Related by context. All words. (Click for frequent words.) 75 gravitational microlensing 73 microlensing events 70 Optical Gravitational Lensing Experiment 70 radial velocity 70 OGLE 69 radial velocity method 67 astronomers 66 astrometry 66 gravitational lensing 65 extrasolar planets 65 extrasolar planet 64 distant quasar 64 BLG #Lb 64 XMM Newton 64 transiting planets 64 stellar occultation 64 WM Keck Observatory 64 ESA XMM Newton 63 exoplanet 63 Fomalhaut b 63 gravitational lenses 63 X ray telescopes 63 GRB #B 63 COROT 63 exoplanetary 63 TrES 63 planets orbiting distant 63 GALEX 63 Fermi telescope 62 gravitational lens 62 occultations 62 called gravitational microlensing 62 exoplanets orbiting 62 eclipsing binary 62 transiting planet 62 Astrophysics MOA 62 weak gravitational lensing 62 Cepheids 62 Keck Interferometer 62 stellar occultations 62 HD#b 62 CoRoT satellite 62 GJ#b 62 radial velocity technique 61 HARPS spectrograph attached 61 Cepheid variables 61 RXTE 61 TrES 4 61 smallest exoplanet 61 G#.# +#.# 61 UVOT 61 extrasolar planets orbiting 61 Keck telescope 61 GJ #b [001] 61 HARPS instrument 61 AU Mic 61 Spitzer Space Telescope 61 X ray observatory 61 ESO VLT 61 MicroFUN 61 GRBs 61 gamma ray observatory 61 extrasolar 61 gravitational wave 61 planet orbiting 61 Epsilon Aurigae 61 Kuiper belt objects 61 Mauna Kea Hawaii 61 Gliese #g 60 Earthlike planets 60 extrasolar planetary systems 60 faint galaxies 60 X ray emission 60 planets orbiting 60 LOFAR 60 geoneutrinos 60 NASA Chandra 60 periodic dimming 60 Microlensing 60 distant quasars 60 millisecond pulsar 60 ESO Very Large Telescope 60 gamma ray burst 60 gaseous planet 60 Epsilon Eridani 60 Microlensing Observations 60 spectroscopic 60 infrared telescope 60 KamLAND 60 GJ #b [002] 60 optical telescopes 60 planetary Transits 60 X ray binary 60 Keck telescopes 60 SDSS II 60 VLTI 60 Delta Cephei 60 Corot 9b 60 Cancri e 60 merging galaxies 59 photometry 59 planet orbits 59 Triangulum Galaxy 59 interacting galaxies 59 Active Galactic Nuclei 59 HM Cancri 59 AB Aurigae 59 exo planets 59 occultation 59 gamma ray bursts 59 spectroscopically 59 Kepler #b 59 COROT 7b 59 HD #b [002] 59 SN #A 59 exoplanets 59 HD# [002] 59 HARPS 59 exo planet 59 extragalactic 59 cosmological distances 59 Omega Centauri 59 Hubble observations 59 distant supernovae 59 transiting exoplanets 59 VIRTIS 59 Pluto Charon 59 NASA Wilkinson Microwave 59 Corot 7b 59 KBOs 59 SINFONI 59 WASP #b 59 galaxy cluster 59 WMAP satellite 59 rocky extrasolar planet 59 interferometric 58 Kuiper Belt object 58 adaptive optics 58 earthshine 58 exoplanet hunter 58 ultraviolet wavelengths 58 gravitational radiation 58 ESO telescope 58 CoRoT 58 galaxy M# [002] 58 starburst galaxies 58 UDFy # 58 ESO telescopes 58 Lyman alpha 58 spectroscopic observations 58 reionization 58 planet Uranus 58 sulfur isotope 58 detect gravitational waves 58 UKIRT 58 VB #b 58 infrared wavelengths 58 noctilucent clouds 58 galaxy NGC 58 Hubble Space Telescope HST 58 Pan STARRS 58 Cancri 58 binary quasar 58 Borexino 58 photoemission 58 AGNs 58 APXS 58 Subaru Telescope 58 Gliese #e 58 Galaxy Evolution 58 X ray Observatory 58 Upsilon Andromedae 58 Keck Telescope 58 globular clusters 58 submillimetre 58 GRB # 58 Wide Angle Search 58 OGLE TR 58 intrinsic brightness 58 optical interferometry 58 spectroscopic measurements 58 J# +# [002] 58 YORP effect 57 magnetic reconnection 57 SuperWASP 57 Adaptive optics 57 planets orbiting sun 57 Anisotropy Probe WMAP 57 Henize #-# 57 gravitationally bound 57 planemos 57 Fermi LAT 57 Spacewatch 57 X ray observatories 57 antineutrino 57 astrophysicists 57 star Gliese 57 GRB# 57 Gliese #c 57 HIRES spectrometer 57 Samuel Oschin Telescope 57 PSR J# 57 stellar seismology 57 neutrino 57 boson 57 galaxy M# [001] 57 Climate Experiment GRACE 57 exoplanet orbiting 57 biosignatures 57 supersymmetric particles 57 magnetar 57 Gamma ray burst 57 electron neutrino 57 distant galaxy clusters 57 supernovae 57 Red Rectangle 57 Hanny Voorwerp 57 KH #D 57 HiRISE image 57 redshift 57 polarimetry 57 retrograde orbit 57 exosolar planets 57 radio occultation 57 planets orbits 57 elliptical galaxy 57 interferometry 57 SN #gy 57 telescopes 57 Subaru telescope 57 fainter objects 57 pulsars 57 planetary transits 57 red supergiant 57 Evolution Explorer 57 Comet Machholz 57 Very Large Telescope 57 Beta Pictoris b 57 X ray pulses 57 XMM Newton satellite 57 quasar 56 astrophysical phenomena 56 substorm 56 sized planets orbiting 56 HUDF 56 SIM PlanetQuest 56 Keck Observatory 56 National Astronomical Observatory 56 2MASS 56 zodiacal light 56 astronomical observations 56 RS Ophiuchi 56 ray Space Telescope 56 CDMS experiment 56 brown dwarfs 56 infrared interferometry 56 lunar perigee 56 Type Ia supernova 56 cosmic ray 56 millimeter wavelengths 56 Planck satellite 56 Convection Rotation 56 MINOS 56 quasars 56 noctilucent 56 Arches Cluster 56 Voorwerp 56 telescopic observations 56 millisecond pulsars 56 ROSAT 56 CfA 56 mu Arae 56 gravitationally lensed 56 Comet Holmes 56 Submillimeter Array 56 distant galaxies 56 Extrasolar Planet Search 56 X ray afterglow 56 RRATs 56 Quadrantid meteor shower 56 HARPS spectrograph 56 redshifts 56 attosecond 56 CMB radiation 56 Hobby Eberly Telescope 56 VLBA 56 velocity dispersion 56 binary asteroid 56 Beta Pictoris 56 Anisotropy Probe 56 moon Io 56 VLBI 56 OGLE TR #b 56 proton decay 56 celestial object 56 THEMIS 56 Pieter van Dokkum 56 Planetary Transits 56 galaxy clusters 55 Very Large Array 55 SOHO spacecraft 55 infrared observatory 55 Spectrograph 55 planet gravitational tug 55 WISE infrared 55 starburst galaxy 55 Kuiper Belt Object 55 Type Ia supernovae 55 elliptical galaxies 55 Magellanic Clouds 55 rocky planets 55 axions 55 spacecraft Cassini 55 orbiting Hubble Space Telescope 55 auroral 55 planet HD #b 55 radial velocity measurements 55 diffuse aurora 55 Crab Pulsar 55 orbiting Chandra 55 P/# A2 55 IceCube 55 luminous galaxies 55 dwarf galaxy 55 foreground galaxy 55 coronagraph 55 Toutatis 55 Comet Halley 55 X ray wavelengths 55 masers 55 constellation Cassiopeia 55 Ulysses spacecraft 55 constellation Centaurus 55 optical wavelengths 55 radial velocities 55 HAT P 55 constellation Ursa Major 55 cosmic cannibal 55 brown dwarf 55 infrared spectral 55 intracluster 55 Wilkinson Microwave Anisotropy Probe 55 terrestrial planets 55 supersymmetric 55 aurorae 55 Kepler 9c 55 neutrino oscillation 55 Mössbauer 55 X ray binaries 55 astrometric 55 supernova remnant 55 filamentary structure 55 globular cluster 55 CoRoT 7b 55 galaxy redshift 55 Maunder minimum 55 AKARI 55 supernova explosion 55 Kuiper Belt Objects 55 planets circling 55 gravitational waves 55 muon 55 SN #C 55 astronomer 55 Gliese #d 55 ESO Paranal Observatory 55 magnetars 55 unaided eye 55 orbiting observatories 55 DZero 55 cosmic microwave background 55 particle detector 55 Thermal Emission Spectrometer 55 nightglow 55 coronal loop 55 Lick Observatory 55 RHESSI 55 extrasolar planetary 55 constellation Sagittarius 55 brightest supernova 55 R Coronae Borealis 55 Konacki 55 SEGUE 55 spiral nebulae 55 Near Infrared Camera 55 MG J# +# 55 Eta Carinae 55 Comet Lulin 55 dipole moment 55 afterglows 55 geochemists 55 airglow 54 Gemini Observatory 54 Kepler Mission 54 galaxy formation 54 interferometer 54 Cepheid variable 54 Orion Nebula 54 robotic telescopes 54 eclipsing binaries 54 active galactic nuclei 54 meteoritic material 54 substorms 54 Hubble Ultra 54 NICMOS 54 Kuiper belt object 54 neutrino detectors 54 comet McNaught 54 orbiting telescope 54 distant galaxy 54 astronomical objects 54 transiting exoplanet 54 Diviner 54 Sagittarius Window Eclipsing 54 Kepler spacecraft 54 polarimetric 54 planets Kepler 54 Cat Paw Nebula 54 planet transits 54 Jupiter moon Io 54 moons orbiting 54 WIMPs 54 muon neutrino 54 BLG #L 54 NanoSIMS 54 Higgs particle 54 Coma Cluster 54 Quadrantids 54 infrared spectra 54 type Ia supernovae 54 moon Charon 54 Array ALMA 54 type Ia supernova 54 comet Lulin 54 LIGO 54 Galilean moons 54 telescope 54 High Accuracy Radial 54 gravitational wobble 54 Cygnus X 54 Martian meteorites 54 CoRoT 9b 54 Orion nebula 54 inhabitable planets 54 planet Gliese #g 54 Mercury flyby 54 La Silla Observatory 54 smallest extrasolar planet 54 auroral emissions 54 gravitational interactions 54 Hawking radiation 54 moonlet 54 Andromeda Galaxy 54 Astronomers 54 spectrographs 54 phyllosilicates 54 MiniBooNE 54 orbiting gamma ray 54 sunlike stars 54 astronomical telescope 54 blackbody 54 Advanced LIGO 54 photon counting 54 Using ESO Very 54 Trojan asteroids 54 sodium atoms 54 galactic bulge 54 Jupiter moons 54 scanning tunneling microscopy 54 BP Psc 54 photometer 54 supergiant stars 54 solar corona 54 cryovolcanism 54 Orionids 54 superlens 54 planetary nebulae 54 X ray spectrometer 54 interferometers 54 astrophysical 54 Higgs bosons 54 InSAR 54 axial tilt 54 Virgo Cluster 54 Explorer WISE 54 metallicity 54 Mpc 54 Interferometer 54 SIRTF 54 Upsilon Andromedae b 54 pulsar 54 spatially resolved 54 Galileo spacecraft 54 protoplanet 54 supergiant star 54 Infrared Thermal Imaging Spectrometer 54 WMAP 54 Nasa Kepler 54 hydrated minerals 54 Milky Way halo 54 SNR #-#.# 53 MN4 53 Hipparcos 53 lensing galaxy 53 Trifid Nebula 53 perihelion 53 GEO# 53 infrared astronomy 53 Laser Interferometer Gravitational Wave 53 UCO Lick 53 retrograde orbits 53 Infrared Telescope UKIRT 53 ULIRGs 53 cluster NGC 53 RX J# 53 ARPES 53 stellar nurseries 53 Observatory Very 53 SAXS 53 Kuiper Belt objects 53 asterism 53 #P/Churyumov-Gerasimenko 53 NASA Kepler spacecraft 53 Gravitational lensing 53 IRC +# 53 mineralogical composition 53 Fornax cluster 53 Pierre Auger Observatory 53 axion 53 Comet Hale Bopp 53 Lulin 53 globulars 53 multiwavelength 53 Bose Einstein condensates 53 polar vortex 53 NASA Infrared Telescope 53 Southern Observatory ESO 53 earthlike planets 53 lunar crust 53 photon fluorescence 53 ESO PR 53 SDSS 53 WHIM 53 electron neutrinos 53 inhomogeneities 53 pentaquark 53 Higgs boson particle 53 asteroseismology 53 martian meteorites 53 ESO La Silla 53 Sedna 53 occulted 53 HESS telescopes 53 Lyrids 53 circumstellar disk 53 celestial objects 53 Small Magellanic Cloud 53 galactic disk 53 neutrino mass 53 William Herschel Telescope 53 Gamma ray bursts 53 polaritons 53 magnetic polarity 53 Giovanni Cassini 53 Gravitational waves 53 blazars 53 Raman spectroscopy 53 PASADENA Calif. Astronomers 53 super Earths 53 Milankovitch cycles 53 auroras 53 radar interferometry 53 submillimeter wavelengths 53 Herschel Space 53 Wolszczan 53 novae 53 spectroscope 53 TGFs 53 subsurface ocean 53 Super Kamiokande 53 Bullet Cluster 53 ESA Herschel 53 arcseconds 53 spectroscopic technique 53 cosmic phenomena 53 optical telescope 53 Galilean satellites 53 Raman scattering 53 magnetic anisotropy 53 JILA 53 Pegasi 53 Bug Nebula 53 Fomalhaut 53 polar mesospheric clouds 53 hypervelocity stars 53 SCP #F# 53 Spaceguard 53 frequency combs 53 Kepler Space Telescope 53 constellation Hercules 53 muons 53 solar irradiance 53 gamma ray flares 53 NASA Far Ultraviolet 53 observatories 53 Antennae Galaxies 53 La Silla Chile 53 Andromeda halo 53 arcminutes 53 barred spiral galaxy 53 photoluminescence 53 NGC# 53 Orbiter LRO 53 EPOXI 53 tau neutrino 53 constellation Cygnus 53 ionospheric 53 E ELT 52 meridional flow 52 YU# 52 laser altimeter 52 cosmic microwave radiation 52 AERONET 52 GRB #A 52 infall 52 antiparticle 52 Geminids 52 Bose Einstein condensation 52 astronomical observatory 52 pseudogap 52 backscattering 52 NASA THEMIS 52 submillimeter galaxies 52 astro comb 52 Gliese 52 Sagittarius B2 52 amateur astronomers 52 asteroids orbiting 52 Alpha Particle 52 Cosmic Microwave Background CMB 52 Type Ia 52 galactic mergers 52 XMM Newton observations 52 Cassini Huygens 52 LINEAR 52 reflection nebula 52 Kailash Sahu 52 Syrtis Major 52 constellation Carina 52 Composite Infrared Spectrometer 52 Earthlike planet 52 shorter wavelengths 52 Tarantula Nebula 52 La Silla observatory 52 submillimeter 52 visible wavelengths 52 HD# [005] 52 Explorer GALEX 52 gravitational wobbles 52 Solar Orbiter 52 Paranal Observatory 52 W boson 52 Virgo cluster 52 komatiites 52 subatomic particle 52 Titan flyby 52 Cerro Paranal 52 DEEP2 52 interferometric observations 52 supernova 52 absorption spectra 52 cosmic ray observatory 52 spectroscopic analysis 52 TNOs 52 Einstein relativity theory 52 nucleosynthesis 52 Venus transits 52 imaging spectrometer 52 magnetospheric 52 Carina constellation 52 Elenin 52 supercomputer simulations 52 baryon 52 Microlensing Follow Up 52 Fermi Gamma ray 52 lunar craters 52 Field Imager 52 Terrestrial Planet Finder 52 trans Neptunian objects 52 astrophysical objects 52 neutral mass spectrometer 52 Alex Filippenko 52 muon neutrinos 52 neutrino experiments 52 electric dipole 52 auroral displays 52 gravity warps 52 Astrophysical Journal 52 Enceladus flybys 52 Cosmic Microwave Background 52 Velocity Planet Searcher 52 Doppler measurements 52 diffraction pattern 52 HiRISE camera 52 THEMIS satellites 52 Comet Hartley 2 52 geoid 52 Infrared Array Camera 52 constellation Taurus 52 maser 52 sparticles 52 fluorescence microscope 52 J#.# [001] 52 optical microscopy 52 Andromeda galaxy 52 synchrotron x ray 52 planets 52 infrared telescopes 52 MARSIS 52 Interferometer VLTI 52 PSR J# +# 52 slender crescent 52 ESA Integral 52 spacecraft flyby 52 VISTA telescope 52 dynamical 52 inch Samuel Oschin 52 jovian 52 constellation Lyra 52 coronal loops 52 neutron star 52 quantum particle 52 Jovian moons 52 sulfur isotopes 52 Astrophysicists 52 icy moons 52 Comet McNaught 52 Oort cloud 52 Hinode 52 microquasar 52 infrared spectroscopy 52 QQ# 52 quantum tunneling 52 Ring Nebula 52 cosmic magnifying glass 52 innermost planet 52 submillimetre wavelengths 52 planetary astronomer 52 XTE J# 52 Tycho supernova 52 Cassini Huygens spacecraft 52 Lunar Reconnaissance Orbiter Camera 52 nanobacteria 52 XENON# [002] 52 galactic cosmic rays 52 faintest galaxies 52 sun corona 52 STEREO spacecraft 52 Paranal Chile 52 Telescope 52 spectral characteristics 52 microscopy technique 52 radiotelescope 52 asteroid 52 spectroscopic techniques 52 Aram Chaos 51 neutron spectrometer 51 Andromeda XII 51 neutrino beam 51 proplyds 51 Observatory telescope 51 protoplanetary disk 51 Atacama Large Millimeter Array 51 NOAO 51 moonlets 51 elliptical galaxy NGC 51 Palaeocene Eocene Thermal Maximum 51 Cosmic Evolution 51 Lunar Reconnaissance Orbiter LRO 51 Doppler shift 51 X ray spectroscopy 51 equatorial bulge 51 Cosmic Background Explorer COBE 51 Manchester Jodrell Bank 51 exosphere 51 GROND 51 elongated orbits 51 planetary nebula 51 Global Surveyor 51 backscattered 51 neutrino particles 51 Adaptive Optics 51 Mini SAR 51 microlensing technique 51 constellation Virgo 51 orbited Jupiter 51 NASA Cassini spacecraft 51 IBEX spacecraft 51 starquakes 51 Spitzer infrared spectrograph 51 habitable zones 51 Type Ia supernovas 51 Ground penetrating radar 51 Steward Observatory 51 Wolfgang Brandner 51 paleomagnetic 51 RQ# 51 Earth magnetotail 51 NEAs 51 AAVSO 51 INMS 51 gamma ray emission 51 Ontario Lacus 51 distant supernovas 51 KT boundary 51 Saturn Enceladus 51 Alfvén waves 51 Nikku Madhusudhan 51 Yarkovsky effect 51 Space Telescope 51 CoRoT #b 51 Landsat satellite 51 protoplanetary 51 penumbral lunar eclipse 51 Sushil Atreya 51 neutrino telescope 51 Voyager spacecraft 51 moon Enceladus 51 Rayleigh scattering 51 blazar 51 TerraSAR X 51 TW Hydrae 51 dynamical evolution 51 Lowell Observatory 51 Gerard Kuiper 51 orbiting Mars 51 prograde 51 Earth Asteroid 51 Ultraviolet Imaging Spectrograph UVIS 51 Zeta Ophiuchi 51 star Fomalhaut 51 orbiting observatory 51 spectral fingerprint 51 orbiter Mars Odyssey 51 Quaoar 51 Pluto Eris 51 Cassini flyby 51 sterile neutrino 51 interstellar dust grains 51 velocity Planet Searcher 51 Spitzer infrared 51 NASA Kepler 51 spacecraft orbiting 51 celestial phenomena 51 Tarduno 51 SeaWiFS 51 dwarf spheroidal galaxies 51 XMM Newton X ray 51 ringed planet 51 submillimeter wavelength 51 ionisation 51 constellation Orion 51 geomagnetic 51 Cloud Aerosol Lidar 51 Infrared Pathfinder Satellite 51 Lagrangian 51 filamentary structures 51 dustier stormier atmosphere 51 Noctilucent clouds 51 Telescope BAT 51 reflectance spectroscopy 51 NEOWISE 51 Exoplanets 51 brightnesses 51 planet TrES 51 Cosmologists 51 Muchachos Observatory 51 USArray 51 moons Europa 51 SDSS III 51 Astrophysical Research 51 unpolarized 51 Galactic Plane 51 Infrared Mapping Spectrometer VIMS 51 Eridani 51 photosphere 51 NASA ESA Hubble 51 Earth asteroids 51 interferometric technique 51 Dumbbell Nebula 51 constellation Aquarius 51 meteoroid 51 gamma ray telescopes 51 silicate crystals 51 Comet NEAT 51 active galactic nucleus 51 Astrophysics Cambridge Mass. 51 Spectrometer 51 Multi Object Spectrometer 51 Radioastronomy 51 planets Uranus 51 galactic nuclei 51 spiral galaxy NGC 51 Kuiper belt 51 PSR B# 51 radar altimetry 51 SOAR telescope 51 constellation Scorpius 51 EVLA 51 Herschel Space Telescope 51 galactic clusters 51 z ~ 51 penetrating radar 51 gamma ray spectrometer 51 Multi Object Spectrograph 51 Type 1a supernovae 51 CRISM 51 gravitational redshift 51 Veil Nebula 51 protostars 51 Dr Ehrsson 51 largest moon Charon 50 THz radiation 50 HiRISE camera aboard 50 spherical halo 50 CHARA 50 HD #b [001] 50 asteroidal 50 Goldilocks planet 50 Mott insulator 50 galaxies collide 50 Pleiades cluster 50 Jenniskens 50 orbiting 50 spectrometer 50 TU# [002] 50 resonant tunneling 50 Planetary Science Institute 50 Observatory STEREO 50 Tau Ceti 50 transmission electron microscope 50 Heliospheric Observatory SOHO 50 magnetic monopole 50 Orion constellation 50 Exoplanet 50 protostar 50 Saturnian moon 50 PSR B# +# 50 scatterometer 50 rotating neutron stars 50 telescope atop Mauna 50 exciton 50 UA Lunar 50 discover Fomalhaut 50 proton proton collisions 50 NASA Fermi Gamma 50 Deep Field HUDF 50 Wolf Rayet stars 50 Viking landers 50 moons Phobos 50 particle astrophysics 50 accretion disk 50 extraterrestrial civilizations 50 Kepler telescope 50 Komossa 50 Mount Stromlo Observatory 50 IceCube telescope 50 HiRISE images 50 NASA QuikScat satellite 50 Doppler shifts 50 fluorescence spectroscopy 50 Main Injector Neutrino 50 frequency comb 50 Mimas 50 optical microscope 50 WFC3 50 SN#A 50 Tod Strohmayer 50 EPOCh 50 proto cluster 50 VIRTIS instrument 50 isotopic 50 Higgs boson 50 Seyfert galaxies 50 Saturn rings 50 supernovas 50 HL Tau 50 gaseous planets 50 galaxies 50 GZK cutoff 50 ESA SMART 50 Mini TES 50 COBE satellite 50 photons emitted 50 Saturn magnetosphere 50 synchrotron radiation 50 plasmon 50 nebular 50 Eagle Nebula