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(Click for frequent words.) 61 smallest exoplanet 60 radial velocity 60 GJ #b [001] 58 Kepler #b 58 Fermi telescope 58 CoRoT 9b 57 GJ#b 57 transiting planet 56 planets orbiting distant 56 COROT 56 gravitational microlensing 56 OGLE TR 56 muon neutrino 56 extrasolar planet 56 HAT P 56 distant quasar 56 extrasolar 55 geoneutrinos 55 TrES 55 Keck Interferometer 55 exoplanets orbiting 55 millisecond pulsar 55 planet orbiting 55 radial velocity method 55 Fomalhaut b 55 AB Aurigae 55 CoRoT 55 Antennae Galaxies 55 spectroscopically 55 HD #b [002] 55 Hubble Space Telescope HST 54 PSR J# 54 transiting planets 54 OGLE TR #b 54 microlensing 54 TrES 4 54 supersymmetric particles 54 BLG #Lb 54 exoplanetary 54 ESO telescope 54 CoRoT 7b 54 photometry 54 Gliese #g 54 GRB #B 54 Gliese #c 54 HD#b 54 distant supernovae 54 BP Psc 54 axions 53 GRB # 53 radial velocity technique 53 planets circling 53 CoRoT satellite 53 microlensing events 53 lunar craters 53 Cepheid variables 53 moonlet 53 distant galaxy clusters 53 stellar occultation 53 planet TrES 53 lightest exoplanet 53 SN #A 53 NASA Cassini spacecraft 53 NEAs 53 Giovanni Cassini 52 Upsilon Andromedae 52 Sedna 52 Cancri 52 exoplanet 52 Higgs boson particle 52 Kuiper Belt object 52 galactic mergers 52 Convection Rotation 52 extrasolar planets 52 G#.# +#.# 52 Corot 7b 52 WISE infrared 52 exoplanets 52 Comet Hartley 52 Corot 9b 52 SIRTF 52 galaxy NGC 52 Galilean satellites 51 optical interferometry 51 Orbiter LRO 51 planemos 51 airglow 51 AGNs 51 RS Ophiuchi 51 Higgs particle 51 innermost planet 51 GALEX 51 Samuel Oschin Telescope 51 planet Uranus 51 Epsilon Eridani 51 Cancri e 51 neutrino detectors 51 distant galaxy 51 luminous galaxies 51 Earthlike planets 51 diffuse aurora 51 X ray telescopes 51 WASP #b 51 astrometric 51 distant quasars 51 ray Space Telescope 51 GQ Lupi 51 X ray binary 51 binary quasar 51 Jupiter moons 51 HD# [002] 51 Toutatis 51 Gamma ray burst 51 occultations 51 neutrino oscillation 51 exo planets 50 Kuiper Belt Object 50 gaseous planet 50 X ray observatory 50 protons collide 50 boson 50 gamma ray photons 50 rocky extrasolar planet 50 moon Charon 50 Higgs bosons 50 Comet Halley 50 Submillimeter Array 50 galaxy cluster 50 WIMPs 50 gravitationally bound 50 moon Io 50 Churyumov Gerasimenko 50 RRATs 50 Beta Pictoris b 50 galactic clusters 50 SUSY 50 baryon 50 IBEX spacecraft 50 Pluto Charon 50 extrasolar planets orbiting 50 galaxy M# [002] 50 exosolar planets 50 exo planet 50 OGLE 50 RXTE 50 submillimeter wavelength 50 earthlike planets 50 WFC3 50 exoplanet orbiting 50 eclipsing binary 50 KBOs 50 planets orbiting sun 50 Jupiter moon Io 50 interstellar dust grains 50 HiRISE image 50 detect gravitational waves 50 HIRES spectrometer 50 scanning electron microscopes 50 HD #b [001] 50 Omega Centauri 50 Adam Riess 50 ESO VLT 50 orbiting Saturn 50 supernova SN 50 fainter objects 50 periodic dimming 50 Earthlike 49 XO 3b 49 spiral galaxy NGC 49 comet McNaught 49 trans Neptunian objects 49 red supergiant 49 spectroscopic observations 49 Gliese #e 49 electron neutrinos 49 subsurface ocean 49 planetary Transits 49 gravitationally lensed 49 YU# 49 Ulysses spacecraft 49 Gliese #d 49 ESA XMM Newton 49 moons orbiting 49 SN #gy 49 Mars orbiting spacecraft 49 exoplanets planets 49 neutralinos 49 infrared telescopes 49 Triangulum Galaxy 49 gamma ray burst 49 COROT 7b 49 inhabitable planets 49 planet HD #b 49 potentially habitable 49 HM Cancri 49 STEREO spacecraft 49 cometary material 49 smallest exoplanets 49 planet Gliese #g 49 radial velocities 49 exoplanetary systems 49 plutoids 49 Global Surveyor 49 ultraviolet wavelengths 49 NASA Wilkinson Microwave 49 protoplanet 49 binary asteroid 49 Andromeda galaxy 49 cosmological distances 49 habitable worlds 49 Kuiper belt objects 49 Flyby spacecraft 49 magnetar 49 Comet Hartley 2 48 Huygens descent 48 chemical abundances 48 astrophysical phenomena 48 MG J# +# 48 Henize #-# 48 Butterfly Nebula 48 rocky planets 48 brown dwarf 48 moon Mab 48 UB# [003] 48 transiting exoplanet 48 SIM PlanetQuest 48 Fermi Gamma ray 48 jovian 48 Epsilon Aurigae 48 galaxy M# [001] 48 Squyres Cornell 48 orbiting Hubble Space Telescope 48 Upsilon Andromedae b 48 VIRTIS 48 reionization 48 Saturn moons 48 Hubble observations 48 Cygnus X 48 Kepler spacecraft 48 comet Wild 48 NASA Kepler spacecraft 48 S/# [001] 48 COROT exo 3b 48 ESO telescopes 48 Red Rectangle 48 DISR 48 gamma ray observatory 48 Delta Cephei 48 neutrino 48 Haumea 48 J# +# [002] 48 orbiting observatories 48 EPOXI spacecraft 48 Evolution Explorer 48 ALH# 48 elliptical galaxy 48 detect gamma rays 48 Kailash Sahu 48 Main Injector Neutrino 48 super Earths 48 Gamma ray 48 Fornax cluster 48 merging galaxies 48 Cassini flyby 48 NASA Far Ultraviolet 48 BLG #L 48 Quaoar 48 KH #D 48 Kuiper Belt objects 48 Multi Object Spectrometer 48 Galileo spacecraft 48 Jovian moon 48 RQ# 48 Martian meteorites 48 Mars Reconnaissance Orbiter 48 Dumbbell Nebula 48 orbiting gamma ray 48 # Apophis 48 Lunar Reconnaissance Orbiter LRO 48 #P/Churyumov-Gerasimenko 48 globular cluster 48 planets orbiting 48 planets orbiting stars 48 millisecond pulsars 48 Arches Cluster 48 Heliospheric Observatory SOHO 47 moon Enceladus 47 solar corona 47 photometer 47 Comet Lulin 47 THEMIS 47 ATLAS detector 47 Kepler 9c 47 star Gliese 47 PSR J# +# 47 type Ia supernovae 47 sized planets orbiting 47 particle smasher 47 Saturnian moons 47 radial velocity measurements 47 spacecraft orbiting 47 transiting exoplanets 47 Coma Cluster 47 Microlensing 47 Saturn rings 47 Krimigis 47 extrasolar planetary 47 Keck telescope 47 La Silla Chile 47 extrasolar planetary systems 47 TNOs 47 S/# S1 47 cosmic phenomena 47 Kuiper belt object 47 Laser Interferometer Gravitational Wave 47 Gliese 47 Crab Pulsar 47 God Particle 47 coronagraph 47 supergiant star 47 infrared ultraviolet 47 XMM Newton 47 LORRI 47 NASA Fermi Gamma 47 microshutters 47 NICMOS observations 47 habitable planets 47 Eta Carinae 47 Beta Pictoris 47 Hawaii van Dokkum 47 SuperWASP 47 HARPS 47 VB #b 47 SN #C 47 orbited Jupiter 47 spacecraft flyby 47 Konacki 47 arcseconds 47 particle detectors 47 HiRISE camera 47 sterile neutrino 47 NICMOS 47 planet HD#b 47 UDFy # 47 radio occultation 47 maser 47 elliptical galaxies 47 Herschel Space Telescope 47 NASA Kepler 47 HARPS instrument 47 Martian rovers 47 infrared wavelengths 47 Lyman alpha 47 S/# P2 47 Virgo Cluster 47 GJ #b [002] 47 HARPS spectrograph attached 47 hypervelocity stars 47 PSR B# +# 47 MiniBooNE 47 Super Kamiokande 47 Rosetta orbiter 47 Magellanic Clouds 47 Oort cloud 47 Goldilocks planet 47 extrasolar worlds 47 constellation Cygnus 47 planets orbits 47 Optical Gravitational Lensing Experiment 47 spatially resolved 47 foreground galaxy 47 planet transits 47 lander Philae 47 comet nucleus 47 neutrino beam 47 LCLS 47 constellation Cetus 47 SDSS II 47 hot Jupiters 47 magnetars 47 intrinsic brightness 47 Mini TES 47 Anisotropy Probe WMAP 47 Mössbauer 47 infall 46 redshifts 46 GLAST telescope 46 Sasselov 46 Antenna LISA 46 novae 46 gravitational lenses 46 Saturn outermost ring 46 Mercury flyby 46 Voyager spacecraft 46 elongated orbits 46 Hubble Telescope 46 Wolf Rayet star 46 spiral galaxy Messier 46 Saturn Cassini 46 Kepler Mission 46 Doradus 46 Comet Hale Bopp 46 SPICAM 46 imaging spectrometer 46 Planck satellite 46 Ring Nebula 46 Io Europa 46 Jenniskens 46 planet orbits 46 faint galaxies 46 flyby spacecraft 46 starburst galaxies 46 moonquakes 46 ESA Rosetta 46 Climate Experiment GRACE 46 Enceladus 46 X ray wavelengths 46 Mpc 46 Comet Holmes 46 P/# A2 46 THEMIS satellites 46 gravitational wave 46 neutralino 46 Einstein equations 46 circumstellar disk 46 infrared spectra 46 winged dinosaur 46 planetary nebulae 46 ESA Integral 46 planetoid 46 PASADENA Calif. Astronomers 46 synchrotron X ray 46 Michelson interferometer 46 particle detector 46 Imaging Spectrometer MERIS 46 IRC +# 46 ultraluminous galaxy 46 Jovian moons 46 planets astronomers 46 stellar seismology 46 antineutrinos 46 Solar TErrestrial RElations Observatory 46 constellation Hercules 46 planet Gliese #c 46 Mauna Kea Hawaii 46 XTE J# 46 Opportunity rover 46 Phoebe orbits 46 distant galaxies 46 SeaWiFS 46 Elenin 46 Kepler Space Telescope 46 Higgs Boson 46 Methone 46 multiwavelength 46 APEX telescope 46 Nasa Kepler 46 NASA EPOXI mission 46 gamma ray bursts 46 X ray binaries 46 Near Infrared Camera 46 Helioseismic 46 interplanetary spacecraft 46 Saturnian system 45 permanently shadowed craters 45 noctilucent clouds 45 dwarf galaxy 45 galaxy formation 45 brightest supernova 45 constellation Aquarius 45 Infrared Astronomy 45 orbiting telescope 45 Mars Reconnaissance Orbiter MRO 45 coronal loop 45 faraway galaxies 45 constellation Cassiopeia 45 asteroid 45 substorms 45 Very Large Telescope 45 planetary transits 45 spiral nebulae 45 Diviner 45 X ray emission 45 icy moons 45 infrared spectrometers 45 Mandushev 45 cluster NGC 45 Gravitational waves 45 lensing galaxy 45 barred spiral galaxy 45 Lagoon Nebula 45 Iapetus 45 colliders 45 planet gravitational tug 45 J#.# [001] 45 Mercury magnetosphere 45 CALIPSO 45 eclipsing binaries 45 IceCube 45 frequency comb 45 NASA Lunar Reconnaissance 45 comet Lulin 45 UVOT 45 lunar crust 45 Oort Cloud 45 moons Phobos 45 CoRoT #b 45 Array ALMA 45 GRB #A 45 Stephan Quintet 45 WMAP satellite 45 potentially habitable planets 45 indium gallium arsenide InGaAs 45 optofluidic microscope 45 mu Arae 45 Earth radii 45 astrometry 45 neutron spectrometer 45 spatial dimensions 45 Pieter van Dokkum 45 Alfvén waves 45 solar neutrinos 45 magnetospheric 45 X ray afterglow 45 MN4 45 ringed planet 45 icy comets 45 Lutetia 45 Galaxy Evolution 45 Kepler 9b 45 starburst galaxy 45 ESA ASI 45 XMM Newton satellite 45 APXS 45 Explorer WISE 45 Saturnian moon 45 dustier stormier atmosphere 45 BP Piscium 45 Bug Nebula 45 Cat Paw Nebula 45 Cosmologists 45 Hubble orbits 45 GRBs 45 Zeta Ophiuchi 45 Earthlike planet 45 Astrophysicists 45 Hanny Voorwerp 45 renowned astrophysics observatory 45 submillimetre 45 circumstellar disks 45 Andromeda Galaxy 45 Spitzer infrared 45 GRB# 45 #C# [009] 45 Solar Orbiter 45 galactic disk 45 SCP #F# 45 SMOS mission 45 celestial sphere 45 KamLAND 45 Earth magnetosphere 45 circumstellar 45 planets 45 Context Camera 45 Wilkinson Microwave Probe 45 Diviner instrument 45 baryonic 45 Uninhabited Aerial Vehicle 45 magnetic monopole 45 Voorwerp 45 VLBA 45 Planetary Transits 45 cosmological theories 45 unaided eye 45 Kepler discoveries 45 Kuiper Belt Objects 45 X ray spectrometer 45 proton proton collisions 45 Borexino 45 Wilkinson Microwave Anisotropy Probe 44 Brookhaven Relativistic Heavy 44 Orionids 44 robotic spacecraft 44 Edmund Halley 44 Orbiter MRO 44 Composite Infrared Spectrometer 44 SD OCT 44 Mars Orbiter 44 Comet Tempel 1 44 QWIP 44 earthshine 44 NASA rovers Spirit 44 Virgo cluster 44 interstellar dust particles 44 AU Mic 44 Cassini spacecraft 44 NASA Stardust spacecraft 44 star Proxima Centauri 44 accelerator mass spectrometry 44 Enceladus flybys 44 asteroid Steins 44 cosmic cannibal 44 Comet Machholz 44 HL Tau 44 infrared interferometry 44 Planck telescope 44 prograde 44 Mars Phobos 44 subatomic particles 44 sunlike star 44 ESO Very Large Telescope 44 protoplanetary disk 44 Eagle Nebula 44 aurorae 44 interferometric observations 44 Orion nebula 44 dwarf planets 44 Jonathan Lunine 44 NuSTAR 44 astronomers 44 Pegasi 44 Mamajek 44 Cassini 44 Nasa spacecraft 44 Pluto Eris 44 telescope atop Mauna 44 Makemake 44 extrasolar planet HD #b 44 JIMO 44 EPOXI 44 blue supergiant 44 Fermi LAT 44 asteroidal 44 particle colliders 44 geochemists 44 Higgs Boson particle 44 celestial object 44 globular clusters 44 baryons 44 EPOXI mission 44 Type Ia supernovae 44 Crab Nebula 44 high redshift galaxies 44 habitable planet 44 Space Infrared Telescope 44 Crab pulsar 44 spiral galaxy 44 solar radii 44 Cepheids 44 CloudSat 44 ultrashort pulses 44 cosmic ray flux 44 hyperspectral imager 44 Charon Pluto 44 planetary surfaces 44 MINOS 44 celestial bodies 44 Gliese #G 44 LCROSS spacecraft 44 filamentary structure 44 RHESSI 44 neutrino telescope 44 orbital resonance 44 dust enshrouded 44 3He 44 VY Canis Majoris 44 supersymmetry 44 cosmological observations 44 Deep Impact probe 44 Wolszczan 44 Hipparcos 44 Maunder minimum 44 interstellar dust clouds 44 Saturn Enceladus 44 ultracold gases 44 Fermilab accelerator 44 phyllosilicates 44 constellation Sagittarius 44 Suzaku X ray 44 star Beta Pictoris 44 redshift z = 44 Kepler observatory 44 V# Mon 44 arcminutes 44 constellation Carina 44 Viking landers 44 extragalactic 44 large hadron collider 44 spectroscopic 44 SEGUE 44 Kepler 44 Planck spacecraft 44 photosphere 44 Stratospheric Observatory 44 Epimetheus 44 supernova explosion 44 ESA Mars 44 microquasar 43 retrograde orbit 43 laser spectroscopy 43 Gravitational lensing 43 retroreflector 43 laser altimeter 43 STIS 43 BepiColombo 43 comet 43 constellation Centaurus 43 occulted 43 Telescope Array 43 IBM BlueGene supercomputer 43 Lunokhod 43 Wolf Rayet stars 43 E ELT 43 Mars CRISM 43 Apophis asteroid 43 exosphere 43 Herschel Space 43 observable universe 43 ejecta 43 NASA Lunar Prospector 43 Epoxi 43 Martian dust 43 Cosmic Microwave Background 43 pulsars 43 stellar occultations 43 planet WASP #b 43 HUDF 43 planets circling stars 43 spectrograph 43 universal gravitation 43 OSIRIS 43 Comet Elenin 43 coronal loops 43 active galactic nucleus 43 CERN physicists 43 exoplanets planets outside 43 GA6 43 Hubble telescope 43 moons circling 43 Astronomers 43 asteroseismology 43 lensless imaging 43 interferometer 43 Anthony Remijan 43 robotic landers 43 moon Titan 43 WM Keck Observatory 43 lobate scarps 43 bolometers 43 quark gluon plasma 43 Using ESO Very 43 constellation Pegasus 43 Saturnian 43 neutrinos 43 NEOSSat 43 Herschel telescope 43 spacecraft Cassini 43 comet #P/Churyumov-Gerasimenko 43 ULIRGs 43 Tunguska asteroid 43 Area Telescope LAT 43 astronomical observations 43 Jupiter Ganymede 43 Cassini Huygens 43 NASA THEMIS 43 Lunar Prospector 43 x ray spectroscopy 43 Fritz Zwicky 43 cosmological parameters 43 superheavy element 43 Infrared Array Camera 43 Fermilab Tevatron 43 helium atom 43 emits X rays 43 submillimetre wavelengths 43 orbiting observatory 43 visit http:/saturn.jpl.nasa.gov 43 HiRISE camera aboard 43 reflection nebula 43 HIP #b 43 Burst Alert 43 Clementine spacecraft 43 Halzen 43 R Coronae Borealis 43 lunar meteorites 43 hadron 43 Io Europa Ganymede 43 scanning electron microscope SEM 43 Earth objects NEOs 43 Mini Thermal Emission 43 EPOCh 43 Muchachos Observatory 43 habitable zones 43 Laser Interferometer Space 43 X ray Observatory 43 gaseous planets 43 ESA Herschel 43 planets moons 43 astronomical objects 43 constellation Virgo 43 positron 43 ESA SMART 43 Curiosity rover 43 Grillmair 43 SOHO spacecraft 43 Galilean moons 43 asteroid Ceres 43 Southern Observatory ESO 43 Quadrantids 43 Philae lander 43 ChemCam 43 dimming starlight 43 Werthimer 43 Jupiter magnetosphere 43 intracluster 43 Infrared Mapping Spectrometer VIMS 43 Terrestrial Planet Finder 43 Saturn moon 43 Helix Nebula 42 constellation Ursa Major 42 Saturn moon Mimas 42 gravitational interactions 42 MARSIS radar 42 NASA QuikScat satellite 42 Hubble Ultra 42 quasars 42 Kuiper belt 42 redshift 42 Einstein theories 42 colliding protons 42 asteroid flyby 42 UKIRT 42 protostars 42 asteroid Itokawa 42 Orion constellation 42 UVIS instrument 42 Pan STARRS 42 X ray microscopy 42 astronomer Johannes Kepler 42 moons orbiting Saturn 42 cometary 42 Messenger spacecraft 42 constellation Ophiuchus 42 sterile neutrinos 42 Cassini Huygens spacecraft 42 Jupiter Icy Moons Orbiter 42 Wilhelm Roentgen 42 brown dwarfs 42 DZero collaboration 42 proto cluster 42 superfluids 42 Magnetars 42 NGC #A 42 Spitzer Space Telescope 42 MESSENGER 42 hyper spectral 42 orbiting Hubble telescope 42 tomographic images 42 Phobos 42 Proxima Centauri 42 GeV 42 constellation Taurus 42 Titan smoggy 42 gamma ray flares 42 infrared telescope 42 invisibility cloaking 42 gravitational interaction 42 gamma ray spectrometer 42 Comet #P/Churyumov-Gerasimenko 42 elliptical orbits 42 GEO# 42 Wilhelm Rontgen 42 terrestrial planets 42 Steins asteroid 42 asteroid Vesta 42 Palomar Observatory 42 Stephane Udry 42 #gy 42 Orion Nebula 42 XMM Newton X ray 42 sunlike stars 42 axion 42 Stanford Synchrotron Radiation 42 cosmic microwave radiation 42 Hinode 42 Tarduno 42 Wolfgang Brandner 42 Pleiades cluster 42 NIRSpec 42 asteroids 42 pulsar 42 Mimas 42 Astrophysics Cambridge Mass. 42 mammoth cosmic ray 42 Oganessian 42 sodium atoms 42 Ferenc Krausz 42 Envisat Medium Resolution 42 Hubble Space telescope 42 Solar Terrestrial Relations 42 nebular 42 Itokawa asteroid 42 Stardust spacecraft 42 Exoplanet 42 WFPC2 42 orbiting Mars 42 Alycia Weinberger 42 Chandra Observatory 42 spectra 42 quasar 42 JILA 42 antiproton 42 bedrock outcropping 42 accretion disk 42 Thirty Meter Telescope 42 Comet Churyumov Gerasimenko 42 Rosetta lander 42 corona 42 highly elliptical orbit 42 RY Sagittarii 42 Wilhelm Conrad Roentgen 42 LHCb 42 CERN LHC 42 neutron star 42 orbital inclination 42 rover Opportunity 42 sun corona 42 Cosmic Background Explorer 42 circular orbits 42 unmanned probes 42 cosmic microwave background 42 radiotelescope 42 Betelgeuse 42 slender crescent 42 Fomalhaut 42 AMIE camera 42 planetary 42 magma ocean 42 NASA LCROSS 42 asteroids orbiting 42 NSLS 42 perihelion 42 galaxy clusters 42 electronvolts 42 Perseus Cluster 42 Huygens mission 42 dynamical evolution 42 protostar 42 carbonaceous chondrite 42 Comet NEAT 41 Olympus Mons 41 dinosaur extinction 41 Uranus 41 ionized hydrogen 41 constellation Lyra 41 spectrometer 41 Tempel 1 41 Chandra X ray 41 origins spectrograph 41 electron volt 41 gigapixel camera 41 NASA Mars Odyssey 41 equatorial bulge 41 supermassive 41 quantum electrodynamics 41 Europa Ganymede 41 SSRL 41 Apophis 41 Franck Marchis 41 Svedhem 41 Neutron Detector 41 planetary nebula 41 synchrotrons 41 NASA Cosmic Background 41 Hot Jupiters 41 Cassini radar 41 Geminids 41 Optical Spectroscopic 41 comets orbiting 41 NASA Stratospheric Observatory 41 LOFAR telescope 41 IRAS #-# 41 celestial objects 41 RX J# 41 interstellar cloud 41 outermost planet 41 Cassini spacecraft orbiting 41 Space Telescope 41 Halley comet 41 impactor spacecraft 41 impactors 41 Jupiter icy moons 41 Comet 9P/Tempel 1 41 EGRET 41 Observatory STEREO 41 spaceborne 41 relativity theory 41 penetrating radar 41 Collider Detector