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(Click for frequent words.) 61 Space Telescope Imaging Spectrograph 59 STIS 59 XMM Newton 58 spectrograph 58 Near Infrared Camera 57 Multi Object Spectrometer 55 ESA XMM Newton 55 High Resolution Imaging 55 Hubble Space Telescope 55 Space Telescope 54 Surveys ACS 54 Hubble Space Telescope HST 54 photometer 54 orbiting Hubble Space Telescope 54 GALEX 54 Infrared Array Camera 54 ESO VLT 54 Field Imager 54 WFPC2 54 imaging spectrograph 54 Cosmic Origins Spectrograph 54 Mars Orbiter 53 Field Planetary Camera 53 WFC3 53 NICMOS 53 Planetary Camera 2 53 Interferometer VLTI 53 HRSC 53 Orbiter MRO 53 WISE infrared 53 gamma ray observatory 52 Cassini orbiter 52 Spectrograph 52 spectrometer 52 Multi Object Spectrograph 52 orbiting telescope 52 Very Large Telescope 52 AKARI 52 NASA ESA Hubble 52 interferometric 52 Resolution Imaging 52 Hubble 52 Global Surveyor 52 millimeter wavelengths 52 Mars Reconnaissance Orbiter 52 Galaxy Evolution 51 adaptive optics 51 submillimetre 51 Burst Alert 51 Keck Interferometer 51 Telescope BAT 51 coronagraph 51 X ray telescope 51 orbiting observatory 51 Adaptive Optics 51 Rosetta orbiter 51 fainter objects 51 Hubble telescope 51 ESO Very Large Telescope 50 Cosmic Origins Spectrograph COS 50 VLTI 50 orbiting Mars 50 Explorer WISE 50 STEREO spacecraft 50 SINFONI 50 GOCE 50 Mars Reconnaissance Orbiter MRO 50 interferometry 50 Pancam 50 Hubble Telescope 50 spectrographic 50 confocal microscope 50 HiRISE camera 49 X ray telescopes 49 Descent Imager Spectral Radiometer 49 Relations Observatory STEREO 49 ROSAT 49 Solar TErrestrial RElations Observatory 49 RXTE 49 Hubble gyroscopes 49 orbiting Hubble telescope 49 NASA Cassini spacecraft 49 Axial Replacement 49 WM Keck Observatory 49 Submillimeter 49 ESA Herschel 49 SDSS II 49 VIRTIS 49 Lunar Orbiter 49 telescope 49 Subaru Telescope 48 retroreflector 48 Corrective Optics Space Telescope 48 Adaptive optics 48 Science Experiment HiRISE 48 orbiting observatories 48 SIRAL 48 JWST 48 Butterfly Nebula 48 Mars Color Imager 48 CCD camera 48 Deep Field HUDF 48 planetary Transits 48 Mars CRISM 48 Planck satellite 48 MPG ESO 48 Suzaku X ray 48 ray Space Telescope 48 Mars Global Surveyor 48 orbiting Chandra 48 celestial observations 48 Infrared Mapping Spectrometer VIMS 48 Evolution Explorer 48 Earth orbiting satellites 48 Imaging Spectrograph 48 pointings 48 spectroscopic 48 stellar occultation 48 SOHO spacecraft 48 Compact Reconnaissance Imaging Spectrometer 48 spectroscopic observations 48 Lunar Reconnaissance Orbiter Camera 48 gradiometer 48 LROC 48 panchromatic 48 Envisat Advanced Synthetic Aperture 48 Nasa spacecraft 47 spiral galaxy NGC 47 Context Camera 47 Heterodyne Instrument 47 gravitational lens 47 gamma ray spectrometer 47 ESA Rosetta 47 Spitzer infrared spectrograph 47 revolutionized astronomy 47 VLBA 47 NuSTAR 47 Moderate Resolution Imaging 47 Extragalactic 47 NIRSpec 47 NASA Stardust spacecraft 47 distant quasars 47 Narrow Angle 47 NASA Wilkinson Microwave 47 COROT 47 Anisotropy Probe WMAP 47 backscattered 47 Keck Telescope 47 Guidance Sensor 47 radiometers 47 ESA Planck 47 Advanced Microwave Scanning 47 X ray observatories 47 infrared wavelengths 47 Servicing Mission 47 HARPS spectrograph attached 47 laser altimeter 47 TSN PZ camera 47 scanning electron microscopes 47 Resolution Stereo Camera 47 ESA ERS 47 THEMIS 47 Planetary Fourier Spectrometer PFS 47 ESO PR 47 multiwavelength 47 ultraviolet imaging spectrograph 47 DISR 47 APXS 47 Earth magnetotail 47 Ultraviolet Optical Telescope 47 Alpha Particle 47 RHESSI 47 La Silla Chile 47 Planck telescope 47 Thermal Emission Imaging 47 NASA Mars Reconnaissance 47 spectrographs 47 panoramic camera 47 NIRCam 47 microscopic imager 47 VIMOS 47 Faint Object 47 Veil Nebula 46 RS Ophiuchi 46 infrared telescopes 46 OSIRIS 46 THEMIS Images 46 Reconnaissance Orbiter 46 Imaging Spectrometer 46 HARPS spectrograph 46 UVOT 46 NASA twin STEREO 46 ChemCam 46 multiband imaging photometer 46 Keck telescopes 46 Helioseismic 46 Cosmic Background Explorer 46 flyby spacecraft 46 Planetary Transits 46 Composite Infrared Spectrometer 46 Cloud Aerosol Lidar 46 Comet Holmes 46 inch Samuel Oschin 46 spectroscope 46 Submillimeter Array 46 spacecraft orbiting 46 Lunar Reconnaissance Orbiter LRO 46 orbiting gamma ray 46 CCDs 46 Nikon D# Kowa 46 Hubble Near Infrared 46 microlensing events 46 Satellites GOES 46 Spectrometers 46 Magnetic Imager HMI 46 OBSS 46 elliptical galaxy NGC 46 GIOVE B 46 THEMIS satellites 46 Hinode 46 Advanced Spaceborne Thermal Emission 46 confocal 46 NASA Hubble Space 46 infrared telescope 46 Flyby spacecraft 46 Fermi telescope 46 Spitzer infrared 46 Thermal Emission Spectrometer 46 Interferometer 46 Great Observatories Origins 46 X ray observatory 46 Rosetta spacecraft 46 infrared imager 46 LORRI 46 infrared astronomy 46 radial velocity 46 adaptive optics AO 46 NASA Solar Terrestrial 46 Spectroscopic 46 Mars Odyssey spacecraft 45 LOFAR 45 foreground galaxy 45 Wilkinson Microwave Anisotropy Probe 45 Galileo spacecraft 45 Area Telescope LAT 45 Resourcesat 2 45 Convection Rotation 45 Express orbiter 45 Observatory STEREO 45 NASA THEMIS 45 Aerosol Polarimetry Sensor 45 eyepiece #/#s f/#.# 45 barred spiral galaxy 45 Subaru telescope 45 interferometer 45 helium leak 45 Neutral Mass Spectrometer 45 GRB #B 45 Swift Ultraviolet Optical 45 NASA STEREO 45 Sojourner Rover 45 frequency comb 45 Cassini 45 interplanetary spacecraft 45 Optical Spectroscopic 45 Infrared Pathfinder Satellite 45 active galactic nuclei 45 orbital solitude 45 Reflection Radiometer 45 Magnetic Imager 45 HUDF 45 Imaging Spectroradiometer MODIS 45 ESO telescopes 45 Deep Impact eXtended Investigation 45 Mars Odyssey 45 supergiant star 45 DEEP2 45 balky bolt astronauts 45 spectroscopy 45 Ulysses spacecraft 45 Orbiter LRO 45 Infrared Remote 45 polarimetry 45 Atmospheric Infrared Sounder 45 IBEX spacecraft 45 INTEGRAL satellite 45 Viking landers 45 infrared spectrograph 45 imaging spectrometer 45 cryo electron microscope 45 spectroscopic measurements 45 Infrared Astronomical Satellite 45 Coma Cluster 45 Resolution Imaging Spectrometer 45 Observatory Very 45 Herschel Space 45 NASA Cassini 45 Resourcesat 45 orbiter 45 X ray emission 45 Mars Climate Sounder 45 TanDEM X 45 ESO Paranal Observatory 45 starboard truss 45 Keck Observatory 45 rubidium vapor 45 Mars Pathfinder 45 NASA Chandra 45 Microscopy AFM 45 periodic dimming 45 Cassini Huygens spacecraft 45 optical microscopy 45 EVLA 45 Infrared Astronomy 45 Jupiter Ganymede 45 Kepler Space Telescope 45 EPOCh 45 MESSENGER MErcury Surface 45 multibeam 45 XDS VLF EM 45 multispectral 45 autopilot disengaged 45 field Infrared Survey 45 Confocal 44 optical wavelengths 44 ESO La Silla 44 GROND 44 X ray pulses 44 microshutters 44 neutral mass spectrometer 44 Fermi LAT 44 HiRise camera 44 Observatory SDO 44 astronomical telescope 44 CRISM 44 Field Imager WFI 44 Epsilon Aurigae 44 HiRISE camera aboard 44 Moessbauer spectrometer 44 Tropical Rainfall Measuring 44 Nasa Mars Reconnaissance 44 Extrasolar Planet Observation 44 ESA Huygens probe 44 ESA SMART 44 photometry 44 Astrophysical Research 44 Muchachos Observatory 44 ESA Integral 44 HRTEM 44 Mission SRTM 44 Cryosat 44 Bug Nebula 44 astronomical objects 44 starboard SARJ 44 Extrasolar Planet Search 44 Magnetospheric 44 Spitzer Space Telescope 44 QWIP 44 NASA Interstellar Boundary 44 Hubble Space 44 Solar Terrestrial Relations 44 detector arrays 44 orbiting spacecraft 44 Envisat Medium Resolution 44 SIRTF 44 VLBI 44 Phoenix Microscopy Electrochemistry 44 Virgo Cluster 44 attosecond 44 Clementine spacecraft 44 Shuttle Radar Topography 44 NASA Great Observatories 44 HD#b 44 Solar Dynamics Observatory 44 polarizing filters 44 X ray afterglow 44 infrared ultraviolet 44 interferometers 44 Mars orbiting spacecraft 44 Exoplanet 44 NASA EPOXI mission 44 shortwave infrared 44 Ultraviolet Imaging Spectrograph 44 imager 44 galaxy NGC 44 brightfield 44 NASA Stratospheric Observatory 44 hyper spectral 44 Interstellar Boundary Explorer 44 Digitized Sky Survey 44 pulsed laser 44 Solar Optical Telescope 44 distant galaxies 44 SELENE 44 spectro 44 distant quasar 44 Mars Odyssey orbiter 44 Mars orbiter 44 Viking orbiters 44 MTSAT 1R 44 discover Fomalhaut 44 Hubble observations 44 distant supernovae 44 THEMIS Image 44 infrared wavelength 44 EDXRF 44 La Silla Observatory 44 WMAP satellite 44 galactic cosmic ray 44 stellar occultations 44 Interferometric 44 CoRoT satellite 44 Compton Gamma Ray 44 diffracted 44 radio occultation 44 Cosmic Evolution 44 XMM Newton X ray 44 Imaging Spectroradiometer MODIS instrument 44 Herschel telescope 44 IR wavelengths 44 NASA Fermi Gamma 44 Triangulum Galaxy 44 detect gravitational waves 44 MG J# +# 44 exalted Hubble Space 43 gaseous planet 43 Laser Interferometer Gravitational Wave 43 confocal microscopes 43 Far Ultraviolet Spectroscopic Explorer 43 origins spectrograph 43 Envisat satellites 43 Single Photon Emission Computed 43 Keck telescope 43 Mauna Kea Hawaii 43 noctilucent 43 Mössbauer 43 UV VIS 43 Array ALMA 43 KODAK CCD Image Sensors 43 UKIRT 43 fluorescence spectroscopy 43 RRATs 43 visible wavelengths 43 SDSS telescope 43 Pan STARRS 43 lunar crust 43 electron diffraction 43 batteries gyroscopes 43 collimators 43 Fermi Gamma ray 43 NASA Far Ultraviolet 43 Mars Orbiter Camera 43 OGLE TR #b 43 infrared 43 Enceladus flybys 43 Mars Descent Imager 43 Voyager spacecraft 43 Spectrometer 43 spectrometers 43 VISTA telescope 43 nanoindentation 43 Huygens mission 43 Curiosity rover 43 exoplanetary 43 Comet Halley 43 HARPS instrument 43 CALIPSO 43 RPCM 43 NASA Voyager spacecraft 43 Chilean Atacama Desert 43 transmission electron microscope 43 Moderate Resolution 43 Spectroscopy 43 optical telescopes 43 Hubbles 43 dimensional reconstructions 43 Shuttle Atlantis blasts 43 Hinode spacecraft 43 Comet Hartley 2 43 Cosmic Microwave Background 43 NEOWISE 43 infrared spectrometer 43 scanning electron microscope SEM 43 Chajnantor plateau 43 Mars Polar Lander 43 Heliospheric Investigation 43 shuttle aft compartment 43 NASA Lunar Reconnaissance 43 confocal microscopy 43 MERIS 43 Paranal Chile 43 SN #A 43 moon Io 43 Paranal 43 hexagonal mirrors 43 X ray spectrometer 43 photon counting 43 Resolution Instrument 43 Io Europa 43 slender crescent 43 scanning optical microscopy 43 celestial objects 43 Chandra X ray 43 astronomical observations 43 WMAP 43 RS Oph 43 SeaWiFS 43 THEMIS spacecraft 43 rovers Spirit 43 NASA Mars Odyssey 43 near infrared NIR 43 spacecraft Cassini 43 NASA MESSENGER 43 auroral emissions 43 Small Magellanic Cloud 43 WISE spacecraft 43 comet Hartley 2 43 infrared interferometry 43 faraway quasars 43 MetOp 43 P/# A2 43 Interferometry 43 Commander George Zamka 43 Photoacoustic 43 Sky Survey SDSS 43 Candor Chasma 43 MESSENGER 43 lensing galaxy 43 Multispectral 43 SSRL 43 Nasa Kepler 43 Gemini telescopes 43 fluorescence spectrometer 43 NASA Infrared Telescope 43 Great Observatories 43 Phoenix lander 43 IR LEDs 43 astrophysical phenomena 43 SMOS mission 43 wavelength infrared 43 constellation Carina 43 Aqua satellite 43 UVES 43 Upsilon Andromedae 43 Insat 3A 43 Mossbauer spectrometer 43 NASAs 43 Imaging Spectroradiometer 43 Webb Telescope 43 rover Opportunity 43 aberration correctors 43 Spectroscopic Explorer 43 occultations 43 SHARAD 43 comet nucleus 43 Spitzer Infrared Array 43 spatial resolution 43 Velocity Planet Searcher 42 Hubble Ultra 42 Greenbelt Md. manages 42 Helios 2B 42 flyby Cassini 42 optical microscope 42 SPIRE 42 airglow 42 Lunar Laser Ranging 42 LWIR 42 visit http:/saturn.jpl.nasa.gov 42 MARSIS 42 X ray microscopy 42 AVHRR 42 fluorescence microscopy 42 Trifid Nebula 42 Long Baseline Array 42 Space Infrared Telescope 42 INSAT 4CR 42 spectral characteristics 42 radiometer 42 interferograms 42 gamma ray burst 42 supernova SN 42 Shallow Radar 42 Lunar CRater Observation 42 Nuclear Spectroscopic Telescope Array 42 X ray wavelengths 42 Gravitational lensing 42 Mars Surveyor 42 telescopes 42 DEIMOS 42 Moon Mineralogy Mapper M3 42 Planck spacecraft 42 exoplanets planets 42 Femtosecond 42 Radiometric 42 Comet 9P/Tempel 1 42 Telescope 42 fluorescence microscope 42 arcminutes 42 Cassini ultraviolet 42 LCLS 42 NASA Cosmic Background 42 UV Visible 42 Type Ia supernovae 42 Omega Centauri 42 cosmological distances 42 BepiColombo 42 gamma ray detector 42 beamline 42 Ranging spacecraft 42 wavelengths 42 spacecraft 42 Synthetic Aperture 42 FORCAST 42 GRBs 42 redshift 42 Infrared Thermal Imaging Spectrometer 42 aboard ESA Envisat 42 Cosmic Microwave Background CMB 42 Magnetometer 42 confocal laser scanning 42 Palomar Observatory 42 monochromators 42 diffuse aurora 42 Starfire Optical Range 42 gravitational lensing 42 GLAST Burst Monitor 42 Hubble Servicing 42 NASA Spirit rover 42 AB Aurigae 42 Cat Paw Nebula 42 Carina constellation 42 X ray Timing 42 e MERLIN 42 photomultiplier tube 42 Mini Thermal Emission 42 Orion Nebula 42 Lunar Orbiter Laser Altimeter 42 particle analyzers 42 inertial reference 42 UVIS 42 Oceansat 42 Infrared Camera 42 DigitalGlobe WorldView 42 bolometers 42 darkfield 42 Lagoon Nebula 42 AMIE camera 42 inch refractor telescope 42 Gamma ray 42 VIRTIS instrument 42 planets Uranus 42 Helix Nebula 42 Cassini flyby 42 earthshine 42 XMM Newton satellite 42 Galactic Plane 42 Kepler Mission 42 emitted photons 42 LIGO 42 zodiacal light 42 AU Mic 42 Axio Imager 42 Geminga 42 Titan flyby 42 ATLAS detector 42 penetrating radar 42 asteroid Eros 42 Mini SAR 42 cesium vapor 42 Interior Laboratory GRAIL 42 X ray binary 42 microlensing 42 interferogram 42 Advanced Synthetic Aperture 42 sized planets orbiting 42 ion propulsion 42 X ray Telescope XRT 42 laser altimetry 42 NASA Orbiting Carbon 42 Thermal Emission 42 Microlensing 42 D CIXS 42 cryo EM 42 X ray absorption spectroscopy 42 deformable mirror 42 magnetic radiometric 42 Arecibo Observatory 42 interacting galaxies 42 submillimeter 42 thermal infrared 42 wavefront 42 ultraviolet wavelengths 42 distant galaxy 42 APEX telescope 42 Jupiter Icy Moons 42 occultation 42 Churyumov Gerasimenko 42 astrometry 42 weak gravitational lensing 42 OMEGA instrument 42 scanning tunneling microscope 42 Comet Churyumov Gerasimenko 42 Lick Carnegie Exoplanet 42 XMM Newton observatory 42 optical microscopes 42 X ray Telescope 42 colloidal crystals 42 hyperspectral imager 42 Lovell Telescope 42 LRO 42 ecliptic plane 42 Crab Pulsar 42 Comet #P/Holmes 41 Venusian surface 41 Orion nebula 41 dwarf galaxy 41 Dynamics Observatory 41 Cassini spacecraft 41 Mastcam 41 DIXI 41 astronomical telescopes 41 polarimetric 41 Solar Dynamics 41 aurorae 41 Robotic Arm Camera 41 deconvolution 41 Orbiter 41 Heliospheric Observatory SOHO 41 orbiter robotic arm 41 Stratospheric Observatory 41 NASA Spacecraft 41 Mini TES 41 parabolic mirror 41 Large Telescope 41 interferometric observations 41 telescopic camera 41 switchbox 41 splitting spectrograph 41 submillimeter wavelengths 41 Herschel Space Telescope 41 X ray Observatory 41 NSOM 41 Facility SIRTF 41 reflection nebula 41 diffract 41 UA Lunar 41 Ray Spectrometer 41 Voyager probes 41 WISE telescope 41 gamma ray flares 41 ESA Envisat satellite 41 Infrared Mapping Spectrometer 41 spectral bands 41 Red Rectangle 41 Mars landers 41 photoemission 41 faraway galaxies 41 radar altimeter 41 Tomography SPECT 41 eclipsing binaries 41 HIRES spectrometer 41 ESA Envisat 41 WIYN 41 Flyby 41 Mars Orbiter Laser Altimeter 41 Terrestrial Planet Finder 41 inch Schmidt Cassegrain 41 robotic explorer 41 Spectroradiometer 41 spacewalks astronauts 41 #P/Holmes 41 Fomalhaut b 41 CrIS 41 magnetospheric 41 KAGUYA 41 Space ENvironment GEochemistry 41 HESS telescopes 41 NASA ICESat 41 ESA Mars 41 Astrosat 41 VIS NIR 41 Huygens Probe 41 Mercury flyby 41 ultrahigh resolution 41 rover panoramic 41 ion thrusters 41 MeerKAT 41 NASA QuikScat satellite 41 Arecibo telescope 41 collimated 41 Live MOS sensor 41 Radioastronomy 41 Landsat satellite 41 SIM PlanetQuest 41 Cassini Huygens 41 Imaging Telescope Array 41 PUVA psoralen plus 41 SARJ 41 Explorer GALEX 41 located atop Mauna 41 ammonia coolant pump 41 STScI 41 shorter wavelengths 41 photometers 41 arcsecond 41 astronomers 41 twin rover Opportunity 41 Siding Spring 41 NASA Kepler 41 widefield 41 photometric 41 colorimeter 41 micromirrors 41 Titan flybys 41 Atacama Large Millimeter Array 41 Atlantis astronauts 41 ENVISAT 41 refurbished Hubble Space 41 infrared spectrometers 41 resolution panchromatic 41 Lunokhod 41 Cepheid variables 41 Cassini Imaging 41 FIB SEM 41 Anisotropy Probe 41 Andromeda galaxy 41 Ring Nebula 41 reflectorless 41 giant elliptical galaxy 41 Cassini Huygens Mission 41 INMS 41 SMOS 41 NGC #A 41 Reflection Radiometer ASTER 41 ESA GOCE 41 Gravity Probe B 41 HiRISE 41 #/#-ton truss 41 IKONOS Satellite 41 submillimetre wavelengths 41 Suite VIIRS 41 GRB# 41 laser interferometers 41 cosmonauts Fyodor Yurchikhin 41 Observatory telescope 41 redshifts 41 MARSIS radar 41 NASA Cassini orbiter 41 emission spectroscopy 41 AGNs 41 hyperspectral sensors 41 Ultraviolet Imaging Spectrograph UVIS 41 Investigation DIXI 41 Total Irradiance Monitor 41 moons Phobos 41 supernova remnant 41 Gemini Observatory 41 optical telescope 40 ESO telescope 40 irregularly shaped asteroid 40 electron multiplying 40 SuperWASP 40 transiting planet 40 NASA Lunar Crater 40 Wilkinson Microwave Probe 40 fluorescence excitation 40 steering wheel tilts 40 GEO# 40 infrared spectral 40 SPICAM 40 Globalstar constellation 40 Foton M2 40 NASA rovers 40 micromechanical 40 cosmic cannibal 40 Global Surveyor spacecraft 40 quasar 40 TrES 40 Hubble Space telescope 40 Kepler telescope 40 comet flyby 40 Kibo module 40 beam splitters 40 System HESS 40 Gamma ray Burst 40 asteroid Itokawa 40 particle detector 40 onboard Chandrayaan 40 Ocean Salinity SMOS 40 helium ion 40 SECCHI 40 Hobby Eberly Telescope 40 collinear 40 Panoramic Camera 40 cryogenic cooling 40 Comet Hartley 40 ultraviolet 40 photodetector 40 Mass Spectrometer 40 spectroscopic technique 40 ASKAP 40 TerraSAR X 40 shepherding spacecraft 40 Mid Infrared 40 SQUIDs 40 Japanese Kibo lab 40 collimator 40 ion thruster 40 Planck 40 IP Resistivity 40 infrared spectra 40 infrared observatory 40 Philae lander 40 earth orbiting satellites 40 Kuiper belt objects 40 planets orbits 40 Mars Pathfinder lander 40 F#W 40 telescopic observations 40 DigitalGlobe WorldView 2 40 geosynchronous satellites 40 gamma ray spectrometry 40 Ionosphere Sounding 40 SSMEs 40 aspherical 40 X ray spectrometers 40 Mars rover 40 Electron Microscopy 40 liquid crystal molecules 40 Atlantis robotic arm 40 Optical Gravitational Lensing Experiment 40 microlens 40 remote sensing satellite Resourcesat 40 induced fluorescence 40 Conductivity Analyzer MECA 40 spatially resolved 40 x ray scattering 40 MESSENGER spacecraft 40 ultrashort pulses 40 solar corona 40 Galilean moons 40 NASA Moon Mineralogy 40 FUV 40 Beta Pictoris b 40 colliding galaxies 40 Earth Asteroid 40 galaxy M# [002] 40 Planck observatory 40 #x magnification [002] 40 Laser Ranging 40 helium ions 40 GRB # 40 starburst galaxy 40 Hinode satellite 40 extragalactic 40 optical spectroscopy 40 gravitational lenses 40 NASA Opportunity rover 40 blazars 40 Kibo JPM JEM Pressurized 40 Jovian moons 40 Viking Orbiter 40 optical interferometry 40 Comet Lulin 40 Spitzer Space Telescopes 40 Polar Lander 40 optical spectrum analyzer 40 HiRISE image 40 Ariane launcher 40 FTIR spectroscopy 40 detect gamma rays 40 Elektron oxygen generation 40 thermal emission spectrometer 40 urine recycler 40 Raman spectroscopy 40 hyperspectral 40 SNfactory 40 gravitationally lensed 40 Near Infrared 40 specialists Scott Parazynski 40 lunar orbiter Chandrayaan 40 transiting exoplanets 40 INSAT 4B 40 KBOs 40 FT IR 40 Geostationary Operational Environmental 40 ESOC 40 angle resolved photoemission 40 planets orbiting 40 flyby 40 Lick Observatory 40 galaxy redshift 40 situ measurements 40 intracluster 40 astrophysical 40 New Horizons spacecraft 40 Nasa Mars Odyssey 40 mu Arae 40 afterglows