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(Click for frequent words.) 73 telescope 69 telescopes 60 Space Telescope 60 Telescope LSST 60 optical telescope 59 Observatories 59 XMM Newton 59 Astronomy 58 WM Keck Observatory 57 Very Large Telescope 57 Infrared Telescope 57 astronomers 57 optical telescopes 57 Radio Astronomy Observatory 57 Gemini telescopes 56 observatories 56 Keck Telescope 56 LOFAR 56 Keck telescope 56 steerable radio 56 radiotelescope 55 Telescopes 55 UKIRT 55 Near Infrared Camera 55 Keck telescopes 55 Mauna Kea Hawaii 55 inch Samuel Oschin 55 Arecibo Observatory 55 ESO VLT 55 observatory 54 Infrared Telescope Facility 54 NRAO 54 Astrophysics 54 X ray Telescope 54 infrared telescope 54 X ray observatories 54 NASA Chandra 54 AKARI 54 Keck Observatory 54 robotic telescopes 54 Astrophysical Research 54 Subaru telescope 54 ESO telescope 53 adaptive optics 53 Subaru Telescope 53 X ray Telescope XRT 53 VLBA 53 ESA XMM Newton 53 Interferometer 53 Observatory 53 Very Large Array 53 NASA Infrared Telescope 53 ESO La Silla 53 INTEGRAL satellite 53 Spectrograph 53 Optical Telescope 53 DEIMOS 53 Siding Spring 53 Hobby Eberly Telescope 53 Pan STARRS 52 Keck Telescopes 52 astronomy 52 ESA Planck 52 Area Telescope LAT 52 gamma ray observatory 52 X ray observatory 52 GALEX 52 X ray telescopes 52 astronomer 52 Gemini Observatory 52 Observatory telescope 52 submillimetre 52 Infrared Telescope UKIRT 52 La Silla Observatory 52 Burst Alert 52 Extragalactic 52 Submillimeter Array 52 Fermi telescope 52 CSIRO Parkes radio 52 Fermi Gamma ray 52 Field Imager 52 microlensing 52 ESO Very Large Telescope 51 Hubble Space Telescope 51 WIYN 51 NOAO 51 Cerro Paranal 51 STScI 51 Observatory Very 51 Multi Object Spectrograph 51 Spitzer Space Telescope 51 Las Campanas Observatory 51 VISTA telescope 51 Palomar Observatory 51 RHESSI 51 amateur astronomers 51 Telescope BAT 51 Herschel Space 51 LIGO 51 aperture telescope 51 Paranal Chile 51 Adaptive Optics 51 telescope atop Mauna 51 Southern Observatory ESO 50 astrophotographer 50 WIYN Observatory 50 COROT 50 HiRISE 50 NASA Far Ultraviolet 50 Gemini Telescope 50 orbiting Chandra 50 Multi Object Spectrometer 50 RXTE 50 MMT Observatory 50 Anisotropy Probe WMAP 50 William Herschel Telescope 50 Muchachos Observatory 50 Fermi Large 50 Faulkes Telescope 50 Explorer WISE 50 UVOT 50 inch refractor telescope 50 Observatory SDO 50 spectrometer 50 gamma ray bursts 50 amateur astronomer 49 Herschel telescope 49 Solar Observatory 49 infrared astronomy 49 Large Binocular Telescope 49 imaging spectrometer 49 Exoplanet 49 Bank Telescope GBT 49 Lowell Observatory 49 Digitized Sky Survey 49 gamma ray burst 49 Solar TErrestrial RElations Observatory 49 Submillimeter 49 infrared observatory 49 Solar Dynamics Observatory 49 Long Wavelength Array 49 Hubble 49 infrared telescopes 49 LROC 49 Space Telescope GLAST 49 TSN PZ camera 49 Atacama Large Millimeter Array 49 APEX telescope 49 orbiting Hubble Space Telescope 49 Space Telescope Science 49 Arecibo telescope 49 ROSAT 49 XMM Newton satellite 49 Hinode 49 Astronomers 49 Observatory NOAO 49 inch Schmidt Cassegrain 49 Convection Rotation 49 Gamma ray Burst 49 Jodrell Bank Observatory 49 Astrophysics MOA 48 Space Telescopes 48 atop Mauna Kea 48 Exoplanets 48 HiRISE camera aboard 48 Cerro Tololo 48 Lick Observatory 48 distant galaxies 48 Cerro Pachón 48 Cerro Pachon 48 Planck satellite 48 VIRTIS 48 Galaxy Evolution 48 Comet Holmes 48 Ultraviolet Optical Telescope 48 JCMT 48 Imaging Spectrometer 48 Astronomical Observatory 48 Andromeda Galaxy 48 planetary Transits 48 UA Steward Observatory 48 Astronomer 48 e MERLIN 48 orbiting telescope 48 astronomical telescope 48 Hubble Space Telescope HST 48 NASA Wilkinson Microwave 48 JWST 48 infrared wavelengths 48 ESO telescopes 48 submillimetre wavelengths 48 Telescope Array 48 Relations Observatory STEREO 48 Las Cumbres Observatory 48 Evolution Explorer 48 solar corona 48 SDSS telescope 48 telescopic observations 48 Kitt Peak 48 Arecibo radio 48 spectroscopic observations 48 astronomy observatory 48 Astrophysicists 48 Compact Array 48 HARPS spectrograph attached 48 Lunar Reconnaissance Orbiter LRO 48 Steward Observatory 48 Solar System 48 Anisotropy Probe 48 Gamma ray 48 e VLBI 48 ray Space Telescope 47 Wilkinson Microwave Anisotropy Probe 47 astrometry 47 HARPS spectrograph 47 meter Keck telescopes 47 Great Observatories 47 Infrared Camera 47 Wide Angle Search 47 Hobby Eberly telescope 47 GLAST Burst Monitor 47 distant quasars 47 La Silla Chile 47 submillimeter wavelengths 47 Pan STARRS telescope 47 Hobby Eberly 47 Andromeda galaxy 47 Gamma Ray 47 Large Telescope 47 ATST 47 Spacewatch 47 interferometer 47 Laser Interferometer Gravitational Wave 47 spectrograph 47 HiRISE camera 47 CTIO 47 Planck 47 Keck Interferometer 47 distant galaxy 47 StarDate 47 Optical Gravitational Lensing Experiment 47 Hubble Near Infrared 47 astronomical telescopes 47 astronomical observatories 47 RAS Observatory 47 Hubble telescope 47 Observatory STEREO 47 refracting telescope 47 CFHT 47 WISE infrared 47 Chilean Atacama Desert 47 Orion Nebula 47 LSST 47 Thirty Meter Telescope 47 Extremely Large Telescope 47 NASA STEREO 47 IceCube 47 WMAP satellite 47 National Optical Astronomy 47 Comet Lulin 47 Long Baseline Array 47 gamma ray telescope 47 Hawaii Telescope CFHT 47 VIMOS 47 quasars 47 Hubble Space 47 Epsilon Aurigae 47 Large Synoptic Survey 47 Astrophysical 47 X ray Observatory 47 SeaWiFS 47 National Astronomical Observatory 47 Sky Survey SDSS 47 Faint Object 46 SpaceWeather.com 46 photometer 46 Cosmic Background Explorer 46 ESA SMART 46 Thermal Emission 46 ESA Integral 46 Extrasolar Planets 46 GRB #B 46 Nasa spacecraft 46 ESA Herschel 46 Kepler Mission 46 distant quasar 46 E ELT 46 Nasa Kepler 46 Reflection Radiometer 46 SuperWASP 46 Field Imager WFI 46 NASA Kepler 46 astrophysicists 46 Large Binocular Telescope LBT 46 WFC3 46 orbiting telescopes 46 Ritchey Chrétien 46 reflector telescope 46 LORRI 46 WISE telescope 46 astronomical observations 46 planetary astronomer 46 Hubble Telescope 46 Orion Telescopes 46 refurbished Hubble Space 46 Manchester Jodrell Bank 46 NASA Gamma ray 46 Amateur Astronomers 46 Field Infrared Survey 46 STIS 46 eyepiece #/#s f/#.# 46 Lunar Reconnaissance Orbiter Camera 46 infrared spectrograph 46 polarimetry 46 NASA Cassini 46 waning gibbous 46 Suzaku X ray 46 Triangulum Galaxy 46 Array ALMA 46 ESA Envisat 46 RS Ophiuchi 46 Imaging Spectrograph 46 polarimeter 46 Planetary Science Institute 46 fainter objects 46 spectrographs 46 ESO Paranal Observatory 46 Spitzer infrared spectrograph 46 Large Array 46 supergiant star 45 CoRoT satellite 45 Dennis Mammana 45 MPG ESO 45 orbiting gamma ray 45 radiometers 45 VLBI 45 Planetary Transits 45 Paranal 45 submillimeter wavelength 45 La Silla observatory 45 Pancam 45 Geostationary 45 astronomical objects 45 occultations 45 STEREO mission 45 HUDF 45 auroras 45 Chajnantor plateau 45 Veil Nebula 45 Ring Nebula 45 ultraviolet spectrograph 45 Carnegie Observatories 45 infrared imager 45 Surveys ACS 45 Long Baseline Interferometry 45 Context Camera 45 Antenna LISA 45 spacecraft Cassini 45 THEMIS 45 hyperspectral 45 Cosmic Evolution 45 Gravitational lensing 45 Galileo spacecraft 45 BepiColombo 45 Mission SRTM 45 IYA# 45 Cassini Image 45 distant supernovae 45 aurora 45 La Silla 45 SINFONI 45 earthshine 45 gravitational lensing 45 Astrophysicist 45 slender crescent 45 interferometry 45 Solar Orbiter 45 Cosmic Origins Spectrograph 45 SOHO spacecraft 45 NASA Great Observatories 45 Thermal Emission Spectrometer 45 Interferometer VLTI 45 Ikonos 45 Space Infrared Telescope 45 Comet #P/Holmes 45 Mauna Kea 45 Spitzer Infrared Array 45 Samuel Oschin Telescope 45 Moon Mineralogy Mapper M3 45 Kepler spacecraft 45 Nikon D# Kowa 45 SOAR telescope 45 Moon Mineralogy Mapper 45 gamma ray telescopes 45 HARPS instrument 45 Arizona Steward Observatory 45 CALIPSO 45 galaxy M# [002] 45 exoplanetary 45 observatory telescope 45 IR wavelengths 45 redshift 45 NuSTAR 45 Observatory astronomer 45 coronagraph 45 Webb Telescope 45 stargazer 45 Schmidt Cassegrain 45 NASA ESA Hubble 45 celestial objects 45 Atacama Large Millimeter submillimeter 45 Solar Terrestrial Relations 45 GRB# 45 PlanetQuest 45 Spitzer infrared 45 Oscillations 44 spectroscopic measurements 44 brightest supernova 44 visible wavelengths 44 retroreflector 44 Fomalhaut b 44 Planck telescope 44 cosmic ray 44 Spaceguard 44 2MASS 44 hexagonal mirrors 44 Hawaii Mauna Kea 44 Cosmic Background Explorer COBE 44 Swift Burst 44 optical infrared telescope 44 Spitzer Space Telescopes 44 HiRISE image 44 Rosetta spacecraft 44 Swift Ultraviolet Optical 44 Caltech Palomar Observatory 44 Cassini Huygens 44 Voorwerp 44 Landsat satellite 44 particle detector 44 Fermi LAT 44 NASAs 44 Refractor 44 NASA JPL Caltech 44 Canary Telescope 44 Great Observatories Origins 44 astrophysical phenomena 44 Ulysses spacecraft 44 AAVSO 44 UCO Lick 44 synchrotron 44 Astronomers Find 44 Active Galactic Nuclei 44 spiral galaxy NGC 44 XMM Newton X ray 44 Mars Orbiter 44 Astrosat 44 GMRT 44 X ray telescope 44 astronomical observatory 44 celestial observations 44 bolometer 44 interferometers 44 Synthetic Aperture Radar 44 Earth Asteroid 44 EVLA 44 WFPC2 44 nightglow 44 APXS 44 Kitt Peak National 44 gravitational wave 44 X ray wavelengths 44 Helios 2B 44 SN #A 44 Comet Hartley 2 44 Fundamental Physics 44 SkyCenter 44 SECCHI 44 FORCAST 44 NASA Cassini spacecraft 44 Observatory La Silla 44 Cassini flyby 44 millisecond pulsar 44 Cassini 44 rocky extrasolar planet 44 Infrared Array Camera 44 XMM Newton observatory 44 CfA 44 Amateur astronomers 44 arcminutes 44 STEREO spacecraft 44 GRB # 44 CloudSat 44 Interferometry 44 gamma ray detector 44 Lunar Orbiter 44 Lovell Telescope 44 inch refractor 44 Advanced Spaceborne Thermal Emission 44 Orbiter LRO 44 detect gravitational waves 44 Cygnus Lyra region 44 LINEAR 44 Energy Stereoscopic 44 extrasolar planets 44 Infrared Thermal Imaging Spectrometer 44 SPIRE 44 Microlensing Observations 44 ASTRON 44 SIRTF 44 Stargazing Live 44 Imaging Experiment AMIE 44 gravitational lens 44 Dobsonian telescope 44 TerraSAR X 44 millimeter wavelengths 44 meter Keck telescope 44 Cerro Armazones 44 microlensing events 44 Galilean moons 44 Quadrantid meteor shower 44 European Extremely Large 44 GigaPan 44 SDSS II 44 Herschel SPIRE 44 HIRES spectrometer 44 inch refracting telescope 44 foreground galaxy 44 NASA THEMIS 44 beamline 43 C1XS 43 NASA Mars Odyssey 43 Descent Imager Spectral Radiometer 43 D CIXS 43 Space Agency 43 Antennae 43 Crab Nebula 43 X ray afterglow 43 constellation Centaurus 43 Paranal Observatory 43 Extrasolar Planet 43 NASA Fermi Gamma 43 Boston Micromachines 43 Adaptive optics 43 Lyot 43 field Infrared Survey 43 radio occultation 43 KAGUYA 43 Mars Reconnaissance Orbiter 43 skywatchers 43 Extraterrestrial Physics 43 Geminga 43 KH #D 43 NIRSpec 43 Solar Optical Telescope 43 Bug Nebula 43 Hanny Voorwerp 43 Solar Dynamics 43 galaxy cluster 43 Earthshine 43 interferometric observations 43 Ultraviolet Imaging Spectrograph 43 radial velocity 43 Cassini Huygens spacecraft 43 spectroscopic 43 NASA Interstellar Boundary 43 stellar occultations 43 Perseid meteor shower 43 eclipsing binary 43 Extreme Ultraviolet Imaging Spectrometer 43 Astronomers Discover 43 THEMIS Image 43 Heliospheric Observatory SOHO 43 Global Surveyor spacecraft 43 exo planets 43 skywatching 43 Herschel 43 Observatory LIGO 43 Mount Stromlo Observatory 43 orbiter Mars Odyssey 43 MicroFUN 43 JDEM 43 Slooh 43 telescopes atop Mauna 43 SIM PlanetQuest 43 barred spiral galaxy 43 de Pater 43 Cloud Aerosol Lidar 43 Effelsberg 43 MARSIS 43 Image NASA JPL 43 Composite Infrared Spectrometer 43 orbiting observatories 43 astrometric 43 Lagoon Nebula 43 Ball Aerospace 43 Astronomy Observatory 43 Helix Nebula 43 VIRTIS instrument 43 Galactic Plane 43 Spectroscopic Explorer 43 Cat Paw Nebula 43 Mars Reconnaissance Orbiter MRO 43 neutrino detector 43 SPIRE instrument 43 exoplanet orbiting 43 Rosette Nebula 43 Omega Centauri 43 Sombrero Galaxy 43 ASKAP 43 supernova remnant 43 Submillimeter Array SMA 43 Infrared Astronomical Satellite 43 NIRCam 43 WMAP 43 cosmological distances 43 X ray emission 43 multispectral 43 spacecraft orbiting 43 Fermi Telescope 43 Square Kilometer Array 43 Flyby 43 OGLE TR #b 43 polarimetric 43 Alpha Particle 43 PASADENA Calif. Astronomers 43 Heterodyne Instrument 43 solar flares 43 Dynamics Observatory 43 NASA Goddard 43 infrared ultraviolet 43 Infrared Astronomical Satellite IRAS 43 Reflection Radiometer ASTER 43 IBEX spacecraft 43 Cassini Orbiter 43 rover panoramic 43 Japan NAOJ 43 gravitational lenses 43 GRBs 43 Very Energetic Radiation 43 Laser Interferometer Space 43 Meade mySKY 43 Armagh Observatory 43 inhabitable planets 42 Hubble observations 42 Pierre Auger Observatory 42 Hinode spacecraft 42 ENVISAT 42 Gran Telescopio Canarias 42 KBOs 42 TU# [002] 42 visit http:/saturn.jpl.nasa.gov 42 Arecibo radar 42 NOAA GOES 42 NEOWISE 42 Spectroscopy 42 Gamma ray Large 42 Mars Color Imager 42 galaxy M# [001] 42 infrared wavelength 42 Kitt Peak Observatory 42 celestial object 42 Proxima Centauri 42 spiral galaxy Messier 42 KIPAC 42 Chamberlin Observatory 42 extrasolar 42 Spaceweather.com 42 VLTI 42 constellations Cygnus 42 Facility SIRTF 42 Infrared Pathfinder Satellite 42 velocity Planet Searcher 42 pulsar 42 Spectrometers 42 mu Arae 42 Dan Buhl Planetarium 42 planetary scientist 42 Herschel Space Telescope 42 Dave Reneke 42 Hale Bopp 42 Upsilon Andromedae 42 Cassegrain telescope 42 HD# [002] 42 Saturn Cassini 42 Heliospheric Investigation 42 noctilucent clouds 42 ESO 42 Mössbauer 42 QuickBird 42 Helix nebula 42 Delta Cephei 42 elliptical galaxy NGC 42 Orionids 42 NASA Moon Mineralogy 42 gravitational perturbations 42 Io Europa 42 NRAO AUI NSF 42 laser altimeter 42 bolometers 42 WISE spacecraft 42 panchromatic 42 LCLS 42 NASA Landsat 42 Mars Orbiter Camera 42 Panoramic Survey 42 spectroscopy 42 gamma ray burst GRB 42 Mars CRISM 42 twin STEREO spacecraft 42 UA Lunar 42 Infrared Imaging 42 Interferometric 42 orbiting Saturn 42 extragalactic 42 Mid Infrared 42 Advanced Camera 42 Image Sensors 42 Radioastronomy 42 Super Earths 42 Cometary 42 STEREO 42 pulsars 42 planets orbiting sun 42 Bryan Gaensler 42 constellation Ursa Major 42 Cerro Tololo Inter 42 AU Mic 42 seismometers 42 Earth orbiting satellites 42 HD#b 42 gamma ray flares 42 Gravity Probe B 42 photometry 42 Meteor Showers 42 NICMOS 42 QWIP 42 CRISM 42 journal Icarus 42 Diviner 42 Lick Carnegie Exoplanet 42 Coma Cluster 42 constellation Cassiopeia 42 spectral characteristics 42 airglow 42 galaxies 42 SMOS 42 multiband imaging photometer 42 sub millimeter wavelengths 42 THEMIS satellites 42 located atop Mauna 42 comet Hale Bopp 42 Dumbbell Nebula 42 High Angular Resolution 42 Rolf Kudritzki 42 SMOS Soil Moisture 42 infrared 42 cosmic microwave radiation 42 novae 42 CHARA 42 Jodrell Bank observatory 42 spectrographic 42 ASCAT 42 Orbiter MRO 42 NASA twin STEREO 42 Pleiades 42 unaided eye 42 orbiting Hubble telescope 42 Helioseismic 42 Edwin Hubble 42 Infrared telescopes 42 Habitable Planets 42 LCROSS Observation Campaign 42 gamma ray 42 extrasolar planetary systems 42 Cassini ultraviolet 42 exoplanet hunter 42 Remote Sensing Satellite 42 Hubble Ultra 42 constellation Cetus 42 Peter Capak 42 Spectroscopic 42 spatial resolution 42 Planck spacecraft 42 X ray spectrometer 42 Whipple Observatory 42 Near Infrared 42 Microlensing 42 Olympus Mons 42 ESA Envisat satellite 42 Ionosphere Sounding 42 Observation Satellite 42 Europa Orbiter 42 Synchrotron 42 Harlow Shapley 42 aurorae 42 planetary nebulas 42 ASTER 42 TanDEM X 42 Kepler Telescope 42 Ray Spectrometer 42 Comet NEAT 42 MARSIS radar 42 Red Rectangle 42 Spectrometer 42 SDSS III 42 Dobsonian 42 Saturn rings 42 Crab Pulsar 42 Dalcanton 42 Infrared Survey Telescope 42 Hubble Captures 42 Lulin Observatory 42 ionospheric 42 interferometric 42 sun corona 42 Chandra X ray 42 ChemCam 42 Horizons spacecraft 42 Planetary Lab 42 astrophysics 42 starburst galaxy 42 Moderate Resolution Imaging 42 Mastcam 42 Imaging Telescope Array 42 microscopy technique 42 Planetary Laboratory 41 HESS telescopes 41 TrES 4 41 Magellan telescopes 41 starshade 41 moon Ganymede 41 Geoscience Laser Altimeter 41 High Accuracy Radial 41 Resolution Imaging 41 infrared spectral 41 moon Io 41 quasar 41 Aqua satellite 41 ESO PR 41 Planetary Scientist 41 Huygens 41 spacecraft 41 Velocity Planet Searcher 41 reflection nebula 41 Advanced Microwave Scanning 41 Celestron SkyScout 41 luminous galaxies 41 astrophotography 41 Habitable Worlds 41 optical interferometry 41 MESSENGER 41 Horsehead Nebula 41 Sunspots 41 AMIE camera 41 NASA Cosmic Background 41 Space Physics 41 NASA GSFC 41 extrasolar planet 41 IKONOS Satellite 41 Lunar Laser Ranging 41 Auger Observatory 41 gamma ray spectrometer 41 Free Electron Laser 41 Magnetospheric 41 Hinode satellite 41 Astrophysical Institute 41 NAOJ 41 orbiting 41 Saturn Moons 41 Deep Field HUDF 41 spectro 41 ultraviolet 41 Kuiper belt object 41 Nousek 41 supernova 41 panoramic camera 41 HRSC 41 planets orbiting 41 Voyager spacecraft 41 optical wavelengths 41 galaxy NGC 41 gaseous planet 41 Comet McNaught 41 Pleiades cluster 41 Mount Lemmon SkyCenter 41 Jodrell Bank 41 FUV 41 weak gravitational lensing 41 Meteor Shower 41 retrograde orbit 41 GROND 41 NASA MODIS 41 BLG #Lb 41 colliding galaxies 41 KamLAND 41 Ultrafast 41 cosmic cannibal 41 Spectroradiometer 41 probe Huygens 41 OGLE 41 shorter wavelengths 41 ESA Cluster 41 distant galaxy clusters 41 Comet Hale Bopp 41 SKA telescope 41 Express orbiter 41 Electron Microscope 41 Cassini Imaging 41 Herschel Planck 41 Earthlike planets 41 cosmic ray observatory 41 orbiter Cassini 41 Hubble Space Telescopes 41 XMM Newton observations 41 Mars Descent Imager 41 SMEX 41 constellation Lyra 41 Giant Magellan Telescope 41 LRO 41 Mauna Loa Observatory 41 Earthscope 41 gamma ray detecting 41 interplanetary spacecraft 41 V# Mon 41 J#.# [001] 41 Explorer GALEX 41 DEEP2 41 radial velocity technique 41 NASA Spacecraft 41 infrared spectra 41 Astrobiology Institute 41 Diffraction 41 NASA Stratospheric Observatory 41 Neutron Spectrometer 41 constellation Aquarius 41 Global Surveyor 41 Mimas 41 galaxy clusters 41 Cepheid variables 41 Focal Plane 41 G#.# +#.# 41 Heliophysics 41 Energy Solar Spectroscopic 41 CCLRC Rutherford Appleton 41 Mini SAR 41 microscopic imager 41 Laser Ranging 41 X ray Spectrometer 41 Planetology 41 airborne observatory 41 Rosetta orbiter 41 Ocean Salinity SMOS 41 IRAS 41 gravitational microlensing 41 filamentary structure 41 Magnetosphere 41 Lyman alpha 41 Solar Array 41 telescope observatories 41 planet orbiting 41 Robotic Exploration 41 Neutral Mass Spectrometer 41 SWIFT J#.# 41 Infrared Mapping Spectrometer 41 supernova SN 41 VLT telescope 41 exoplanet 41 X ray Timing 41 constellation Hercules 41 Schmidt Cassegrain telescope 41 Photometric Imaging Receiver 41 MPIfR 41 GLAST 41 Viking Lander 41 GOSAT 41 exalted Hubble Space 41 globular cluster M# 41 resolution panchromatic 41 infrared camera 41 Electron Microscopy 41 Astrophysical Journal 41 infrared spectrometer 41 Perseid Meteor Shower 41 Mars Pathfinder 41 ultrahigh resolution 41 Distance Measurement 41 satellites 41 Katzman Automatic 41 CoRoT 41 EarthCARE 41 TMT Observatory 41 Mossbauer 40 RS Oph 40 twin Keck telescopes 40 revolutionized astronomy 40 journal Astronomy 40 infrared interferometry 40 SPACE.com 40 European Synchrotron Radiation