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(Click for frequent words.) 77 HD#b 76 planet HD #b 73 extrasolar planet 73 WASP #b 71 brown dwarf 71 CoRoT 7b 71 TrES 70 planet orbits 70 exoplanets 70 exoplanet 70 GJ #b [001] 70 planet orbiting 70 Fomalhaut b 70 galaxy cluster 69 Corot 7b 69 Corot 9b 69 transiting planet 69 HAT P 69 gaseous planet 69 Gliese #g 69 star Gliese 68 red supergiant 68 GJ #b [002] 68 Epsilon Eridani 68 Kuiper Belt object 68 Gliese 68 Gliese #c 68 planets orbiting 68 Kepler #b 67 brown dwarfs 67 constellation Aquarius 67 Gliese #d 67 Sedna 67 extrasolar planets 67 distant galaxy 67 star Proxima Centauri 67 exoplanets orbiting 67 constellation Hercules 67 Beta Pictoris 66 SN #gy 66 Cancri e 66 magnetar 66 HD# [002] 66 Eta Carinae 66 Beta Pictoris b 66 Orion Nebula 66 extrasolar 66 quasar 66 transiting planets 66 TrES 4 66 hot Jupiters 66 Hot Jupiters 66 Proxima Centauri 66 OGLE TR #b 65 supernova remnant 65 Upsilon Andromedae 65 rocky planets 65 SN #A 65 exoplanet orbiting 65 Cancri 65 distant quasars 65 CoRoT 65 icy moons 65 starburst galaxy 65 gamma ray burst 65 AU Mic 65 Virgo cluster 65 Crab Nebula 65 X ray wavelengths 64 BLG #Lb 64 Upsilon Andromedae b 64 constellation Ursa Major 64 distant quasar 64 CoRoT 9b 64 exo planets 64 BP Piscium 64 Quaoar 64 HD #b [001] 64 Omega Centauri 64 Goldilocks zone 64 constellation Lyra 64 UDFy # 64 photosphere 64 Red Rectangle 64 moons orbiting 64 constellation Pegasus 64 Kuiper belt objects 64 planets 64 Andromeda Galaxy 64 AB Aurigae 64 constellation Centaurus 64 smallest exoplanet 64 galaxy M# [002] 64 GJ#b 63 Gliese #e 63 GRB # 63 constellation Virgo 63 starburst galaxies 63 Kuiper Belt Object 63 supermassive black hole 63 supernova 63 galaxy NGC 63 protoplanetary disk 63 CoRoT satellite 63 HL Tau 63 X ray emission 63 elliptical galaxy 63 Wolf Rayet star 63 planets circling 63 Zeta Ophiuchi 63 GRBs 63 Milky Way Galaxy 63 neutron star 63 GQ Lupi 63 Fomalhaut 63 planets orbiting sun 63 Antennae Galaxies 63 AGNs 63 Earthlike planets 63 sunlike star 63 KBOs 63 spiral galaxy 63 BLG #L 63 dwarf galaxy 63 planetary nebula 63 Epsilon Aurigae 63 quasars 63 Enceladus 62 star Fomalhaut 62 constellation Perseus 62 planets orbiting distant 62 habitable zone 62 Oort cloud 62 terrestrial planets 62 extrasolar planet HD #b 62 GRB #B 62 CoRoT #b 62 constellation Sagittarius 62 mu Arae 62 magnetars 62 innermost planet 62 J# +# [002] 62 radial velocity 62 constellation Cetus 62 constellation Libra 62 constellation Cassiopeia 62 Saturnian moon 62 Virgo Cluster 62 constellation Vulpecula 62 super Earths 62 globular cluster 62 Henize #-# 62 Betelgeuse 61 brightest supernova 61 redshift 61 Oort Cloud 61 protostar 61 Andromeda galaxy 61 planemos 61 Stephan Quintet 61 gravitational microlensing 61 luminous galaxies 61 VY Canis Majoris 61 exoplanetary 61 extrasolar planets orbiting 61 distant supernovae 61 Fermi telescope 61 Galilean moons 61 emission nebula 61 moon Enceladus 61 comets orbiting 61 COROT 61 cosmological distances 61 planet Uranus 61 planetary nebulae 61 active galactic nuclei 61 Jovian moon 61 intrinsic brightness 61 protoplanet 61 pulsar 61 Kuiper belt 61 planet TrES 61 radial velocity method 61 planets astronomers 61 Orion nebula 61 infrared wavelengths 61 constellation Carina 61 planets orbiting stars 61 Saturn moon 61 planets orbits 60 eclipsing binary 60 COROT 7b 60 gravitationally bound 60 Hale Bopp 60 galaxies 60 Kepler 9c 60 OGLE TR 60 VB #b 60 axions 60 CMB radiation 60 celestial object 60 XTE J# 60 Bug Nebula 60 interacting galaxies 60 elliptical galaxies 60 tidally locked 60 retrograde orbit 60 magma ocean 60 Triangulum Galaxy 60 solar nebula 60 planet transits 60 Toutatis 60 PSR J# 60 XO 3b 60 type Ia supernova 60 Type Ia supernova 60 perihelion 60 Milky Way galaxy 60 Voorwerp 60 Earthlike 60 Jupiter moon Io 60 gaseous planets 60 Milky Way 60 constellation Auriga 60 barred spiral galaxy 60 Hanny Voorwerp 60 Venusian atmosphere 60 constellation Eridanus 60 habitable planets 60 MG J# +# 60 sodium atoms 60 zodiacal light 59 solar corona 59 constellation Taurus 59 Saturn rings 59 Earthlike planet 59 Kuiper Belt objects 59 ultraviolet wavelengths 59 dwarf galaxies 59 occulted 59 transiting exoplanet 59 ionized hydrogen 59 spiral galaxy NGC 59 Tarantula Nebula 59 BP Psc 59 galaxy M# [001] 59 visible wavelengths 59 astronomers 59 Arches Cluster 59 V# Mon 59 microlensing 59 orbits 59 supergiant star 59 P/# A2 59 millisecond pulsar 59 X ray telescopes 59 Grillmair 59 blazar 59 star Beta Pictoris 59 spiral galaxies 59 NGC# 59 unaided eye 59 distant galaxies 59 Comet Lulin 59 Pluto Charon 59 WMAP satellite 59 comet 59 WIMPs 59 SNR #-#.# 59 ionized gas 59 asterism 59 spectroscopic observations 59 lensing galaxy 59 accretion disk 59 redshifts 59 Galilean satellites 59 nebula 59 SN #D 59 Spitzer Space Telescope 59 galaxy clusters 59 Goldilocks planet 59 habitable zones 59 blue supergiant 59 Lagoon Nebula 59 hypervelocity stars 59 Kuiper belt object 59 SIRTF 59 RS Ophiuchi 58 moons Phobos 58 XMM Newton 58 supernova explosion 58 Kuiper Belt Objects 58 planet HD#b 58 Saturn moons 58 Coma Cluster 58 moon Charon 58 Uranus 58 supernovae 58 stellar nurseries 58 exosphere 58 Comet Holmes 58 asteroid Vesta 58 gamma rays 58 Cepheid variables 58 Geminga 58 foreground galaxy 58 Saturn magnetosphere 58 Bullet Cluster 58 planet Gliese #g 58 KH #D 58 planetary Transits 58 Pluto Eris 58 planetoid 58 sunlike stars 58 microquasar 58 Large Magellanic Cloud 58 blazars 58 constellation Andromeda 58 earthshine 58 Mpc 58 HIP #b 58 Wilkinson Microwave Anisotropy Probe 58 Eagle Nebula 58 shorter wavelengths 58 electron neutrinos 58 Small Magellanic Cloud 58 G#.# +#.# 58 quark gluon plasma 58 elongated orbits 58 Comet Halley 58 X ray pulses 58 constellation Leo 58 GALEX 58 Comet Hale Bopp 58 Phoebe orbits 58 baryon 58 outer corona 58 globular clusters 58 comet McNaught 58 interstellar clouds 58 optical wavelengths 58 sized planets orbiting 58 ejecta 58 Quadrantids 58 subsurface ocean 57 supernova SN 57 ULIRGs 57 R#a# 57 noctilucent clouds 57 stellar occultations 57 Helix nebula 57 X ray binary 57 Puppis 57 elongated orbit 57 galactic disk 57 exosolar planets 57 nebular 57 gamma ray bursts 57 constellation Gemini 57 celestial equator 57 SN #C 57 merging galaxies 57 circumstellar disks 57 fainter 57 galactic mergers 57 comet nucleus 57 Cepheids 57 R Coronae Borealis 57 Comet Hartley 57 potentially habitable planets 57 infrared radiation 57 Supernova #A 57 galaxy 57 Cassini flyby 57 Milky Way halo 57 Kepler 9b 57 Cygnus X 57 protoplanetary disks 57 Epsilon Indi 57 neutrino 57 Magnetars 57 Wolf Rayet stars 57 baryonic matter 57 constellation Scorpius 57 interstellar dust grains 57 Orion constellation 57 comets 57 Gamma ray bursts 57 outermost planet 57 gamma ray emission 57 millisecond pulsars 57 distant galaxy clusters 57 jovian 57 globulars 57 Saturn Enceladus 57 kaons 57 astronomical objects 57 permanently shadowed craters 57 baryons 57 S/# P2 57 helium atoms 57 baryonic 57 reflection nebula 57 radial velocity technique 57 antiparticle 57 planet WASP #b 57 trans Neptunian objects 57 Mandushev 57 Doradus 57 Eridani 56 constellation Ophiuchus 56 planets Uranus 56 supermassive 56 neutron stars 56 occultations 56 ray Space Telescope 56 Ring Nebula 56 Maunder minimum 56 UB# [003] 56 galactic cosmic rays 56 icy comets 56 active galactic nucleus 56 constellation Cygnus 56 polar vortex 56 pulsars 56 orbiting 56 Martian meteorites 56 Wolszczan 56 SN#A 56 exoplanets planets 56 planet Gliese #c 56 lunar craters 56 La Silla Chile 56 GeV 56 PZ Tel 56 ultraluminous galaxy 56 silicate dust 56 Infrared Thermal Imaging Spectrometer 56 proto galaxies 56 ringed planet 56 afterglows 56 volcanic moon Io 56 gamma ray observatory 56 coronal loops 56 type Ia supernovae 56 slender crescent 56 fainter objects 56 supernova remnants 56 metallicity 56 diffuse aurora 56 Evolution Explorer 56 Pegasi 56 tholins 56 Convection Rotation 56 spiral nebulae 56 star Spica 56 stellar occultation 56 Comet Elenin 56 faint galaxies 56 HD# [005] 56 protostars 56 Wilkinson Microwave Probe 56 plutoids 56 circumstellar disk 56 red supergiants 56 cometary material 56 boson 56 chondrites 56 Comet Hartley 2 56 mesosphere 56 NASA Wilkinson Microwave 56 binary quasar 56 masers 56 elliptical orbits 56 Crab Pulsar 56 SN #E 56 #gy 56 Higgs bosons 56 redshifted 56 Saturn moon Enceladus 56 infall 56 asteroidal 56 Neptune Uranus 56 Sasselov 56 habitable worlds 56 moonlet 56 plutoid 56 Achernar 56 coronagraph 56 moon Io 55 Mini TES 55 exo planet 55 accretion disks 55 muon 55 Phaethon 55 SCP #F# 55 Butterfly Nebula 55 Ulysses spacecraft 55 moonlets 55 luminosities 55 giant elliptical galaxy 55 Cosmic Microwave Background 55 optical telescopes 55 Iapetus 55 Orionids 55 PKS #-# 55 Lulin 55 Fornax cluster 55 interstellar dust 55 Uranus Neptune 55 neutrinos 55 Type Ia supernovae 55 nicknamed Xena 55 HM Cancri 55 Monoceros 55 IRC +# 55 neutral mass spectrometer 55 ESO VLT 55 Delta Cephei 55 Scorpii 55 hydrogen helium 55 magnetotail 55 Gemini constellation 55 aurorae 55 Very Large Telescope 55 Jupiter moons 55 astrophysicists 55 chromosphere 55 -# degrees Fahrenheit [002] 55 antineutrinos 55 neutralinos 55 planets comets 55 Bok globules 55 heliosheath 55 interstellar cloud 55 celestial sphere 55 strange quark 55 observable universe 55 gravitational lens 55 largest moon Charon 55 Cassini Huygens 55 maser emission 55 supernovas 55 moon Ganymede 55 geoneutrinos 55 gravitational radiation 55 Solar System 55 Sagittarius B2 55 microlensing events 55 X ray afterglow 55 Ontario Lacus 55 Geminids 55 NEAs 55 potentially habitable 55 Trojan asteroids 55 orbits Saturn 55 interstellar dust particles 55 supersymmetric particles 55 Galileo spacecraft 55 cosmic ray 55 Kuiper Belt 55 orbital resonance 55 planets Kepler 55 suns 55 habitable planet 55 deuterium 55 moon Titan 55 Perseus cluster 55 Cat Paw Nebula 55 Haumea 55 exoplanetary systems 55 carbonaceous chondrite 54 spiral galaxy Messier 54 proplyds 54 chondrules 54 positrons 54 Pluto 54 Hubble observations 54 nebulae 54 spacecraft flyby 54 TW Hydrae 54 Voyager spacecraft 54 arcminutes 54 VIRTIS 54 colliding galaxies 54 Trifid 54 planets circling stars 54 supermassive black holes 54 giant gaseous planets 54 moons Europa 54 Weakly Interacting Massive Particles 54 Gondolo 54 cosmic microwave background 54 HIRES spectrometer 54 supernova explosions 54 Keck telescope 54 Camelopardalis 54 RXTE 54 Carina constellation 54 Galaxy Evolution 54 inhabitable planets 54 ESA XMM Newton 54 interstellar medium 54 dust enshrouded 54 STEREO spacecraft 54 Earth magnetotail 54 primitive meteorites 54 Filippenko 54 cosmic cannibal 54 submillimeter galaxies 54 Planck satellite 54 Diviner 54 Hawking radiation 54 smallest extrasolar planet 54 Lyman alpha 54 Nasa spacecraft 54 Saturn Cassini 54 dwarf spheroidal galaxies 54 tidal bulge 54 sun corona 54 supergiant stars 54 NASA Cassini spacecraft 54 moon Deimos 54 globular star 54 Astronomers 54 extrasolar planetary systems 54 extragalactic 54 Lutetia 54 Cassini ion 54 OMEGA instrument 54 submillimeter wavelengths 54 hydrated minerals 54 X ray Observatory 54 Syrtis Major 54 eccentric orbits 54 elliptical galaxy NGC 54 Gliese #G 54 Solar TErrestrial RElations Observatory 54 X ray observatories 54 oxygen atom 54 hydroxyl molecules 54 dirty snowballs 54 Super Earths 54 NASA Far Ultraviolet 54 Higgs particle 54 X ray emitting 54 Cosmic Evolution 54 Magellanic Clouds 54 weakly interacting 54 GRB# 54 arcseconds 54 OGLE 54 Optical Gravitational Lensing Experiment 54 Bose Einstein condensate 54 muons 54 EPOXI 54 X ray observatory 54 aphelion 54 Cassini spacecraft 54 gamma ray flares 54 filamentary structure 54 circumstellar 54 Comet McNaught 54 Comet Machholz 54 gravitational waves 54 intracluster 54 silicon monoxide 54 HiRISE image 54 waxing crescent moon 54 WHIM 54 gravitational interactions 54 Saturnian system 54 Pinwheel Galaxy 54 Konacki 54 Earth magnetosphere 54 Gamma rays 54 hydrogen atoms 54 Dumbbell Nebula 54 X ray binaries 54 constellation Aquila 54 constellation Orion 54 airglow 54 Astrophysical Journal Letters 54 SOHO spacecraft 54 orbited Jupiter 54 heavily cratered 54 perigee 54 gravitational lensing 54 Noctilucent clouds 53 highly elliptical orbit 53 ESO telescope 53 ionised 53 constellation Pisces 53 spherically symmetric 53 Carina Nebula 53 subatomic particle 53 ALH# 53 Rosette Nebula 53 equatorial bulge 53 celestial objects 53 Trapezium 53 emit X rays 53 Type Ia 53 gamma rays emitted 53 photometry 53 Elenin 53 inner asteroid belt 53 Cassiopeia 53 spiral galaxy M# 53 submillimetre wavelengths 53 Ophiuchi 53 neutralino 53 phyllosilicates 53 equatorial regions 53 muon neutrinos 53 comet Lulin 53 infrared telescopes 53 lunar crust 53 retrograde orbits 53 Mimas 53 brightnesses 53 RX J# 53 heliopause 53 kelvin 53 cosmic rays 53 orbiting Chandra 53 polar craters 53 coronal mass ejection 53 Saturn outermost 53 Very Large Array 53 Extrasolar planets 53 submillimeter 53 IRAS #-# 53 outer planets 53 energetic electrons 53 Gerard Kuiper 53 RS Oph 53 smallest exoplanets 53 nebula NGC 53 Epimetheus 53 ESA Integral 53 Jovian moons 53 #P/Churyumov-Gerasimenko 53 constellation Cepheus 53 Cabeus crater 53 Saturn outermost ring 53 Leonids 53 Pleiades star 53 telescope Uranus 53 dipole moment 53 prograde 53 galactic clusters 53 moon Europa 53 photons particles 53 Cepheid variable 53 Mott insulator 53 WMAP 53 globular cluster M# 53 substorms 53 Cosmologists 53 galaxy redshift 53 Lyrids 53 Rydberg atom 53 Hipparcos 53 Lunar Prospector 53 spectroscopically 53 Charon Pluto 53 circular orbits 53 Triangulum 53 Lunokhod 53 galactic cores 53 PSR B# +# 53 Pleiades cluster 53 substorm 53 Viking landers 53 Neutron stars 53 constellation Puppis 53 magnetic monopoles 53 Exoplanet 53 blackbody 53 comet Tempel Tuttle 53 axion 53 CAIs 53 lunar perigee 53 Jupiter Saturn 53 Gravitational waves 53 gravitationally 53 IRAS 4B 53 Adam Riess 53 waxing gibbous moon 53 carbonaceous chondrites 53 fermion 53 Muchachos Observatory 53 Heliospheric Observatory SOHO 53 Trifid Nebula 53 Olympus Mons 53 GRB #A 53 solar radii 53 hydroxyl 53 orbital eccentricity 53 rotational axis 53 constellation Monoceros 53 waning crescent Moon 53 Halley comet 53 Aurigae 52 Mauna Kea Hawaii 52 Earth radii 52 YORP effect 52 Chi Cygni 52 moon Mab 52 Jupiter Saturn Uranus 52 infrared spectra 52 RRATs 52 Geminid meteors 52 planetesimals 52 VLTI 52 Saturn aurora 52 hydrogen atom 52 helium nuclei 52 sterile neutrino 52 Beehive Cluster 52 superfluid 52 nebulosity 52 Quadrantid meteor shower 52 proto cluster 52 Mars Phobos 52 Giovanni Cassini 52 gravitational interaction 52 Magellanic Stream 52 infrared telescope 52 Alpha Centauri 52 Veil Nebula 52 Microlensing 52 Perseus Cluster 52 gibbous 52 missing baryons 52 supernova remnant Cassiopeia 52 exoplanets planets outside 52 binary asteroid 52 constellation Aries 52 Jupiter Ganymede 52 asteroids 52 constellation Canis Major 52 rubidium atoms 52 planets moons 52 rocky extrasolar planet 52 Cepheus 52 ecliptic 52 Saturnian 52 constellation Coma Berenices 52 infrared observatory 52 Planetary Transits 52 Cassini 52 Global Surveyor spacecraft 52 corona 52 J#.# [001] 52 planetary transits 52 astronomer Clyde Tombaugh 52 eclipsing binaries 52 Saturnian moons 52 Jean Pierre Bibring 52 Sombrero Galaxy 52 ah dus 52 meteoroid 52 WM Keck Observatory 52 lunar poles 52 cosmological theories 52 ionised gas 52 fermions 52 energetic gamma rays 52 mantle plumes 52 asteroid 52 zodiacal dust 52 NASA Fermi Gamma 52 cosmic microwave radiation 52 polarimetry 52 comets asteroids 52 carbonate minerals 52 twin STEREO spacecraft 52 lunar meteorites 52 atoms 52 Milankovitch cycles 52 giant elliptical galaxies 52 periodic dimming 52 interstellar dust clouds 52 meteoroids 52 RHESSI 52 CMB photons 52 antiparticles 52 Compact Reconnaissance Imaging Spectrometer 52 spectra 52 unpolarized 52 Alfven waves 52 Comet NEAT 52 constellation Ara 52 Type 1a supernovae 52 relativistic particles 52 Thermal Emission Spectrometer 52 S/# [001] 52 zodiac constellations 52 blue straggler 52 Perseid shower 52 Comet Tempel Tuttle 52 Mamajek 52 NGC #A 52 Infrared Array Camera 52 neutron spectrometer 52 constellation Draco 52 telescopes astronomers 52 protoplanets 52 dwarf planet 52 reionization 52 Cosmic rays 52 waxing crescent 52 circular orbit 52 parsec 52 Anisotropy Probe WMAP 52 earthlike planets 52 celestial bodies 52 HII regions 52 planet gravitational tug 52 Cygni 51 olivine mineral 51 Spitzer infrared telescope 51 gravitational wave 51 ESO PR 51 Kepler spacecraft 51 RQ# 51 neutrino particles 51 orbiting Saturn 51 Supernovae 51 dwarf planets 51 X ray spectrometer 51 PSR B# 51 zodiacal constellations 51 Samuel Oschin Telescope 51 Keck Interferometer 51 particles WIMPs 51 moon Mimas 51 Exoplanets 51 Dwarf Planet 51 comet Wild 51 UVOT 51 SMM J# 51 shadowed craters 51 Jonathan Lunine 51 comet Hale Bopp 51 Mercury magnetosphere 51 ultraviolet imaging spectrograph 51 pseudogap 51 Saturn auroras 51 positron 51 ultracold atoms 51 Mössbauer 51 Swift Tuttle 51 galactic halo 51 Composite Infrared Spectrometer 51 cluster NGC 51 planetary nebulas 51 HUDF 51 Tycho supernova 51 Astronomical Units 51 Martian equator 51 Tarantula nebula 51 asteroids comets 51 Shackleton crater 51 PSR J# +# 51 distant supernovas 51 Kepler telescope 51 millimeter wavelength 51 Makemake 51 Astrophysicists 51 olivine 51 astronomical observations 51 gravitational wobbles 51 Einstein cosmological constant 51 Astrophysical Journal 51 asteroids orbiting 51 magnetic reconnection 51 assumed planets circling 51 COROT exo 3b 51 -# degrees centigrade [001] 51 Helix Nebula 51 cryovolcanism 51 LCROSS 51 Rayleigh scattering 51 water vapor 51 Gal Yam 51 Europa Ganymede 51 GRB 51 Capricornus 51 HESS telescopes 51 Jupiter magnetosphere 51 Heterodyne Instrument 51 cuprates 51 arcsecond 51 Saturn Jupiter Uranus 51 VHE gamma rays 51 magnetospheric