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(Click for frequent words.) 71 merging galaxies 69 globular cluster 69 red supergiant 69 supermassive 69 planetary nebulae 68 elliptical galaxy 68 brown dwarfs 68 protostar 68 magnetar 68 dwarf galaxy 68 AGNs 68 GQ Lupi 67 Omega Centauri 67 protostars 67 elliptical galaxies 67 planemos 67 globular clusters 67 active galactic nuclei 67 Neutron stars 67 protoplanets 67 circumstellar disks 66 brown dwarf 66 X ray binary 66 galaxy M# [002] 66 GRBs 66 rocky planets 66 accretion disk 66 neutron star 66 HM Cancri 66 distant galaxy 66 magnetars 66 KBOs 66 eclipsing binary 66 globulars 65 galaxies 65 Upsilon Andromedae 65 Eta Carinae 65 eccentric orbits 65 Fornax cluster 65 millisecond pulsars 65 protoplanetary disk 65 protoplanet 65 WASP #b 65 galaxy cluster 65 Kuiper Belt objects 65 Beta Pictoris b 65 galactic mergers 65 neutralinos 65 SN #A 65 gravitational interactions 65 exoplanets orbiting 64 Antennae Galaxies 64 millisecond pulsar 64 planetary nebula 64 planetary embryos 64 gaseous planet 64 Epsilon Eridani 64 BP Psc 64 Virgo cluster 64 red supergiants 64 protoplanetary disks 64 gravitationally 64 SMBH 64 Beta Pictoris 64 Wolf Rayet star 64 dwarf galaxies 64 AB Aurigae 64 galaxy NGC 64 habitable zones 64 Milky Way halo 64 Gliese #c 64 nebular 64 SN#A 64 circular orbits 64 circumstellar disk 64 SN #gy 64 luminous galaxies 63 elongated orbits 63 spiral galaxies 63 Kuiper Belt object 63 supergiant star 63 transiting planet 63 moons orbiting 63 Oort Cloud 63 planets orbits 63 starburst galaxies 63 gaseous planets 63 dense clumps 63 Andromeda galaxy 63 galaxy clusters 63 SN #C 63 constellation Ursa Major 63 galactic disk 63 interstellar clouds 63 planets orbiting distant 63 starburst galaxy 63 rotating neutron stars 63 Fomalhaut b 63 CoRoT #b 63 interstellar cloud 63 Earthlike planets 63 quasars 63 neutron stars 63 hypervelocity stars 63 Bok globules 63 infalling 63 planets 63 Kuiper belt object 63 lensing galaxy 62 proto cluster 62 trans Neptunian objects 62 galaxy formation 62 AU Mic 62 super Earths 62 supernova explosion 62 planet orbits 62 supermassive black holes 62 accreting 62 X ray binaries 62 supernova remnants 62 galaxies collide 62 circumstellar 62 TrES 4 62 accretion disks 62 planets moons 62 planetesimals 62 supermassive black hole 62 GJ#b 62 plutoids 62 Triangulum 62 transiting planets 62 nebula 62 quasar 62 supernovae 62 Wolf Rayet stars 62 Oort cloud 62 blue supergiant 61 Red Rectangle 61 Small Magellanic Cloud 61 antiparticles 61 giant elliptical galaxy 61 galactic clusters 61 galaxy M# [001] 61 Gliese #g 61 Type Ia supernovae 61 globular star 61 foreground galaxy 61 infall 61 baryonic 61 Kuiper belt 61 galactic cores 61 Milky Way galaxy 61 moonlet 61 protoplanetary discs 61 gravitational microlensing 61 planet orbiting 61 exoplanet orbiting 61 planet HD #b 61 active galactic nucleus 61 stellar nurseries 61 Henize #-# 61 axions 61 moonlets 61 sunlike stars 61 sunlike star 61 blue straggler 61 Type Ia supernova 61 Virgo Cluster 61 interacting galaxies 61 supergiant stars 61 cluster NGC 61 mu Arae 61 distant quasar 61 Kepler #b 61 X ray emission 61 Gliese #d 61 Cepheids 61 Milky Way Galaxy 61 Milky Way 61 Gamma ray bursts 61 highly magnetized neutron 61 constellation Taurus 61 inhabitable planets 61 constellation Aquarius 61 spiral nebulae 61 earthlike planets 61 neighboring Andromeda galaxy 61 Higgs bosons 60 constellation Virgo 60 planets orbiting 60 HD #b [002] 60 cosmological distances 60 spherical halo 60 radial velocity 60 HL Tau 60 retrograde orbits 60 star Gliese 60 cosmic cannibal 60 terrestrial planets 60 habitable planets 60 HAT P 60 icy moons 60 baryons 60 microquasar 60 extrasolar 60 comets orbiting 60 Hanny Voorwerp 60 distant quasars 60 protoplanetary 60 type Ia supernova 60 observable universe 60 orbiting planets 60 spiral galaxy 60 Corot 7b 60 antiparticle 60 intrinsic brightness 60 proto galaxies 60 constellation Sagittarius 60 silicate dust 60 Large Magellanic Cloud 60 GJ #b [001] 60 HD#b 60 proto planetary disks 60 Gravitational waves 60 Voorwerp 60 sized planets orbiting 60 Pleiades cluster 60 J# +# [002] 60 WIMPs 60 rotating neutron 60 supernova explosions 60 Coma Cluster 60 galactic halo 60 BLG #Lb 60 Coma cluster 60 Type 1a supernovae 60 planets orbiting sun 60 giant elliptical galaxies 60 elliptical galaxy NGC 59 Kuiper belt objects 59 supernova remnant 59 Kuiper Belt Objects 59 redshifts 59 Globular clusters 59 hadrons 59 blazars 59 supersymmetric particles 59 Zeta Ophiuchi 59 SMBHs 59 relativistic jets 59 relativistic particles 59 Pluto Charon 59 submillimeter galaxies 59 planet transits 59 ejecta 59 spinning neutron 59 XTE J# 59 P/# A2 59 proplyds 59 unaided eye 59 constellation Cassiopeia 59 Andromeda Galaxy 59 Type Ia 59 Herbig Ae Be 59 binary quasar 59 galaxy 59 Tarantula Nebula 59 spherically symmetric 59 Bug Nebula 59 planets asteroids 59 reflection nebula 58 extrasolar planets 58 supernovae explode 58 chondrules 58 weakly interacting 58 Corot 9b 58 asteroids orbiting 58 type Ia supernovae 58 Trojan asteroids 58 chemical abundances 58 Cancri 58 Epsilon Aurigae 58 colliding galaxies 58 massless particles 58 supernova 58 retrograde orbit 58 galactic nuclei 58 Orion nebula 58 hot Jupiters 58 gravitational wave 58 V# Mon 58 HD# [002] 58 baryon 58 Helmi stream 58 dwarf spheroidal galaxies 58 NGC #A 58 planets circling 58 UDFy # 58 GJ #b [002] 58 celestial object 58 ULIRGs 58 gravitational interaction 58 BP Piscium 58 protoplanetary disc 58 smallest exoplanet 58 gravitational lenses 58 Gemini constellation 58 exo planets 58 occulted 58 Elliptical galaxies 58 tidal tails 58 orbits 58 ionized gas 58 filamentary structures 58 metallicity 58 Arches Cluster 58 RX J# 58 Tarantula nebula 58 constellation Centaurus 58 solar nebula 58 dynamical evolution 58 luminosities 58 extragalactic 58 SN #D 58 constellation Leo 58 eclipsing binaries 58 novae 58 Magellanic Clouds 58 constellation Carina 58 photosphere 58 constellation Hercules 58 nebulae 58 PSR J# 57 Eagle Nebula 57 tidally locked 57 Earths orbiting 57 microlensing 57 Seyfert galaxies 57 distant galaxy clusters 57 constellation Perseus 57 RS Ophiuchi 57 exoplanet 57 Magnetars 57 supernovas 57 Upsilon Andromedae b 57 gamma ray burst 57 electroweak 57 filamentary structure 57 gravitational tugs 57 emit X rays 57 Schwarzschild radius 57 fainter objects 57 Kepler 9c 57 Orion Nebula 57 Carina constellation 57 supermassive stars 57 pulsars 57 barred spiral galaxy 57 distant galaxies 57 periodic dimming 57 Weakly Interacting Massive Particles 57 pulsar 57 Earthlike planet 57 planets comets 57 reionization 57 orbits Saturn 57 habitable planet 57 orbital resonance 57 CoRoT 7b 57 IRAS #-# 57 NGC# 57 elliptical orbits 57 interstellar dust 57 VY Canis Majoris 57 neutralino 57 MG J# +# 57 exosolar planets 57 Earthlike 57 Sagittarius dwarf galaxy 57 planetary nebulas 57 GRB #B 57 Gliese #e 57 supernovae explosions 57 spectroscopically 57 quark gluon plasma 57 exoplanets 57 quantum particle 57 interstellar medium 57 blazar 57 superdense 57 ionise 57 extrasolar planets orbiting 57 redshift 57 Kuiper Belt Object 57 inner Oort Cloud 57 GRB # 56 Fermi telescope 56 zodiacal light 56 Trapezium 56 Hot Jupiters 56 nucleons 56 energetic gamma rays 56 plutons 56 Proxima Centauri 56 extrasolar planetary systems 56 Supernovae 56 orbiting 56 planetesimal 56 filamentary 56 constellation Andromeda 56 Dumbbell Nebula 56 dust enshrouded 56 redshifted 56 moon Ganymede 56 binary asteroids 56 G#.# +#.# 56 dwarf planets 56 gravitational lens 56 Perseus Cluster 56 Rosette Nebula 56 COROT exo 3b 56 Planetary nebulae 56 planets Uranus 56 silicates 56 dirty snowballs 56 asteroid Ceres 56 giant gaseous planets 56 silicon monoxide 56 planets orbiting stars 56 OGLE TR #b 56 Ring Nebula 56 Geminga 56 ecliptic 56 Galilean moons 56 comets asteroids 56 Stephan Quintet 56 TrES 56 outermost planets 56 asteroidal 56 supernova SN 56 cometary material 56 antimatter particles 56 fainter 56 microlensing events 56 interstellar dust clouds 56 occultations 56 Lagoon Nebula 56 X ray telescopes 56 constellation Lyra 56 SMM J# 56 PSR B# +# 56 Comet Holmes 56 rotational axis 56 Makemake 56 Quadrantids 56 Triangulum Galaxy 56 Type Ia supernovas 56 TW Hydrae 56 COROT 56 electron neutrinos 56 Bullet Cluster 56 antineutrinos 56 deuterium atoms 56 spinning neutron stars 56 asterism 56 star Beta Pictoris 56 positrons 55 Puppis 55 planet Uranus 55 lunar crust 55 emission nebula 55 gamma ray bursts 55 galactic bulge 55 optical wavelengths 55 Carina Nebula 55 permanently shadowed craters 55 infalling gas 55 GALEX 55 supersymmetric 55 XO 3b 55 planet WASP #b 55 astronomers 55 intracluster 55 Cat Paw Nebula 55 R Coronae Borealis 55 constellation Pegasus 55 W boson 55 VLBA observations 55 gravitational attraction 55 Phoebe orbits 55 Saturn Jupiter Uranus 55 SDSS II 55 constellation Cetus 55 interstellar dust grains 55 Pluto Eris 55 tau neutrinos 55 star Proxima Centauri 55 olivine 55 UB# [003] 55 plutoid 55 ionized hydrogen 55 Trifid Nebula 55 electrons orbiting 55 hydrogen helium 55 nucleosynthesis 55 dwarf spheroidal 55 muons 55 Monoceros 55 habitable worlds 55 Toutatis 55 spheroidal 55 carbonaceous chondrite 55 constellation Cygnus 55 Eridani 55 RY Sagittarii 55 molten magma 55 Mandushev 55 Phaethon 55 Venusian atmosphere 55 distant supernovae 55 Cepheid variables 55 leptons 55 planet Gliese #g 55 CoRoT 9b 55 Sagittarius B2 55 potentially habitable 55 Pleiades star 55 BLG #L 55 nucleon 55 sterile neutrinos 55 asteroids comets 55 muon neutrinos 55 subatomic particle 55 HIP #b 55 Sedna 55 planetoids 55 particles WIMPs 55 spectroscopic observations 55 masers 55 Galilean satellites 55 diffract 55 diffuse aurora 54 boson 54 R#a# 54 superposed 54 constellation Scorpius 54 constellation Auriga 54 hypernova 54 nebulosity 54 arcseconds 54 OGLE TR 54 Higgs particle 54 Neptune Uranus 54 detect gravitational waves 54 radial velocity technique 54 strangelets 54 planet Gliese #c 54 comets 54 dense neutron stars 54 moon Io 54 exoplanets planets 54 Spiral galaxies 54 emits X rays 54 nuclei 54 inner asteroid belt 54 PSR J# +# 54 Crab Nebula 54 boron atoms 54 Hyades 54 runaway thermonuclear 54 hydrogen nuclei 54 IRAS 4B 54 Tauri Sb 54 meteoroids 54 cosmic ray collisions 54 asteroids 54 magma ocean 54 oblate spheroid 54 Saturn rings 54 unpolarized 54 atomic nuclei 54 gamma rays 54 CoRoT 54 relativistic protons 54 supercontinent 54 VLTI 54 constellation Draco 54 Jupiter Saturn Uranus 54 extrasolar planet 54 astrophysicists 54 constellation Gemini 54 ultraviolet photons 54 cosmic phenomena 54 solar corona 54 comet nucleus 54 Cygnus X 54 sterile neutrino 54 shorter wavelengths 54 Betelgeuse 54 planetoid 54 X ray wavelengths 54 brightnesses 54 distant suns 54 whiz harmlessly 54 gamma rays emitted 54 Butterfly Nebula 54 jovian 54 HIRES spectrometer 54 chondrites 54 helium nuclei 54 HII regions 54 Active Galactic Nuclei 54 Konacki 54 Pulsars 54 atoms 54 exoplanetary 54 mesons 54 brightest supernova 54 spherules 54 X ray emitting 54 torus 54 Quaoar 54 radial velocity method 54 helium atoms 54 neutrino 53 GeV 53 Saturn moons 53 crystalline silicates 53 strange quark 53 phyllosilicates 53 tholins 53 Saturn outermost ring 53 cosmological theories 53 hydrated minerals 53 B mesons 53 Cancri e 53 Kuiper Belt 53 planetary orbits 53 star Fomalhaut 53 meteoritic material 53 spacetime 53 Saturnian moons 53 Doradus 53 COROT 7b 53 muon neutrino 53 binary asteroid 53 QQ# 53 gravitational radiation 53 Hawking radiation 53 astronomical objects 53 HD #b [001] 53 X ray pulses 53 Syrtis Major 53 village Deerlick 53 superfluid 53 stellar occultation 53 X ray observatories 53 Jupiter Ganymede 53 gamma ray emitting 53 AUs 53 polystyrene spheres 53 meteor impacts 53 Churyumov Gerasimenko 53 Evolution Explorer 53 #P/Churyumov-Gerasimenko 53 bosons 53 excitons 53 solar radii 53 IntergalaticEarth 53 hydrostatic equilibrium 53 Samuel Oschin Telescope 53 IRC +# 53 gravitational waves 53 SN #E 53 afterglows 53 Helix Nebula 53 spiral galaxy NGC 53 S/# P2 53 Alfven waves 53 assumed planets circling 53 Bose Einstein Condensate 53 electron neutrino 53 RMC #a 53 particle detectors 53 Comet Tempel Tuttle 53 supercontinents 53 radial velocities 53 strangelet 53 Pieter van Dokkum 53 Orionids 53 Keck Interferometer 53 Jupiter moons 53 icy comets 53 #gy 53 impactors 53 Supernova #A 53 Bose Einstein condensates 53 moons Io 53 novas 53 constellation Aries 53 kaons 53 Gondolo 53 carbonate minerals 53 Haumea 53 prograde 53 rocky extrasolar planet 53 zodiac constellations 53 icosahedral 53 radioactive nuclei 53 sodium atoms 53 Spitzer Space Telescope 53 afterglows linger 53 proto planetary disk 52 constellation Vulpecula 52 Jovian moons 52 ionised 52 HD# [005] 52 magnetospheric 52 unmistakable primordial signs 52 Bose Einstein condensate 52 bosonic 52 Trifid 52 Scorpii 52 SNR #-#.# 52 van Arkel discovery 52 carbonaceous chondrites 52 CoRoT satellite 52 KH #D 52 Hubble observations 52 energetic cosmic rays 52 emit photon 52 spatial dimensions 52 elongated orbit 52 axion 52 optical telescopes 52 celestial bodies 52 Geminid meteors 52 trimers 52 Io Europa 52 Wolfgang Brandner 52 supersymmetry 52 thermonuclear reactions 52 Crab Pulsar 52 carbon cenospheres 52 occultation 52 gamma ray emission 52 fermions 52 protons neutrons 52 Hyades cluster 52 volcanic moon Io 52 prokaryote 52 outermost planet 52 potassium atoms 52 polaritons 52 Type 1a supernova 52 inner moons 52 Earth radii 52 Kazantzidis 52 gravitational perturbations 52 Baptistina 52 stony meteorites 52 exosphere 52 moons Phobos 52 ESO PR 52 hydrogen atoms 52 smallest extrasolar planet 52 coronagraph 52 Laurasia 52 asteroid 52 moon Mab 52 Pegasus constellation 52 highly elliptical orbits 52 lunar craters 52 moon Charon 52 spinning pulsar 52 PSR B# 52 gravitational lensing 52 baryonic matter 52 asteroid belt 52 Hipparcos 52 Uranus Jupiter 52 CAIs 52 Orion constellation 52 Venus Uranus 52 exo planet 52 transiting exoplanet 52 Comet NEAT 52 Pleiades 52 galactic collisions 52 chlorophyll molecules 52 constellation Eridanus 52 phonons 52 photometry 52 Dwarf galaxies 52 Io Europa Ganymede 52 airbursts 52 Mushotzky 52 TNOs 52 Tianyulong 52 Supermassive black 52 Ursa Minor 52 outer corona 52 SUSY 52 comet 52 silicate minerals 52 exciton 52 noctilucent clouds 52 Geminids 52 Cygnus Lyra region 52 Wolszczan 52 subatomic particles 52 J#.# [001] 52 binary 52 comet Tempel Tuttle 51 XMM Newton 51 pions 51 comet tail 51 V# Puppis 51 electron orbits 51 meteoroid 51 gravitationally lensed 51 interstellar molecules 51 Jupiter moon Io 51 X ray Observatory 51 aurorae 51 cosmic dust 51 Astronomical Units 51 Delta Cephei 51 Mauna Kea Hawaii 51 whale dorsal fin 51 Saturn outermost 51 antiprotons 51 tungsten isotopes 51 Jupiter Uranus 51 planets circling stars 51 Lyman alpha 51 quantum superposition 51 superclusters 51 hematite mineral 51 Pluto moon Charon 51 magnetic reconnection 51 ultraviolet wavelengths 51 arcminutes 51 suns 51 coronal loop 51 crystal lattices 51 Gliese 51 quantum particles 51 squares triangles 51 supergiants 51 quasicrystal 51 astrophysical phenomena 51 gravity warps 51 quantum gravity 51 branes 51 Comet Elenin 51 extrasolar worlds 51 subsurface ocean 51 superdense neutron star 51 ejecta blanket 51 clumped together 51 Corona Australis 51 glowing spheres 51 Galaxy Evolution 51 theoretical particle 51 gravitational tides 51 Jennifer Rizzotti Sue 51 planetary Transits 51 VISTA telescope 51 magnetosphere 51 Io volcanoes 51 organic molecules 51 energetic electrons 51 hypervelocity star 51 detect gamma rays 51 gamma rays X rays 51 Apophis asteroid 51 Cosmic rays 51 Cepheus 51 X ray observatory 51 Eridanus 51 Galaxies 51 quantum mechanically 51 constellation Bootes 51 galaxies nebulae 51 PZ Tel 51 haloes 51 OGLE 51 Crab pulsar 51 starlike 51 Gamma rays 51 non baryonic 51 protons collide 51 interstellar grains 51 antihydrogen atoms 51 waxing crescent moon 51 Fomalhaut 51 Beehive Cluster 51 galaxy redshift 51 SCP #F# 51 galaxy NGC# 51 Epsilon Indi 51 diffraction pattern 51 Chicxulub 51 absorb photons 51 quanta 51 gravitons 51 Venus Neptune Uranus 51 GRB# 51 collisional 51 constellation Ophiuchus 51 Comet Lulin 51 mineral olivine 51 constellation Aquila 51 permanently shadowed 51 Perseus constellation 51 unicellular 51 gravitational pulls 51 planet gravitational tug 51 ultraluminous galaxy 51 Pegasi 51 superstrings 51 Rydberg atom 51 Veil Nebula 51 fermion 51 sulfate aerosols 51 primitive meteorites 51 arcsecond 51 RRATs 51 spacecraft flyby 51 Goldilocks zone 51 singularities 51 ESO VLT 51 backscattered 51 nucleobases 51 silicon atoms 50 Orionid meteors 50 X ray afterglow 50 Cosmologists 50 galactic cosmic rays 50 cosmic strings 50 astrophysical objects 50 muon 50 constellation Monoceros 50 moons JAXA 50 prokaryotes 50 Mars Uranus 50 constellation Libra 50 astrophysical 50 innermost planet 50 absorbs photons 50 Cold Dark Matter 50 habitable zone 50 helium atom 50 neutrons 50 faintest galaxies 50 Enceladus 50 dynamical 50 gravitational redshift 50 precessing 50 prebiotic molecules 50 YORP effect 50 interstellar dust particles 50 cesium atoms 50 galaxies quasars 50 constellations Cygnus 50 What bothers Eriacho 50 indium arsenide 50 transiting exoplanets 50 gamma ray observatory 50 Goldilocks planet 50 presolar grains 50 cometary debris 50 hurricane Cangialosi 50 ionized particles 50 Astrological lore 50 planets Kepler 50 magnetic monopoles 50 superheavy elements 50 Rydberg atoms 50 parsecs 50 largest moon Charon 50 called gravitational microlensing 50 proton antiproton collisions 50 Canes Venatici 50 S/# P 50 substorms 50 constellation Coma Berenices 50 Jupiter Saturn 50 molten droplets 50 Helix nebula 50 particles 50 GRB #A 50 Neptune Uranus Jupiter 50 orbital eccentricity 50 geostationary orbits 50 S/# S1 50 infrared telescopes 50 weakly interacting massive