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(Click for frequent words.) 69 radial velocity 66 microlensing 66 gravitational lenses 66 ESO VLT 66 gravitational microlensing 66 planetary Transits 65 eclipsing binary 65 exoplanetary 64 radial velocity method 64 radial velocity technique 64 cosmological distances 64 Cepheids 63 occultations 63 asteroseismology 63 APXS 63 X ray observatory 63 XMM Newton 63 Kuiper belt objects 63 polarimetry 62 optical interferometry 62 radio occultation 62 astrometric 62 microlensing events 62 weak gravitational lensing 62 astrophysical phenomena 62 intrinsic brightness 62 radial velocities 62 COROT 62 VIRTIS 62 Cepheid variables 62 GALEX 62 exo planets 62 extragalactic 62 infrared interferometry 62 detect gravitational waves 62 infrared astronomy 61 Planetary Transits 61 stellar occultations 61 photometry 61 stellar seismology 61 SINFONI 61 gravitational lensing 61 distant supernovae 61 telescopic observations 61 Mössbauer 61 spectroscopic measurements 61 Optical Gravitational Lensing Experiment 61 SDSS II 61 Delta Cephei 61 Crab Pulsar 61 UKIRT 61 spectroscopic observations 61 extrasolar 60 ESO Very Large Telescope 60 HARPS spectrograph attached 60 X ray telescopes 60 HIRES spectrometer 60 transiting exoplanets 60 ESA XMM Newton 60 gravitational wobbles 60 planets orbiting distant 60 transiting planets 60 NASA Wilkinson Microwave 60 millisecond pulsar 60 PSR J# 60 Lagrangian 60 HARPS instrument 60 extrasolar planetary systems 60 Keck telescope 60 Pluto Charon 60 Hipparcos 59 interferometry 59 UVOT 59 X ray wavelengths 59 astronomers 59 interferometric observations 59 CoRoT satellite 59 VLTI 59 ESO telescopes 59 extrasolar planets 59 Fermi LAT 59 LOFAR 59 cosmic phenomena 59 Gamma ray burst 59 WMAP satellite 59 gamma ray observatory 59 spectroscopic 59 X ray binary 59 WM Keck Observatory 59 ESO telescope 59 astrophysical 59 RXTE 59 Epsilon Aurigae 59 Orbiter LRO 59 astronomical observations 59 Jovian moons 59 Climate Experiment GRACE 59 Near Infrared Camera 59 Anisotropy Probe WMAP 59 HM Cancri 59 spectroscopically 59 Keck Telescope 59 airglow 59 SN #A 59 interferometric 59 Cepheid variable 59 Planck satellite 59 cosmological parameters 59 Earth orbiting satellites 59 stellar occultation 58 Keck Interferometer 58 Convection Rotation 58 Wide Angle Search 58 Red Rectangle 58 Astrophysicists 58 Adaptive optics 58 Great Observatories 58 Fermi telescope 58 retroreflector 58 inhabitable planets 58 Solar TErrestrial RElations Observatory 58 Hubble observations 58 exoplanet hunter 58 Keck Observatory 58 exoplanets orbiting 58 starquakes 58 Hubble Constant 58 NASA THEMIS 58 optical spectra 58 orbiting gamma ray 58 Fomalhaut b 58 radar interferometry 58 infrared telescopes 58 infrared spectrograph 58 metallicity 58 ESA SMART 58 gravitational wave 58 numerical simulations 58 VISTA telescope 58 called gravitational microlensing 58 filamentary structure 58 AB Aurigae 58 Earthlike planets 58 RS Ophiuchi 58 submillimetre 58 constellations planets 58 Spectrograph 57 millimeter wavelengths 57 gravitational radiation 57 orbital inclination 57 extrasolar planets orbiting 57 HD#b 57 retrograde orbit 57 Spaceguard 57 radial velocity measurements 57 sized planets orbiting 57 Interferometer VLTI 57 SEGUE 57 polarimetric 57 Adaptive Optics 57 planetary transits 57 Very Large Telescope 57 millisecond pulsars 57 Doppler shift 57 orbiting Chandra 57 radar altimetry 57 Kepler Mission 57 gravitational lens 57 planets orbits 57 Ulysses spacecraft 57 X ray spectrometer 57 spatially resolved 57 spectrographs 57 Toutatis 57 X ray observatories 57 jovian 57 geoid 57 cosmological observations 57 altimetry 57 AKARI 57 dynamical evolution 57 HiRISE image 57 coronagraph 57 Ultraviolet Optical Telescope 57 Anisotropy Probe 57 ESA Herschel 57 Hubble Space Telescope HST 57 spectrometric 57 Lick Observatory 57 X ray binaries 57 Kepler 9c 57 astrophysicists 57 MicroFUN 57 periodic dimming 57 SNe Ia 57 YORP effect 57 auroral 57 fainter objects 57 meteoritic material 57 Epsilon Eridani 57 Doppler velocity 57 NASA Far Ultraviolet 57 adaptive optics 57 GROND 57 XMM Newton satellite 57 interferometer 57 lunar crust 57 retrograde orbits 56 binary asteroid 56 optical wavelengths 56 magnetometry 56 neutron spectrometer 56 X ray pulses 56 astrophysical objects 56 STEREO spacecraft 56 ionospheric 56 UCO Lick 56 celestial sphere 56 Upsilon Andromedae 56 faint galaxies 56 HUDF 56 Mini SAR 56 ESO Paranal Observatory 56 NICMOS 56 Hubble orbits 56 ESO astronomer 56 Kuiper Belt Objects 56 SIM PlanetQuest 56 Astrophysics MOA 56 rotational axis 56 Lyman alpha 56 Diviner 56 Carina constellation 56 KBOs 56 Cygnus Lyra region 56 solar corona 56 RHESSI 56 CfA 56 rocky extrasolar planet 56 Andromeda halo 56 J# +# [002] 56 astronomical objects 56 brightnesses 56 MARSIS 56 Keck telescopes 56 exoplanets 56 gamma ray spectrometer 56 BLG #Lb 56 Konacki 56 submillimeter 56 gamma ray observatories 56 cosmic microwave radiation 56 nucleosynthesis 56 EPOCh 56 planets asteroids 56 supergiant star 56 Samuel Oschin Telescope 56 Interferometer 56 Mauna Kea Hawaii 56 orbiting Hubble Space Telescope 56 SNfactory 56 arcminutes 56 moon Io 56 RRATs 56 eclipsing binaries 56 imaging spectrometer 56 Submillimeter Array 56 ESA Cluster 56 celestial mechanics 56 Subaru Telescope 56 magnetars 56 SCIAMACHY 56 R Coronae Borealis 56 Heterodyne Instrument 56 redshift 56 ultraviolet wavelengths 56 celestial object 56 noctilucent clouds 56 galaxy redshift 55 CoRoT 55 La Silla observatory 55 SIRTF 55 substorm 55 spaceborne 55 gravitational slingshot 55 Cancri e 55 NOAO 55 spectroscopic analysis 55 planet Gliese #g 55 Wolszczan 55 ARPES 55 SAR interferometry 55 ROSAT 55 interferometers 55 Corot 9b 55 GigaGalaxy Zoom 55 particle acceleration 55 Subaru telescope 55 planets orbiting 55 GJ #b [002] 55 Descent Imager Spectral Radiometer 55 globular cluster M# 55 transiting planet 55 Comet Halley 55 paleomagnetic 55 THEMIS satellites 55 magnetospheric 55 planemos 55 GRBs 55 bolometers 55 Laser Interferometer Gravitational Wave 55 geomagnetism 55 planet gravitational tug 55 Pan STARRS 55 VLBI 55 InSAR 55 laser altimeter 55 aboard ESA Envisat 55 Eridani 55 smallest exoplanet 55 Doppler shifts 55 dipole moment 55 electroweak 55 planetary 55 KIPAC 55 diffraction patterns 55 starburst galaxy 55 seismic tomography 55 Astrophysical 55 Microlensing 55 Gravitational lensing 55 Keplerian 55 magnetic monopole 55 infrared observatory 55 THEMIS 55 CMB radiation 55 ESA Integral 55 Doppler measurements 55 photometer 55 AERONET 55 asteroids comets 55 ESO PR 55 magnetar 55 extrasolar planet 55 protoplanetary 55 discover Fomalhaut 55 OGLE 55 blazars 55 Gliese #e 55 XMM Newton observations 54 martian meteorites 54 gamma ray flares 54 highly elliptical orbits 54 electron diffraction 54 circumstellar disks 54 Higgs bosons 54 GJ#b 54 deformable mirrors 54 ray Space Telescope 54 Observatory STEREO 54 constellations Cygnus 54 redshifts 54 galaxy M# [001] 54 axial tilt 54 distant quasar 54 ultrahigh resolution 54 LAGEOS 54 planetary atmospheres 54 proplyds 54 Magnetic Imager HMI 54 exoplanet orbiting 54 NASA ICESat 54 lensing galaxy 54 geoneutrinos 54 gravitational waves 54 Evolution Explorer 54 particle astrophysics 54 multiwavelength 54 exo planet 54 Remote sensing 54 ESA Envisat satellite 54 NanoSIMS 54 optical spectroscopy 54 Hubble Space 54 INMS 54 TrES 4 54 Mossbauer spectrometer 54 Gaensler 54 Corot 7b 54 astro comb 54 MG J# +# 54 radiometric dating 54 VIMOS 54 mineralogical composition 54 MERIS 54 satellite altimeters 54 planets constellations 54 photon fluorescence 54 photometric 54 AGNs 54 afterglows 54 Oscillations 54 OGLE TR #b 54 spectroscope 54 gamma ray detector 54 exosphere 54 luminous galaxies 54 Moon Mineralogy Mapper M3 54 dynamical 54 Fermi Gamma ray 54 neutrino experiments 54 observational astronomy 54 infrared spectra 54 SPICAM 54 Orion nebula 54 asteroid orbit 54 RR Lyrae 54 Pieter van Dokkum 54 SeaWiFS 54 Methone 54 spiral nebulae 54 Kepler spacecraft 54 braneworld 54 HARPS 54 detect gamma rays 54 GRB #B 54 AMSR E 54 Jenniskens 54 SN Ia 54 supersymmetric particles 54 coronal loops 54 moonquakes 54 gamma ray telescope 54 Lars Hernquist 54 Cassini ion 54 Relations Observatory STEREO 54 celestial observations 54 attosecond 54 superstrings 54 orbital resonance 54 deconvolution 54 La Silla Chile 54 microwave radiometers 54 microquasar 54 Cosmic Microwave Background 54 Rossby waves 54 IRC +# 54 Spacewatch 54 arcsecond 54 theoretical astrophysics 54 Explorer WISE 54 diffuse aurora 54 WFC3 54 Geminga 54 azimuthal 54 arcseconds 54 Cosmic Background Explorer COBE 53 AU Mic 53 HiRISE camera aboard 53 astronomical telescope 53 high redshift galaxies 53 Magellanic Clouds 53 Gemini Observatory 53 NASA Kepler telescope 53 NASA Cassini 53 supersymmetric 53 Helioseismic 53 Gal Yam 53 parallax 53 CoRoT 9b 53 Extragalactic 53 gamma ray emission 53 Cassini Huygens 53 synchrotron x ray 53 Pancam 53 earthshine 53 Spitzer infrared spectrograph 53 Rosetta orbiter 53 particle analyzers 53 D CIXS 53 ICESat 53 Beta Pictoris b 53 Infrared Array Camera 53 circumstellar 53 submillimetre wavelengths 53 Alycia Weinberger 53 High Accuracy Radial 53 Cygnus X 53 Nikku Madhusudhan 53 SUSY 53 Mpc 53 Drake Equation 53 arcsec 53 chemical abundances 53 meter Keck telescopes 53 orbiting observatories 53 Jupiter moon Io 53 Neutron Spectrometer 53 photosphere 53 celestial bodies 53 Multi Object Spectrograph 53 ESA Planck 53 moons Phobos 53 X ray scattering 53 HD# [002] 53 exoplanet 53 Yarkovsky effect 53 JDEM 53 celestial objects 53 DEIMOS 53 ultraviolet spectrometer 53 EPOXI 53 IBEX spacecraft 53 Ultraviolet Imaging Spectrograph UVIS 53 prograde 53 auroral emissions 53 electromagnetic flux 53 Hanny Voorwerp 53 Type 1a supernovae 53 Wolfgang Brandner 53 x ray scattering 53 gravity warps 53 Exoplanet 53 Spitzer infrared 53 Solar Orbiter 53 gamma ray burst 53 ASTRON 53 Philae lander 53 NASA Infrared Telescope 53 G#.# +#.# 53 Using ESO Very 53 MINOS 53 spectrometry 53 STIS 53 icy moons 53 interplanetary spacecraft 53 Observatory telescope 53 Cassini flyby 53 gradiometer 53 planetary nebulae 53 slender crescent 53 SNR #-#.# 53 occultation 53 polar mesospheric clouds 53 blazar 53 Tau Ceti 53 Gamma ray 53 moons circling 53 Gliese #c 53 velocity dispersion 53 AAVSO 53 habitable worlds 53 intracluster 53 gravitational redshift 53 Envisat ASAR 53 proton decay 53 UVES 53 cosmic cannibal 53 Earth ionosphere 53 VLBA 53 Digitized Sky Survey 53 Helix Nebula 53 Multi Object Spectrometer 53 submillimeter wavelength 53 starburst galaxies 53 telescopes 53 ULP cepheids 53 C1XS 53 novae 53 Deep Impact eXtended Investigation 53 Active Galactic Nuclei 53 Torino Scale 53 interstellar dust clouds 53 adaptive optics AO 53 Galilean moons 53 AATSR 53 Type Ia supernovae 53 Muchachos Observatory 53 detecting gravitational waves 53 NASA Chandra 53 Cassini radar 53 situ measurements 53 optical telescopes 53 resonance frequency 53 SuperWASP 53 interstellar dust grains 53 Wilkinson Microwave Anisotropy Probe 53 Hubble Near Infrared 53 particle detector 53 z ~ 53 Dalcanton 53 planets orbiting sun 53 gaseous planet 53 Saturnian system 53 Comet Hartley 53 Galilean satellites 53 red supergiant 53 radiometer 52 Thermal Emission Spectrometer 52 Magnetic Imager 52 elongated orbits 52 Henize #-# 52 planet Uranus 52 Proxima Centauri 52 magnetic anisotropy 52 X ray spectroscopy 52 crustal thickness 52 extrasolar planetary 52 Infrared Mapping Spectrometer VIMS 52 lunar craters 52 WASP #b 52 Interior Laboratory GRAIL 52 luminosities 52 X ray emission 52 MPIfR 52 Space Interferometry Mission 52 trigonometric functions 52 galaxy formation 52 Telescope BAT 52 constellation Centaurus 52 Landsat satellite 52 Raman spectra 52 VB #b 52 globulars 52 Einstein theories 52 Peony nebula star 52 Helix nebula 52 Omega Centauri 52 Herschel Space 52 XTE J# 52 Type Ia supernovas 52 NuSTAR 52 Giovanni Cassini 52 HiRISE camera 52 Viking Lander 52 cosmic ray flux 52 Gravity Probe B 52 biosignatures 52 Cosmic Origins Spectrograph COS 52 MSn 52 superluminal 52 Magnetars 52 Array ALMA 52 ChemCam 52 Zeta Ophiuchi 52 geodesy 52 Nasa Kepler 52 DIXI 52 Telescope LSST 52 Trifid Nebula 52 extraterrestrial civilizations 52 polar orbiting satellites 52 ultraviolet imaging spectrograph 52 Saturn moon Mimas 52 Cosmic Evolution 52 Polarimetry 52 OGLE TR 52 radiometric measurements 52 orbiting 52 Hipparchus 52 heavily instrumented 52 scanning tunneling microscopy 52 X ray Telescope XRT 52 RY Sagittarii 52 pointings 52 FUV 52 Exoplanets 52 enzyme kinetics 52 diffusion coefficients 52 Milky Way halo 52 EPOXI mission 52 Composite Infrared Spectrometer 52 tropospheric 52 spectrographic 52 HRSC 52 Force Microscopy 52 Extrasolar Planets 52 ESA Envisat 52 AUs 52 type Ia supernovae 52 orbiter Mars Odyssey 52 Foing 52 Uranus Neptune 52 mu Arae 52 polaritons 52 astrobiological 52 comets asteroids 52 occulted 52 satellite altimetry 52 laser altimetry 52 neutrino oscillations 52 diffraction pattern 52 astronomy 52 W boson 52 active galactic nuclei 52 Titan flyby 52 supermassive 52 Spaceguard Survey 52 Bose Einstein condensates 52 Moon Mineralogy Mapper 52 Rayleigh scattering 52 NASA Kepler 52 Mercury magnetosphere 52 TerraSAR X 52 Advanced LIGO 52 planets 52 observatories 52 Herschel telescope 52 LIGO 52 axions 52 volcanic moon Io 52 Infrared Astronomical Satellite IRAS 52 elliptical orbits 52 MARSIS radar 52 Spitzer Space Telescope 52 Saturnian moons 52 Stassun 52 Earthlike planet 52 Spectroscopic 52 solar irradiance 52 supergiant stars 52 circular polarization 52 baryon 52 QQ# 52 distant quasars 52 DISR 52 fluorescence excitation 52 ionosphere 52 TrES 52 neutrino particles 52 Kazantzidis 52 Observatory SDO 52 ESA ERS 52 SAXS 52 polarimeter 52 Heliospheric Observatory SOHO 52 DEEP2 52 Dauphas 52 magnetic monopoles 52 mineralogical mapping 52 reflectance spectroscopy 52 interferometric technique 52 Mercury exosphere 52 frequency combs 52 backscattered 52 Rosetta spacecraft 52 Galileo spacecraft 52 Rosetta lander 52 coronal loop 52 supernovae 52 Terrestrial Planet Finder 52 sunlike stars 52 protoplanet 52 Submillimeter 52 WFPC2 52 Saturn magnetosphere 52 satellites orbiting Earth 52 ACS WFC 52 gravitational perturbations 52 WISE infrared 52 Kuiper belt object 52 Venusian atmosphere 52 supernovas 52 habitable planets 52 hexagonal mirrors 52 galactic cosmic rays 52 orbital mechanics 52 Mars landers 52 Supernova #A 52 electromagnetic geophysical survey 52 interferograms 52 Arches Cluster 52 GRB# 52 exoplanets planets 52 Orbiter MRO 52 Interferometric 52 bolometer 52 picometer 52 microlensing technique 52 Type Ia supernova 52 Cosmologists 52 planetary nebulas 52 laser spectroscopy 52 Encke gap 52 Steward Observatory 52 spacecraft Cassini 52 galaxy NGC 52 cosmic strings 52 Compact Reconnaissance Imaging Spectrometer 52 OSIRIS 52 LORRI 52 Gravitational waves 51 solar radii 51 trigonometric 51 Lunar Orbiter Laser Altimeter 51 NEAs 51 LROC 51 Solar Dynamics Observatory 51 Fourier transforms 51 reionization 51 plasma spectrometer 51 cosmic magnifying glass 51 Doppler Effect 51 Area Telescope LAT 51 atmospheric oceanic 51 Earth objects NEOs 51 Hawaii Mauna Kea 51 Gerard Kuiper 51 Bug Nebula 51 SOHO spacecraft 51 cluster NGC 51 Maxwell equations 51 faintest galaxies 51 gamma ray telescopes 51 Avishay Gal Yam 51 Kepler Space Telescope 51 NEOWISE 51 Infrared Mapping Spectrometer 51 NASA ESA Hubble 51 NASA WMAP 51 spherical geometry 51 KamLAND 51 geochemists 51 asteroidal 51 Planck 51 Huygens descent 51 Microlensing Observations 51 LADEE 51 X ray absorption spectroscopy 51 radiative transfer 51 planets circling 51 Suzaku X ray 51 merging galaxies 51 planets moons 51 antiproton 51 Titan flybys 51 dimming starlight 51 radiative cooling 51 USArray 51 JWST 51 telescopes astronomers 51 galaxy M# [002] 51 orbiting telescopes 51 neutral mass spectrometer 51 Paranal 51 constellation Ursa Major 51 neutrino mass 51 ASPERA 51 twin STEREO spacecraft 51 Saturnian moon Titan 51 Smithsonian astronomer 51 distant galaxies 51 HARPS spectrograph 51 FORCAST 51 quasiparticle 51 antineutrino 51 e MERLIN 51 trans Neptunian objects 51 ultrashort pulses 51 planet orbits 51 submillimeter wavelengths 51 infalling gas 51 microwave radiometer 51 Kuiper Belt object 51 Hinode spacecraft 51 visit http:/saturn.jpl.nasa.gov 51 Galaxy Evolution 51 Ring Nebula 51 masers 51 XMM Newton X ray 51 Manchester Jodrell Bank 51 INTEGRAL 51 NASA COBE satellite 51 Earth radii 51 constellation Carina 51 blue supergiant 51 cryovolcanism 51 comets orbiting 51 magnetic polarity 51 optical aberrations 51 scatterometer 51 interacting galaxies 51 Muons 51 Mars Phobos 51 celestial 51 telescope 51 blackbody 51 Mini TES 51 Sasselov 51 Einstein equations 51 Olympus Mons 51 Elenin 51 UVIS 51 Io Europa 51 NASA EPOXI mission 51 HiRISE 51 Pleiades cluster 51 supernova SN 51 telescope atop Mauna 51 auroral activity 51 exobiology 51 Ground penetrating radar 51 gamma ray bursts 51 Z boson 51 Comet Holmes 51 planets comets 51 reflectometry 51 OSTM Jason 2 51 spectroscopic techniques 51 spatial resolution 51 Solar Observatory 51 GQ Lupi 51 infrared imager 51 Reflection Radiometer 51 Einstein relativity theory 51 Comet Machholz 51 Coma Cluster 51 Imaging Spectrometer 51 steering wheel tilts 51 excitations 51 MIT Haystack Observatory 51 atmospheric turbulence 51 inch refracting telescope 51 infrared telescope 51 geodynamic 51 moonlet 51 galactic mergers 51 noctilucent cloud 51 Landsat satellites 51 dwarf spheroidal galaxies 51 Astrophysics Cambridge Mass. 51 Panoramic Survey 51 Total Ozone Mapping 51 Syrtis Major 51 super Earths 51 Wilkinson Microwave Probe 51 Hinode 51 nanoindentation 51 planet orbiting 51 meridional flow 51 galactic disk 51 fundamental constants 51 spectroscopy 51 baryon acoustic oscillations 51 ultracold atoms 51 Earthshine 51 ultraviolet spectrograph 51 Saturn rings 51 numerical modeling 51 gravitational acceleration 51 Jupiter moons 51 infrared spectroscopic 51 Milankovitch cycles 51 Space Telescopes 51 Relativistic 51 THEMIS spacecraft 51 Mars Climate Sounder 51 galactic magnetic 51 Planetary Fourier Spectrometer PFS 51 Mossbauer 51 quasicrystal 51 astronomical observatories 51 shortwave infrared 51 pulsars 51 Advanced Microwave Scanning 51 Gemini telescopes 51 globular cluster 51 Normalized Difference Vegetation 51 accretion disks 51 Lagoon Nebula 51 muon neutrino 51 hypervelocity star 51 heliophysics 51 star clusters nebulae 51 novas 51 distant galaxy clusters 51 COROT 7b 51 nonlinear optics 51 Jupiter Uranus 51 constellation Eridanus 51 SPIRE instrument 51 ENVISAT 51 Stéphane Udry 51 wavefront sensor 51 reflection nebula 51 spectroscopic technique 51 electron flux 51 optical microscopy 51 APEX telescope 51 nebular 51 moons orbiting 51 magnetospheres 51 superlens 50 scanning electron microscopes 50 cosmic ray 50 ultraviolet radiation emitted 50 irregularly shaped asteroid 50 neutrino oscillation 50 speckle pattern