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(Click for frequent words.) 79 Beta Pictoris 72 Fomalhaut b 71 Epsilon Eridani 70 HL Tau 69 planet orbits 69 Astronomical Units 68 WASP #b 68 exoplanets orbiting 68 galaxy M# [002] 68 planet orbiting 68 red supergiant 68 Fermi telescope 67 HD#b 67 Cancri 67 Tarantula Nebula 67 Epsilon Aurigae 67 Kepler #b 67 eclipsing binary 67 Fomalhaut 67 starburst galaxy 67 Small Magellanic Cloud 67 Gliese #e 66 star Gliese 66 distant galaxy 66 galaxy NGC 66 Omega Centauri 66 extrasolar planets orbiting 66 globulars 66 Fornax cluster 66 gaseous planet 65 Kuiper belt objects 65 transiting planet 65 GQ Lupi 65 brown dwarf 65 Beta Pictoris b 65 Upsilon Andromedae 65 galaxy M# [001] 65 supergiant star 65 circumstellar disk 65 Zeta Ophiuchi 65 elliptical galaxy 65 Proxima Centauri 65 Corot 7b 65 Kuiper Belt object 65 Virgo cluster 65 protoplanetary disk 65 HD #b [002] 65 Orion nebula 65 merging galaxies 65 lensing galaxy 65 cosmic cannibal 65 G#.# +#.# 64 X ray binary 64 Ring Nebula 64 constellation Centaurus 64 planets orbiting 64 Red Rectangle 64 protoplanetary 64 GJ #b [001] 64 star Fomalhaut 64 protostar 64 arcseconds 64 sunlike stars 64 transiting planets 64 SNR #-#.# 64 Coma Cluster 64 galaxy cluster 64 Oort cloud 64 protoplanetary disks 64 TrES 4 64 Bug Nebula 64 AGNs 64 millisecond pulsar 64 reflection nebula 64 Virgo Cluster 64 Milky Way halo 64 distant quasar 64 exoplanet orbiting 64 barred spiral galaxy 64 GJ#b 64 protoplanet 64 proto cluster 64 constellation Virgo 64 giant elliptical galaxy 64 SN #A 64 interacting galaxies 64 Orion Nebula 63 baryonic 63 jovian 63 constellation Carina 63 starburst galaxies 63 Cancri e 63 Sagittarius B2 63 planetary nebulae 63 Rosette Nebula 63 luminous galaxies 63 constellation Hercules 63 occultations 63 silicate dust 63 rocky planets 63 RX J# 63 Comet Holmes 63 constellation Aquarius 63 exoplanetary 63 red supergiants 63 planets orbiting sun 63 heavily cratered 63 smallest exoplanet 63 Eagle Nebula 63 extrasolar 63 J# +# [002] 63 spectroscopically 63 interstellar cloud 63 star Proxima Centauri 63 constellation Taurus 63 BLG #Lb 63 globular star 63 Lagoon Nebula 62 foreground galaxy 62 Triangulum Galaxy 62 arcminutes 62 globular cluster 62 Andromeda galaxy 62 XO 3b 62 Scorpii 62 Henize #-# 62 moons orbiting 62 Gliese #c 62 gravitationally bound 62 Tarantula nebula 62 CoRoT #b 62 elongated orbits 62 Kuiper belt 62 elliptical galaxy NGC 62 luminosities 62 Arches Cluster 62 Trifid Nebula 62 Eta Carinae 62 planemos 62 circumstellar 62 sized planets orbiting 62 constellation Andromeda 62 Kepler 9c 62 dwarf galaxy 62 supermassive 62 cosmological distances 62 Large Magellanic Cloud 62 constellation Aries 62 supernova explosion 62 Mpc 62 Syrtis Major 62 KBOs 62 interstellar dust clouds 62 gravitational microlensing 62 Cat Paw Nebula 62 Coma cluster 62 BLG #L 62 X ray binaries 62 UDFy # 62 Magnetars 62 distant quasars 62 brightest supernova 62 eccentric orbits 62 HD# [002] 62 supernova remnants 62 CoRoT 62 CoRoT 7b 61 star Beta Pictoris 61 protostars 61 Upsilon Andromedae b 61 binary quasar 61 Charon Pluto 61 Cygnus Lyra region 61 spiral galaxy NGC 61 proplyds 61 sunlike star 61 IRAS #-# 61 magnetars 61 planet HD #b 61 GALEX 61 intrinsic brightness 61 SN #gy 61 constellation Pegasus 61 occulted 61 lunar crust 61 mu Arae 61 planetary nebula 61 Gliese #g 61 brown dwarfs 61 zodiac constellations 61 exo planets 61 supernova remnant 61 exoplanets planets 61 microlensing 61 moon Io 61 COROT 7b 61 spiral galaxy 61 planets orbits 61 X ray emission 61 Kuiper Belt Objects 61 VY Canis Majoris 61 constellation Ursa Major 61 protoplanetary discs 61 OGLE TR #b 61 moonlet 61 active galactic nuclei 61 metallicity 61 tidally locked 61 RY Sagittarii 61 nebular 61 constellation Cetus 61 PSR J# 61 supergiant stars 61 constellation Cassiopeia 61 La Silla Chile 61 elliptical galaxies 61 Kuiper Belt Object 61 V# Mon 61 star Spica 61 planets orbiting distant 61 XTE J# 61 active galactic nucleus 61 Sedna 61 TrES 61 quasar 60 type Ia supernova 60 PSR B# +# 60 BP Piscium 60 super Earths 60 cluster NGC 60 Antennae Galaxies 60 perihelion 60 HD# [005] 60 volcanic moon Io 60 Epsilon Indi 60 gravitational interaction 60 ESO VLT 60 constellation Sagittarius 60 retrograde orbit 60 Gliese #d 60 galactic disk 60 GJ #b [002] 60 gamma ray burst 60 magnetar 60 Keck telescope 60 comets orbiting 60 MG J# +# 60 exosphere 60 celestial object 60 Herbig Ae Be 60 extrasolar planet 60 Bok globules 60 submillimetre wavelengths 60 inner asteroid belt 60 planet Gliese #g 60 moons Phobos 60 planets circling 60 circumstellar disks 60 ultraviolet wavelengths 60 trans Neptunian objects 60 Perseus Cluster 60 Milky Way Galaxy 60 Neutron stars 60 constellation Cygnus 60 Milky Way galaxy 60 HD #b [001] 60 HAT P 60 supernova SN 60 GRB #B 60 spiral galaxy Messier 60 Corot 9b 60 inhabitable planets 60 blue supergiant 60 Oort Cloud 60 globular cluster M# 60 circumstellar dust 60 Comet Tempel Tuttle 60 HIP #b 60 redshift 60 Comet Halley 60 Type Ia supernova 60 NGC# 60 extrasolar planets 59 Wolf Rayet stars 59 asteroidal 59 infall 59 extragalactic 59 Helix nebula 59 arcsecond 59 ionized hydrogen 59 Puppis 59 globular clusters 59 smallest extrasolar planet 59 zodiacal dust 59 XMM Newton 59 Pleiades cluster 59 Andromeda Galaxy 59 outermost planet 59 filamentary structure 59 OGLE TR 59 CoRoT satellite 59 fainter objects 59 arcsec 59 icy moons 59 hypervelocity stars 59 spectroscopic observations 59 photosphere 59 Betelgeuse 59 X ray observatory 59 planetary Transits 59 faint smudge 59 constellation Auriga 59 phyllosilicates 59 spherical halo 59 RXTE 59 orbital eccentricity 59 AB Aurigae 59 nebula 59 Orion constellation 59 Hot Jupiters 59 innermost planet 59 coronagraph 59 stellar occultation 59 celestial sphere 59 P/# A2 59 microquasar 59 Kuiper Belt objects 59 Earthlike 59 Saturnian moons 59 redshifts 59 Konacki 59 SN #C 59 Eridani 59 X ray observatories 59 Galilean moons 59 Dumbbell Nebula 59 Samuel Oschin Telescope 59 neutron star 59 chromosphere 59 R Coronae Borealis 59 Delta Cephei 59 transiting exoplanet 58 kpc 58 GRB # 58 galaxy 58 constellation Scorpius 58 Jupiter moon Io 58 microlensing events 58 galactic mergers 58 Triangulum 58 AUs 58 Kuiper belt object 58 carbonaceous chondrites 58 spinning neutron 58 KH #D 58 Hanny Voorwerp 58 IRC +# 58 Quaoar 58 Cepheid variables 58 constellation Eridanus 58 Earth radii 58 orbits 58 Keck Interferometer 58 supernova 58 accretion disk 58 HM Cancri 58 dust enshrouded 58 Jupiter Ganymede 58 zodiacal light 58 TW Hydrae 58 constellation Libra 58 exoplanet 58 orbits Saturn 58 Earthlike planets 58 Wolf Rayet star 58 Extrasolar planets 58 CoRoT 9b 58 exosolar planets 58 Carina Nebula 58 Doradus 58 SN #D 58 SN#A 58 SDSS II 58 Comet Lulin 58 gravitational lens 58 galaxies 58 millisecond pulsars 58 stellar nurseries 58 solar radii 58 ESO PR 58 Crab Nebula 58 Gliese 58 Stephan Quintet 58 Makemake 58 dwarf galaxies 58 Evolution Explorer 58 Solar TErrestrial RElations Observatory 58 hydrated minerals 58 X ray telescopes 58 planets 58 prograde 58 equatorial bulge 58 X ray wavelengths 58 retrograde orbits 58 Aurigae 58 gaseous planets 58 constellation Lyra 58 planetary nebulas 58 planet Uranus 58 spiral galaxy M# 58 Pegasi 58 RS Ophiuchi 58 faint galaxies 58 optical wavelengths 57 gravity warps 57 GRBs 57 Ontario Lacus 57 X ray emitting 57 extrasolar planetary systems 57 nebulosity 57 comet Tempel Tuttle 57 proto planetary disk 57 baryon 57 Mauna Kea Hawaii 57 distant supernovae 57 infrared spectral 57 permanently shadowed craters 57 magma ocean 57 galactic halo 57 ROSAT 57 gravitational perturbations 57 exoplanets 57 solar corona 57 exo planet 57 planet WASP #b 57 Pluto Charon 57 HARPS spectrograph attached 57 RRATs 57 planets orbiting stars 57 S/# P2 57 emission nebula 57 visible wavelengths 57 gamma ray observatory 57 J#.# [001] 57 ray Space Telescope 57 orbital resonance 57 filamentary structures 57 SMBH 57 radial velocity 57 ESO telescope 57 mineral olivine 57 Saturn Cassini 57 moon Ganymede 57 comet McNaught 57 optical telescopes 57 Type Ia 57 quasars 57 outer corona 57 infrared telescopes 57 chondrites 57 TNOs 57 redshifted 57 protoplanets 57 HARPS instrument 57 rotating neutron 57 electrons orbiting 57 submillimetre 57 Lulin 57 Voorwerp 57 Galaxy Evolution 57 spatially resolved 57 waxing crescent 57 COROT 57 protoplanetary disc 57 Kepler 9b 57 intracluster 57 Spitzer Space Telescope 57 VB #b 57 Butterfly Nebula 57 periodic dimming 57 Candor Chasma 57 Omega Nebula 57 planet Gliese #c 57 terrestrial planets 57 Olympus Mons 57 meteoritic material 57 giant elliptical galaxies 57 planets Uranus 57 coronal loops 57 Helix Nebula 57 brightnesses 56 constellation Leo 56 distant galaxy clusters 56 Hubble observations 56 planets moons 56 waning gibbous 56 planets asteroids 56 velocity dispersion 56 Toutatis 56 galaxy Andromeda 56 ESA XMM Newton 56 largest moon Charon 56 infrared wavelengths 56 redshift z = 56 Earth magnetotail 56 unaided eye 56 colliding galaxies 56 z = 56 umbral 56 lunar craters 56 constellation Perseus 56 observable universe 56 distant galaxies 56 SMM J# 56 Lyman alpha 56 Ulysses spacecraft 56 Geminga 56 blazar 56 blue straggler 56 asteroids orbiting 56 asterism 56 CAIs 56 constellation Puppis 56 Hellas Basin 56 Tau Ceti 56 Keck Telescope 56 type Ia supernovae 56 relativistic jets 56 comet Lulin 56 subsurface ocean 56 proto galaxies 56 PZ Tel 56 constellation Bootes 56 Comet Elenin 56 fainter 56 Gravitational lensing 56 starlike object 56 solar nebula 56 strange quark 56 ejecta blanket 56 planet TrES 56 YORP effect 56 Pleiades star 56 Cygni 56 lunar highlands 56 Eridanus 56 extrasolar planet HD #b 56 geologically active 56 Seyfert galaxies 56 gravitational lenses 56 astrophysical objects 56 Pluto Eris 56 weakly interacting 56 HiRISE image 56 ULIRGs 56 Milky Way 56 Crab Pulsar 56 gibbous 56 Saturn outermost ring 56 Trojan asteroids 56 tidal bulge 56 magnetic polarity 56 BP Psc 56 dwarf spheroidal 56 Pinwheel Galaxy 56 VLTI 56 infrared telescope 56 HIRES spectrometer 56 airglow 56 spacecraft flyby 56 constellation Vulpecula 56 electron neutrinos 56 constellation Orion 56 earthlike planets 56 telescopic observations 56 galactic bulge 56 comet Hale Bopp 56 pulsar 56 faintest galaxies 56 highly magnetized neutron 56 supernova explosions 55 planet transits 55 IRAS 4B 55 Tauri Sb 55 elliptical orbits 55 Cepheids 55 Quadrantids 55 NASA Wilkinson Microwave 55 gravitational interactions 55 supernovae 55 Mandushev 55 Submillimeter Array 55 Ringed Planet 55 spiral nebulae 55 Dwarf galaxies 55 Galileo spacecraft 55 emit X rays 55 moon Mimas 55 planetesimal 55 orbiting Gliese 55 Andromeda Galaxy M# 55 galactic cosmic rays 55 stellar occultations 55 PKS #-# 55 Subaru telescope 55 Phoebe orbits 55 Kuiper Belt 55 Carina constellation 55 eclipsing binaries 55 moonlets 55 Pieter van Dokkum 55 coronal loop 55 slender crescent 55 transiting exoplanets 55 astronomers 55 ionised gas 55 masers 55 nicknamed Xena 55 dense clumps 55 nebula NGC 55 baryonic matter 55 constellation Ophiuchus 55 GRB# 55 primitive meteorites 55 Alycia Weinberger 55 polar mesospheric clouds 55 R#a# 55 telescope atop Mauna 55 Jovian moons 55 #P/Churyumov-Gerasimenko 55 radial velocity method 55 submillimeter galaxies 55 Keck telescopes 55 filamentary 55 Cepheid variable 55 gamma ray emission 55 rotating neutron stars 55 interstellar dust particles 55 Shackleton crater 55 rotational axis 55 submillimeter 55 orbiting Chandra 55 elongated orbit 55 S/# [001] 55 Camelopardalis 55 Gravitational waves 55 binary asteroid 55 Veil Nebula 55 infalling gas 55 Iapetus 55 aphelion 55 Nili Fossae 55 X ray afterglow 55 Hubble Ultra 55 X ray Observatory 55 hematite mineral 55 constellation Aquila 55 X ray spectrometer 55 Spitzer infrared 55 Valles Marineris 55 HESS telescopes 55 Bullet Cluster 55 olivine 55 X ray pulses 55 cometary material 55 SMBHs 55 Murchison meteorite 55 carbonaceous chondrite 55 Uranus Neptune 55 rocky extrasolar planet 55 gravitationally lensed 55 Arsia Mons 55 chondrules 55 Beehive Cluster 55 Field Imager 55 Sagittarius dwarf galaxy 55 habitable zones 55 magnetospheric 55 Comet Hartley 55 moon Enceladus 55 z ~ 55 diffraction patterns 55 crystalline silicates 55 HII regions 55 supernovae explode 55 dust mote 55 Comet Machholz 55 galactic clusters 55 galaxy clusters 55 Jovian moon 55 constellations Cygnus 55 lunar meteorites 55 planetary transits 55 Saturnian moon 54 Saturnian system 54 cometary debris 54 Very Large Telescope 54 Aram Chaos 54 earthshine 54 Haumea 54 habitable planets 54 Methone 54 Pegasus constellation 54 WM Keck Observatory 54 spiral galaxies 54 Hale Bopp 54 WMAP satellite 54 noctilucent clouds 54 Mercury magnetosphere 54 silicon monoxide 54 radial velocity technique 54 spheroidal 54 Arabia Terra 54 outermost planets 54 Elenin 54 Mössbauer 54 supermassive black hole 54 gravitational tugs 54 accreting 54 lunar equator 54 Thermal Emission Spectrometer 54 Hipparcos 54 volcanically active 54 moons circling 54 starlike 54 spectroscopic measurements 54 chemical abundances 54 ringed planet 54 dwarf spheroidal galaxies 54 galactic nuclei 54 basaltic rocks 54 Subaru Telescope 54 ionized gas 54 potentially habitable planets 54 Convection Rotation 54 dipole moment 54 Churyumov Gerasimenko 54 Planetary Transits 54 auroral emissions 54 Wilkinson Microwave Probe 54 planet HD#b 54 Saturn moon Iapetus 54 ejecta 54 Cassini flyby 54 discover Fomalhaut 54 Gamma ray bursts 54 Comet Hartley 2 54 constellation Coma Berenices 54 dynamical evolution 54 faintly visible 54 SINFONI 54 Canes Venatici 54 hypervelocity star 54 proto planetary disks 54 orbiting 54 southern constellation Carina 54 chondritic meteorites 54 cosmic magnifying glass 54 Observatory Very 54 gravitational tides 54 astronomer Clyde Tombaugh 54 asteroids comets 54 umbral shadow 54 Maunder minimum 54 gravitational wobbles 54 axions 54 equatorial 54 Martian meteorites 54 Cepheus 54 relativistic particles 54 antiparticle 54 Trapezium 54 galaxies collide 54 submillimeter wavelength 54 SNe Ia 54 Saturn Jupiter Uranus 54 Magellanic Clouds 54 called gravitational microlensing 54 Active Galactic Nuclei 54 Orionids 54 Galilean satellites 54 moons 54 highly elliptical orbits 54 Komossa 54 Comet McNaught 54 nucleosynthesis 54 Explorer WISE 54 Cygnus X 54 VIRTIS 54 planetoid 54 Infrared Mapping Spectrometer VIMS 54 GRB #A 54 gravitationally 54 reionization 54 accretion disks 54 comet 54 Earthlike planet 54 exoplanet hunter 54 novae 54 orbited Jupiter 54 Horsehead Nebula 54 Higgs bosons 54 moon Charon 54 Capricornus 54 plagioclase 54 VISTA telescope 54 AKARI 53 astronomical objects 53 astrometry 53 axial tilt 53 Mimas 53 Earths orbiting 53 Caloris 53 Heliospheric Observatory SOHO 53 elemental composition 53 spectral measurements 53 Trifid 53 SIRTF 53 parsec 53 galactic cores 53 stony meteorites 53 muon neutrino 53 Spitzer infrared spectrograph 53 Anisotropy Probe WMAP 53 Muchachos Observatory 53 NEAs 53 Type 1a supernovae 53 pulsars 53 Sombrero Galaxy 53 orbiting planets 53 Comet Encke 53 Saturn Enceladus 53 moon Deimos 53 Epimetheus 53 WISE telescope 53 interstellar dust 53 weak gravitational lensing 53 Ophiuchi 53 optical telescope 53 moon Mab 53 interplanetary dust 53 moons Europa 53 baryons 53 constellation Cepheus 53 Tempel Tuttle 53 IR wavelengths 53 SEGUE 53 highly elliptical orbit 53 YU# 53 Mini TES 53 Swift Tuttle 53 galaxy redshift 53 waning crescent 53 neutron stars 53 MPG ESO 53 retroreflector 53 constellation Ara 53 interstellar grains 53 Monoceros 53 earthlike 53 linearly polarized 53 Saturn magnetosphere 53 Saturn outermost 53 Terra Sirenum 53 dimming starlight 53 collisional 53 thin crescent 53 interstellar boundary 53 infrared astronomy 53 NGC #A 53 Venusian atmosphere 53 Phaethon 53 CMB radiation 53 tholins 53 Viking Lander 53 shadowed craters 53 spherically symmetric 53 V# Sgr 53 planets comets 53 Infrared Thermal Imaging Spectrometer 53 Chilean Atacama Desert 53 Mount Stromlo Observatory 53 starlight 53 PSR B# 53 constellation Pisces 53 Hubble Space Telescope HST 53 polarimetry 53 COROT exo 3b 53 ultraluminous galaxy 53 Spectrograph 53 comet nucleus 53 telescope Uranus 53 gamma ray flares 53 helium atoms 53 smallest exoplanets 53 Comet Hale Bopp 53 silicate mantle 53 planetary embryos 53 Lyrae 53 interstellar dust grains 53 infrared wavelength 53 RS Oph 53 HUDF 53 shadowy craters 53 spinels 53 Serpens Cauda 53 waxing crescent moon 53 meteoroids 53 XMM Newton satellite 53 Corona Australis 53 baryon acoustic oscillations 53 SOHO spacecraft 53 infrared spectra 53 Mars Phobos 53 planets circling stars 53 shorter wavelengths 53 sun corona 52 interstellar medium 52 sodium atoms 52 Baptistina 52 Galactic cosmic rays 52 Noctilucent clouds 52 Type Ia supernovas 52 constellation Monoceros 52 WISE spacecraft 52 silicate crystals 52 IBEX spacecraft 52 Gemini constellation 52 spectra 52 NICMOS 52 pyroxene 52 mineralogical composition 52 Gemini telescopes 52 active volcanism 52 Valles Marineris canyon 52 hot Jupiters 52 spectroscopic 52 Wolszczan 52 magnetic dynamo 52 Orionid meteors 52 ESO Very Large Telescope 52 Carinae 52 obscuration 52 Globular clusters 52 RMC #a 52 Goldilocks planet 52 cosmic phenomena 52 Neptune Uranus 52 Comet NEAT 52 TSN PZ camera 52 submillimeter wavelengths 52 Cosmic Microwave Background 52 Exoplanets 52 dustier stormier atmosphere 52 Planetary nebulae 52 galactic cannibalism 52 SCP #F# 52 lunar maria 52 CHARA 52 multiband imaging photometer 52 albedo reflectivity 52 Shackleton Crater 52 blazars 52 Pancam 52 diffuse aurora 52 asteroid Vesta 52 silicate grains 52 polar vortex 52 silicates 52 Ohmoto 52 Caloris Basin 52 inner Oort Cloud 52 perigee 52 occultation 52 Descent Imager Spectral Radiometer 52 olivines 52 SNe 52 heliopause 52 gravitational wobble 52 Saturn moon Mimas 52 neutrino mass 52 penumbral shadow 52 #x magnification [002] 52 Orionid 52 elemental abundances 52 Quadrantid meteor shower 52 plutoids 52 suns 52 located atop Mauna 52 extrasolar planetary 52 rocky terrestrial planets 52 antineutrinos 52 Neptunian 52 T Tauri 52 magnetotail 52 Jenniskens 52 ε 52 RHESSI 52 gravitational radiation