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(Click for frequent words.) 72 telescope 67 telescopes 65 Large Binocular Telescope 64 infrared telescope 64 radiotelescope 64 astronomical telescope 64 optical infrared telescope 64 ESO VLT 63 Telescope LSST 63 aperture telescope 63 Keck telescopes 63 optical telescopes 63 Keck Telescopes 63 Keck telescope 62 UKIRT 62 Herschel telescope 62 Very Large Telescope 61 particle detector 61 infrared telescopes 61 hexagonal mirrors 61 Subaru Telescope 61 X ray observatory 61 Steward Observatory 61 refracting telescope 60 Keck Telescope 60 E ELT 60 Mauna Kea Hawaii 60 Hobby Eberly 60 Telescope 60 Cerro Paranal 60 observatory 60 Subaru telescope 59 adaptive optics 59 interferometer 59 WM Keck Observatory 59 robotic telescopes 59 infrared observatory 59 HiRISE camera 59 Array ALMA 59 Chajnantor plateau 59 Hobby Eberly telescope 59 telescope atop Mauna 59 neutrino telescope 59 imaging spectrometer 59 submillimetre 58 Gemini telescopes 58 Keck Observatory 58 cosmic ray observatory 58 Keck Interferometer 58 spectrographs 58 Submillimeter Array 58 ESO Very Large Telescope 58 Infrared Telescope UKIRT 58 Fermi telescope 58 photometer 58 Observatory telescope 58 JWST 58 La Silla Observatory 58 Epsilon Aurigae 57 ESO Paranal Observatory 57 Faulkes Telescope 57 VISTA telescope 57 planetary Transits 57 Atacama Large Millimeter Array 57 Interferometer VLTI 57 HARPS instrument 57 gamma ray observatory 57 Extremely Large Telescope 57 steerable radio 57 astronomical observatory 57 Large Binocular Telescope LBT 57 Pan STARRS 57 observatories 57 X ray telescopes 57 NIRSpec 57 inch Samuel Oschin 57 Convection Rotation 57 exoplanetary 57 MMT Observatory 57 HARPS spectrograph 57 neutrino detector 57 ESO telescope 56 Cerro Pachón 56 HD#b 56 orbiting telescopes 56 meter Keck telescopes 56 Herschel Space 56 inch refractor telescope 56 infrared astronomy 56 Southern Observatory ESO 56 WIYN 56 astronomical observatories 56 Large Telescope 56 TSN PZ camera 56 Spectrograph 56 ESA XMM Newton 56 submillimeter wavelengths 56 astronomical telescopes 56 Large Synoptic Survey 56 Hubble Space Telescope HST 56 Large Telescope Salt 55 Chilean Atacama Desert 55 Hobby Eberly Telescope 55 exoplanet hunter 55 LOFAR 55 Cassegrain telescope 55 interferometers 55 optical microscope 55 X ray observatories 55 Samuel Oschin Telescope 55 Infrared Telescope 55 HIRES spectrometer 55 supergiant star 55 orbiting Hubble Space Telescope 55 Gran Telescopio Canarias 55 Atacama Large Millimeter submillimeter 55 Paranal Observatory 55 particle detectors 55 Palomar Observatory 55 XMM Newton satellite 54 binocular telescope 54 inch refractor 54 submillimetre wavelengths 54 Cerro Pachon 54 RS Ophiuchi 54 ray Space Telescope 54 Pierre Auger Observatory 54 Fomalhaut b 54 LROC 54 Muchachos Observatory 54 Observatory Very 54 gaseous planet 54 astronomers 54 WISE infrared 54 ESO La Silla 54 X ray telescope 54 gamma ray detector 54 Adaptive Optics 54 COROT 54 Faint Object 54 HESS telescopes 54 Paranal 54 IceCube 54 Chajnantor 54 powerful particle accelerator 54 THEMIS satellites 54 APEX telescope 54 VLBA 54 BepiColombo 54 VLTI 54 orbiting gamma ray 53 NASA Infrared Telescope 53 DEIMOS 53 earthshine 53 telescopic camera 53 gamma ray telescope 53 Burst Alert 53 HARPS spectrograph attached 53 Adaptive optics 53 Near Infrared Camera 53 AU Mic 53 Moon Mineralogy Mapper M3 53 Gemini Observatory 53 WMAP satellite 53 Gemini Telescope 53 Lunar Reconnaissance Orbiter Camera 53 SOAR telescope 53 Large Telescope SALT 53 Thermal Emission Spectrometer 53 IBEX spacecraft 53 X ray spectrometer 53 microlensing 53 orbiting telescope 53 distant quasar 53 atop Mauna Kea 53 polarimeter 53 spiral galaxy NGC 53 AKARI 53 SuperWASP 53 NuSTAR 53 Delta Cephei 53 Planck satellite 53 Paranal Chile 52 D CIXS 52 SIRTF 52 KamLAND 52 synchrotron 52 reflector telescope 52 CSIRO Parkes radio 52 Lick Observatory 52 William Herschel Telescope 52 Arecibo telescope 52 superconducting magnet 52 cosmic cannibal 52 LSST 52 Cerro Tololo 52 XMM Newton 52 Comet Lulin 52 Arecibo Observatory 52 e MERLIN 52 Planetary Science Institute 52 twin Keck telescopes 52 Area Telescope LAT 52 WIYN Observatory 52 Cancri 52 observatory telescope 52 ROSAT 52 APXS 52 GJ #b [002] 52 Auger Observatory 52 Lovell Telescope 52 spectrometer 52 infrared wavelengths 52 barred spiral galaxy 52 interplanetary spacecraft 52 smallest exoplanet 52 CoRoT satellite 52 X ray wavelengths 52 beamline 52 Fornax cluster 52 constellation Lyra 52 Rosetta orbiter 52 Giant Magellan Telescope 52 Las Campanas Observatory 52 Free Electron Laser 52 Kitt Peak 52 celestial object 52 Galileo spacecraft 52 extrasolar planet 52 Infrared Pathfinder Satellite 52 parabolic trough 52 Anisotropy Probe WMAP 52 elliptical galaxy NGC 52 GJ#b 52 Astronomical Observatory 52 SINFONI 52 Titan ETEM 52 Cloud Aerosol Lidar 51 Observatory SDO 51 particle smasher 51 Super Kamiokande 51 Diviner instrument 51 Magnetic Imager HMI 51 Optical Gravitational Lensing Experiment 51 Spitzer Space Telescope 51 airborne observatory 51 eyepiece #/#s f/#.# 51 microshutters 51 brightest supernova 51 Long Wavelength Array 51 Interferometer 51 Arches Cluster 51 MeerKAT 51 Telescope Array 51 transmission electron microscope 51 radiometers 51 millimeter wavelength 51 constellation Centaurus 51 synchrotrons 51 Laser Interferometer Gravitational Wave 51 Triangulum Galaxy 51 Infrared Telescope Facility 51 Observatoire de Haute Provence 51 Comet Holmes 51 NASA Far Ultraviolet 51 USArray 51 Orbiter LRO 51 Canary Telescope 51 adaptive optics AO 51 bolometer 51 polarimetry 51 constellation Andromeda 51 Solar TErrestrial RElations Observatory 51 Ultraviolet Optical Telescope 51 Landsat satellite 51 tokamak 51 Siding Spring 51 Mount Stromlo Observatory 51 Magellan telescopes 51 Field Imager 51 Astrophysical Research 51 Suzaku X ray 51 X ray detector 51 Cancri e 51 meter Keck telescope 51 colliders 51 UVOT 51 Multi Object Spectrograph 51 spiral galaxy Messier 51 detect gravitational waves 51 ultraviolet spectrograph 51 Valles Marineris 51 arcminutes 51 System HESS 50 GEO# 50 Helioseismic 50 located atop Mauna 50 LORRI 50 fainter objects 50 Virgo cluster 50 Webb Telescope 50 comet Lulin 50 Roque de los 50 particle accelerator 50 HD# [002] 50 NASA MESSENGER spacecraft 50 Observatory NOAO 50 inch refracting telescope 50 Caltech Palomar Observatory 50 Cassini flyby 50 GALEX 50 Kuiper belt objects 50 astro comb 50 galaxy M# [001] 50 spectroscopic observations 50 optical microscopy 50 GLAST Burst Monitor 50 THEMIS 50 Energy Stereoscopic 50 Bug Nebula 50 infrared mapping spectrometer 50 Skynet 5C 50 Pluto Charon 50 Telescope BAT 50 Spectrometer 50 LCLS 50 spectrometers 50 Thirty Meter Telescope 50 National Optical Astronomy 50 Proxima Centauri 50 infrared wavelength 50 QuickBird 50 Observatories 50 Orbiter MRO 50 Observatory STEREO 50 Ulysses spacecraft 50 coronagraph 50 visible wavelengths 50 Anisotropy Probe 50 ATLAS detector 50 EVLA 50 Wilkinson Microwave Anisotropy Probe 50 UDFy # 50 NASA Wilkinson Microwave 50 High Resolution Imaging 50 Unit Telescopes 50 Cosmic Origins Spectrograph 50 infrared imager 50 distant galaxy 50 Helios 2B 50 powerful supercomputers 50 Small Magellanic Cloud 50 infrared spectrograph 50 geosynchronous satellites 50 Lowell Observatory 50 constellation Cassiopeia 50 Optical Telescope 50 radiometer 50 Astrosat 50 neutrino detectors 50 asteroids orbiting 50 galaxy NGC 50 Electron Microscope 50 spacecraft orbiting 50 photon counting 50 GJ #b [001] 50 Explorer WISE 50 waning gibbous 50 Sombrero Galaxy 50 Olympus Mons 50 Jodrell Bank Observatory 50 Solar Observatory 50 synchrotron radiation 50 Upsilon Andromedae b 50 ESA Herschel 50 astronomical observations 50 La Silla observatory 50 Hawaii Mauna Kea 50 BLG #Lb 50 CBERS 50 WFC3 50 Collider LHC 50 parabolic mirror 50 gamma ray telescopes 49 NIRCam 49 deformable mirrors 49 optical wavelengths 49 RY Sagittarii 49 LIGO 49 Evolution Explorer 49 Cassini Huygens 49 Kepler spacecraft 49 Planetary Transits 49 Very Large Array 49 Omega Centauri 49 Observatory astronomer 49 remote sensing satellites 49 Solar Dynamics Observatory 49 constellation Ara 49 Observatory 49 Cerro Paranal Chile 49 moon Charon 49 ATST 49 mu Arae 49 NASA STEREO 49 BLG #L 49 gravitational wave 49 Kuiper Belt Object 49 Great Observatories 49 VIRTIS instrument 49 solar concentrator 49 Syrtis Major 49 Moon Mineralogy Mapper 49 scanning electron microscope 49 ASKAP 49 slender crescent 49 CHARA 49 Reconnaissance Orbiter 49 cosmological distances 49 Kuiper Belt object 49 XTE J# 49 parabolic dish 49 Pan STARRS telescope 49 fluorescence microscope 49 Philae lander 49 Titan Saturn 49 Earth Observation satellites 49 Cygnus Lyra region 49 spacecraft Cassini 49 Relations Observatory STEREO 49 geostationary satellite 49 Arecibo radar 49 COROT exo 3b 49 Virgo Cluster 49 extrasolar planets orbiting 49 supergiant stars 49 telescopes atop Mauna 49 MPG ESO 49 SOHO spacecraft 49 exoplanet orbiting 49 gamma ray burst 49 submillimeter wavelength 49 constellation Hercules 49 National Astronomical Observatory 49 SKA telescope 49 Hawaii Telescope CFHT 49 Quadrantid meteor shower 49 Spitzer infrared 49 La Silla Chile 49 submillimeter 49 Spitzer infrared spectrograph 49 RXTE 49 orbiting observatory 49 resolution panchromatic 49 imager 49 moon Ganymede 49 Orion Nebula 49 TrES 4 49 Xenics 49 orbiting Saturn 49 Eta Carinae 49 New Horizons spacecraft 49 radial velocity technique 49 STEREO mission 49 distant quasars 49 twin Voyager spacecraft 49 X ray beams 49 superlens 49 ESA Envisat 49 Planck spacecraft 49 extrasolar 49 Crab Pulsar 49 telescopic observations 49 geo stationary orbit 49 Earth orbiting satellites 49 remote sensing satellite 49 SIM PlanetQuest 49 X ray beam 49 Milky Way Galaxy 49 volcanically active 49 Kuiper belt object 49 CALIPSO 49 multiwavelength 49 Arizona Steward Observatory 49 High Angular Resolution 49 RS Oph 49 CARTOSAT 2A 49 HiRISE camera aboard 49 SSRL 49 neutron spectrometer 49 Calar Alto Observatory 49 interferometric 49 Resolution Imaging 49 FORCAST 49 millimeter wavelengths 49 J# +# [002] 49 ultraviolet wavelengths 49 spectroscope 49 reflection nebula 49 ChemCam 49 constellation Aquarius 49 Nikon D# Kowa 49 moon Io 48 proton accelerator 48 WIYN telescope 48 Synthetic Aperture Radar 48 GLAST 48 N. Rathnasree 48 NOAO 48 Studsat 48 orbiting observatories 48 THEMIS mission 48 MG J# +# 48 ASTRON 48 Science Experiment HiRISE 48 star Proxima Centauri 48 EarthScope 48 Dobsonian telescope 48 hyperspectral imager 48 cosmic magnifying glass 48 Kepler #b 48 Ring Nebula 48 spectrograph 48 Lunar Reconnaissance Orbiter LRO 48 HD #b [002] 48 ENVISAT 48 Comet McNaught 48 Saturn Cassini 48 Jupiter Ganymede 48 radio occultation 48 Nasa spacecraft 48 orbiting Chandra 48 aberration corrected 48 Facility SIRTF 48 deformable mirror 48 astronomer 48 Betelgeuse 48 lunar crescent 48 Diviner 48 Mössbauer 48 Galilean moons 48 Nasa Kepler 48 ESA Planck 48 Observatory LIGO 48 Imaging Spectrometer 48 Advanced Photon Source 48 x ray pulses 48 waxing crescent 48 Infrared Thermal Imaging Spectrometer 48 Iapetus Saturn 48 VIRTIS 48 VLBI 48 Carnegie Observatories 48 monochromator 48 CU Boulder LASP 48 microscopy technique 48 Ritchey Chrétien 48 gamma ray spectrometer 48 Mpc 48 NASA THEMIS 48 Space Telescope 48 Upsilon Andromedae 48 constellation Cetus 48 constellation Cygnus 48 Methone 48 spectroscopic measurements 48 Newtonian telescope 48 equatorial orbit 48 Voorwerp 48 Synchrotron 48 red supergiant 48 Using ESO Very 48 moon Titan 48 UCO Lick 48 robotic lander 48 Advanced LIGO 48 galaxy M# [002] 48 gravitational microlensing 48 foreground galaxy 48 stellar occultations 48 ESA Integral 48 airglow 48 Saturnian system 48 panchromatic camera 48 V# Mon 48 astrometric 48 cyclotron 48 Viking Lander 48 starburst galaxy 48 Red Rectangle 48 X ray Observatory 48 linac 48 Gravitational lensing 48 MARSIS 48 NASA Chandra 48 smallest extrasolar planet 48 photomultiplier tubes 48 RazakSAT 48 Martian rovers 48 spectroscopic 48 Mossbauer spectrometer 48 Square Kilometer Array 48 Observatory La Silla 48 luminous galaxies 48 gravitational lenses 48 gamma ray detectors 48 Cryosat 48 Impactor 48 SIRAL 48 Large Hadron Collider LHC 48 Cerro Armazones 48 distant galaxies 48 laser altimeter 48 KIPAC 48 x ray beam 48 Climate Experiment GRACE 48 Charon Pluto 48 constellation Carina 48 Schmidt Cassegrain telescope 48 infrared spectrometers 48 amateur astronomers peering 48 NASA Gamma ray 48 Corot 7b 48 arcsecond 48 Surveys ACS 48 Geminga 48 Peony nebula star 48 NASA Great Observatories 48 asteroid Vesta 48 Frank Bertoldi 48 inch Schmidt Cassegrain 48 astronomy observatory 48 lunar orbiter 48 constellation Aquila 48 Active Galactic Nuclei 48 near infrared NIR 48 NEOSSat 48 Smos 48 SMOS 48 microlensing events 48 Nikku Madhusudhan 47 Proba 2 47 RHESSI 47 SDSS telescope 47 distant supernovae 47 X ray pulses 47 constellation Serpens 47 panoramic camera 47 scanning electron microscopes 47 Las Campanas Chile 47 Solar Optical Telescope 47 eclipsing binary 47 spacecraft 47 Lulin Observatory 47 unaided eye 47 comet Hale Bopp 47 giant elliptical galaxy 47 astrometry 47 NSOM 47 ALMA antennas 47 spacecraft orbited 47 Cassini ion 47 solar corona 47 bolometers 47 Wide Angle Search 47 Giove B 47 ESO astronomer 47 Infrared Astronomical Satellite IRAS 47 nanosatellites 47 TanDEM X 47 HiRISE 47 helium ion 47 Context Camera 47 Main Injector Neutrino 47 DISR 47 NAVSTAR 47 NASA Stratospheric Observatory 47 TerraSAR X 47 Alpha Particle 47 Cat Paw Nebula 47 Pleiades cluster 47 Cassini Huygens spacecraft 47 exoplanets orbiting 47 Arecibo radio 47 Mars Color Imager 47 quantum cascade laser 47 neutral mass spectrometer 47 rocky extrasolar planet 47 polar orbiting 47 Heliospheric Investigation 47 Kitt Peak National 47 electron accelerator 47 VB #b 47 stratospheric balloon 47 Beta Pictoris b 47 Compact Reconnaissance Imaging Spectrometer 47 Beta Pictoris 47 Io Europa 47 OSIRIS 47 ultraviolet imaging spectrograph 47 Ranging spacecraft 47 Coma Cluster 47 WISE telescope 47 WISE spacecraft 47 Collider Detector 47 HL Tau 47 Lulin 47 ESA SMART 47 Hanny Voorwerp 47 Aqua satellite 47 HD #b [001] 47 transiting planet 47 planet HD #b 47 Descent Imager Spectral Radiometer 47 infrared ultraviolet 47 KBOs 47 interferometry 47 Goonhilly 47 transmission electron microscopes 47 multiband imaging photometer 47 lunar orbiter Chang'e 47 Comet Halley 47 NASA Lunar Reconnaissance 47 Earthlike planets 47 orbit GEO 47 constellation Virgo 47 PSLV C6 47 VLT telescope 47 proto galaxies 47 geo synchronous 47 Mauna Loa Observatory 47 GOCE satellite 47 HIAPER 47 Epsilon Eridani 47 planet Uranus 47 Express orbiter 47 HiRISE image 47 gravitational lens 47 J#.# [001] 47 confocal microscope 47 transiting planets 47 X ray binary 47 NRAO 47 Comet NEAT 47 cryogenically cooled 47 geo stationary satellite 47 heliostats 47 constellation Ursa Major 47 MESSENGER spacecraft 47 CFHT 47 NAOJ 47 heavily instrumented 47 retroreflector 47 SeaWiFS 47 terahertz frequencies 47 optical interferometry 47 rover panoramic 47 Heterodyne Instrument 47 occultations 47 Stratospheric Observatory 47 sub millimeter wavelengths 47 Doppler radars 47 electron volt 47 planet orbiting 47 Comet Hartley 2 47 Effelsberg 47 Multi Object Spectrometer 47 Gravity Probe B 47 Thermal Emission Imaging 47 Crab Nebula 47 Ultraviolet Imaging Spectrograph 47 spaceborne 47 Herschel Space Telescope 47 collider 47 infrared spectrometer 47 star Gliese 47 infrared laser pulses 47 antenna reflector 47 CloudSat 47 ESA Envisat satellite 47 powerful atom smasher 47 moon Mab 47 Resourcesat 2 47 astrophotographer 47 linear Fresnel 47 retrograde orbit 47 GRB #B 47 Lunar Orbiter Laser Altimeter 46 Plate Boundary 46 Borexino 46 supernova remnant 46 cosmic microwave radiation 46 TrES 46 Source LCLS 46 Manchester Jodrell Bank 46 constellation Taurus 46 Veil Nebula 46 celestial objects 46 celestial sphere 46 Raman spectrometer 46 hyperspectral 46 Hubble Space Telescope 46 protoplanet 46 Space Physics 46 WASP #b 46 Andromeda Galaxy 46 CARTOSAT 46 parabolic antennas 46 constellation Sagittarius 46 Wilkinson Microwave Probe 46 aberration correctors 46 HAMSAT 46 zodiacal light 46 GROND 46 fluorescence detector 46 Kepler telescope 46 spacecraft Chandrayaan 1 46 Doradus 46 Starfire Optical Range 46 OGLE TR 46 astronomical objects 46 Mars moon Phobos 46 Andromeda galaxy 46 Infrared Camera 46 GRB # 46 Cassini orbiter 46 INSAT 3D 46 HM Cancri 46 SN #gy 46 highly elliptical orbit 46 THEMIS spacecraft 46 Comet #P 46 gradiometer 46 Rosette Nebula 46 HUDF 46 robotic rover 46 Francis Halzen 46 orbiter Cassini 46 Astronomy Observatory 46 Fresnel lenses 46 GOCE 46 Voyager spacecraft 46 Einstein theory 46 pressurized module 46 Source synchrotron 46 JDEM 46 onboard Chandrayaan 46 photovoltaic PV solar panels 46 ion microprobe 46 Sojourner rover 46 Space Telescope GLAST 46 Herschel SPIRE 46 infrared 46 Saturnian moon 46 celestial fireworks 46 star Fomalhaut 46 Tarantula Nebula 46 GRB# 46 SDSS II 46 planetary astronomer 46 Kepler Telescope 46 cluster NGC 46 COROT 7b 46 Hubble observations 46 UK DMC2 46 IKONOS 46 nanosatellite 46 NASA Cassini spacecraft 46 intrinsic brightness 46 detect gamma rays 46 helium atom 46 MPIfR 46 satellite constellation 46 Planck observatory 46 exoplanet 46 moons Io 46 Saturnian moons 46 Galileo satellites 46 Webb Space Telescope 46 Sky Survey SDSS 46 constellations Cygnus 46 constellation Scorpius 46 Astronomers 46 Earth Connection Coronal 46 photometry 46 particle accelerators 46 planet orbits 46 SBSS satellite 46 wavelength infrared 46 NFIRE satellite 46 lightwaves 46 Zeta Ophiuchi 46 DIXI 46 Large Magellanic Cloud 46 visit http:/saturn.jpl.nasa.gov 46 moons Phobos 46 moons orbiting 46 orbiting 46 infrared spectral 46 NASA Fermi Gamma 46 VY Canis Majoris 46 Astrophysicists 46 Mercury flyby 46 refractor telescope 46 multispectral 46 polar orbits 46 Composite Infrared Spectrometer 46 Galileoscope 46 planets orbiting sun 46 beamlines 46 ion thrusters 46 Solar Dynamics 46 PKS #-# 46 radial velocity method 46 Io Europa Ganymede 46 Fermi LAT 46 Stephan Quintet 46 AERONET 46 Earthscope 46 super perigee moon 46 ROCSAT 2 46 auroral displays 46 Lagoon Nebula 46 SECCHI 46 solar radii 46 electron laser 46 Spacewatch 46 Galaxy Evolution 46 ESO telescopes 46 Rosetta spacecraft 46 parabolic antenna 46 Advanced Synthetic Aperture 46 linearly polarized 46 MetOp 46 scanning tunneling microscope 46 Aerosol Polarimetry Sensor 46 Jupiter moon Io 46 predawn sky 46 Planck telescope 46 tokamaks 46 Mars Reconnaissance Orbiter MRO 46 parabolic troughs 46 SELENE 46 Long Baseline Interferometry 46 Lyrids 46 telescopes astronomers 46 Meteosat 46 NASA Cosmic Background 46 Steward Observatory Mirror 46 Mastcam 46 Gliese #c 46 gamma ray radiation 46 LRO spacecraft 46 CERN LHC 46 Churyumov Gerasimenko 46 inhabitable planets 46 Eurostar E# platform 46 CTIO 46 shorter wavelengths 46 quasars 46 earth orbiting satellites 46 Giovanni Cassini 46 G#.# +#.# 46 satellites 46 inverted microscope 46 twin STEREO spacecraft 46 HCPV 46 Solar Orbiter 46 IceCube telescope 46 parabolic dishes 46 muon neutrino 46 substorms 46 UA Lunar 46 multispectral imager 46 weak gravitational lensing 45 Konacki 45 SMU LOC serializer 45 Bank Telescope GBT 45 multibeam 45 electron ion 45 CMB radiation 45 SAR Lupe 45 Opportunity rover 45 OGLE TR #b 45 exoplanets planets 45 JEOL 45 constellation Auriga 45 Sierra SunTower 45 Jupiter Icy Moons Orbiter 45 X ray emission 45 exo planets 45 Boston Micromachines 45 Space Infrared Telescope 45 innermost planet 45 ESO 45 Earthlike planet 45 scatterometer 45 Infrared Astronomy 45 attosecond