gravitational waves 48 EDXRF 48 Metop 48 OGLE TR 48 XMM Newton observations 48 Dynamic Light Scattering 48 SNe Ia 48 transiting exoplanet 48 synthetic aperture 48 Spectroradiometer MODIS 48 Interferometer VLTI 48 Shackleton crater 48 brightest supernova 48 Asteroid Probe 48 Diviner instrument 48 laser altimetry 48 rover panoramic 48 ALMA antennas 48 Optical Spectroscopic 48 planemos 48 stratospheric balloon 48 STEREO mission 48 Viking Orbiter 48 crewed spacecraft 48 baryon acoustic oscillations 48 Sojourner Rover 48 GRB #A 48 Saturnian moon Titan 48 UVIS instrument 48 Submillimeter 48 INSAT satellite 48 Solar Dynamics 48 Tropospheric Emission Spectrometer 48 Main Injector Neutrino 48 Radiation Belt 48 Deep Impact probe 48 Infrared Spectrometer 48 galactic cosmic ray 48 JIMO 48 exoplanet hunter 48 HARPS spectrograph 48 Mars Descent Imager 48 spacecraft 48 Supersonic Combustion Ramjet 48 VIMOS 48 orbiting telescopes 48 Huygens Probe 48 satellite IKONOS 48 circumstellar 48 infrared spectrometer 48 ESA ESTEC 48 exobiology 48 Lunokhod 48 Imaging Spectroradiometer MODIS 48 MESSENGER MErcury Surface 48 spectral fingerprint 48 Mars landers 48 CRISM 48 Herschel telescope 48 Cosmic Background Explorer 48 subsurface ocean 48 martian meteorites 48 Solar Radiation 48 G#.# +#.# 48 SQUIDs 48 Radar ASAR 48 INSAT 4CR 48 Imaging Spectroradiometer 48 Bernard Foing 48 LCROSS mission 48 Kuiper belt objects 48 Delta Cephei 48 microwave radiometer 48 Pluto Charon 48 outer corona 48 interferogram 48 Carina constellation 48 module Kibo 48 Bose Einstein 48 NASA Cassini 48 NEAs 48 Remote Sensing Satellites 48 NIRSpec 48 Raman spectrometer 48 Digitized Sky Survey 48 satellite RISAT 48 Hyperspectral 48 Nikku Madhusudhan 48 Heliospheric Observatory 48 Synthetic Aperture 48 Doppler measurements 48 Gamma ray burst 48 Beidou satellite 48 gamma ray spectrometry 48 Magnetosphere 48 SN #A 48 GRACE satellites 48 planetary transits 48 Samuel Oschin Telescope 48 Satellite GOES 48 multispectral imagery 48 inelastic scattering 48 Comet Boethin 48 XMM Newton observatory 48 Earth Observation satellites 48 gamma ray detectors 48 La Silla Observatory 48 NASA Mars Odyssey 48 cryo EM 48 PSR B# +# 48 airborne observatory 48 thermal infrared 48 multibeam 48 Miniature Synthetic Aperture Radar 48 lidar instrument 48 QQ# 48 Jupiter Icy Moons Orbiter 48 weak gravitational lensing 48 meter Keck telescopes 48 Optical Telescope 48 Raman spectroscopic 48 Hayabusa probe 48 Astrophysicists 48 Cassini spacecraft 48 galaxy M# [001] 48 Focal Plane Package 48 EVLA 48 Comet Hartley 2 48 Extrasolar Planet Search 48 Quickbird 48 Exoplanets 48 QuikSCAT 48 optical coherence tomography OCT 48 AB Aurigae 48 QWIP 48 Akatsuki spacecraft 48 photon laser 48 meteoroid 48 Envisat radar 48 EPOXI 48 blazars 48 gamma ray burst GRB 48 PSLV C# rocket 48 THEMIS probes 48 Reflectometry 48 CALIPSO satellites 48 Laboratory SSRL 48 Servicing Mission 48 optical biosensor 48 Hanny Voorwerp 48 gamma spectrometry 48 TIROS 48 blackbody 48 ESO astronomer 48 Ranging MESSENGER spacecraft 48 laboratory Kibo 48 robotic explorer 48 WFPC2 48 NSPO 48 lunar orbiter 48 Beta Pictoris b 48 ARTEMIS 48 Ionosphere 47 Jean Pierre Bibring 47 crustal thickness 47 Shenzhou V spacecraft 47 photons emitted 47 fluorescence spectroscopy 47 Hubble Space telescope 47 NASA Mars Reconnaissance 47 GSLV rocket 47 radial velocity 47 Kuiper Belt Objects 47 reflectometry 47 celestial phenomena 47 SN Ia 47 thermonuclear fusion 47 COROT satellite 47 Atmospheric Infrared Sounder AIRS 47 Spitzer infrared telescope 47 Fregat upper stage 47 Spitzer Space Telescope 47 Ikaros 47 colloidal crystals 47 infrared imagery 47 ESA CryoSat 47 OMEGA instrument 47 Robotic Arm Camera 47 Mini Thermal Emission 47 Airborne Topographic Mapper 47 ESA ASI 47 asteroid collisions 47 Vehicle GSLV 47 CSIRO Parkes radio 47 intracluster 47 Murchison meteorite 47 probe Chang'e 47 extravehicular activities 47 SDSS telescope 47 hunting Kepler telescope 47 millisecond pulsar 47 cosmic phenomena