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(Click for frequent words.) 76 red supergiant 73 circumstellar 72 emission nebula 71 protostar 70 Wolf Rayet star 70 galactic disk 69 circumstellar disk 69 accretion disk 69 elliptical galaxy 69 nebular 69 Neutron stars 69 V# Mon 68 accretion disks 68 sunlike star 68 eclipsing binary 68 RS Ophiuchi 68 X ray emission 68 protostars 68 photosphere 68 constellation Cassiopeia 68 constellation Hercules 67 active galactic nuclei 67 protoplanetary disk 67 VY Canis Majoris 67 Wolf Rayet stars 67 supergiant star 67 SN #A 67 Type Ia supernova 67 supernova explosion 67 Upsilon Andromedae 67 starburst galaxy 67 supernova explosions 67 magnetar 67 Eta Carinae 66 spinning neutron 66 X ray binary 66 WASP #b 66 circumstellar disks 66 planetary nebula 66 Type 1a supernovae 66 merging galaxies 66 Orion nebula 66 moon Io 66 AB Aurigae 66 gravitationally 66 Trifid Nebula 66 Rosette Nebula 66 reflection nebula 66 X ray emitting 66 infall 66 Supernova #A 66 millisecond pulsar 66 blue straggler 65 spherically symmetric 65 dwarf galaxy 65 GJ #b [002] 65 galaxy NGC 65 cluster NGC 65 constellation Aquarius 65 exoplanet orbiting 65 red supergiants 65 HL Tau 65 supernova remnant 65 type Ia supernovae 65 XTE J# 65 relativistic particles 65 rotating neutron 65 supermassive 65 active galactic nucleus 65 X ray pulses 65 planetary nebulae 65 ionised gas 65 supernova SN 65 SN #gy 65 retrograde orbit 65 silicate dust 65 supernova remnants 65 Bug Nebula 65 SMBH 65 GJ#b 65 constellation Virgo 65 SN#A 65 J# +# [002] 65 ionized gas 65 metallicity 65 interstellar dust clouds 65 lensing galaxy 64 microquasar 64 silicon monoxide 64 ionized hydrogen 64 Epsilon Eridani 64 infalling 64 Milky Way halo 64 chromosphere 64 ejecta 64 runaway thermonuclear 64 millisecond pulsars 64 galaxy M# [001] 64 interstellar clouds 64 rotational axis 64 Sagittarius B2 64 Kuiper belt objects 64 Orion constellation 64 galactic cores 64 baryon 64 spiral galaxy NGC 64 X ray binaries 64 elliptical galaxy NGC 64 galactic halo 64 planets orbits 64 sodium atoms 64 planet HD #b 64 interstellar cloud 64 BP Piscium 64 Planetary nebulae 64 Jupiter moon Io 63 TrES 4 63 magma ocean 63 Coma Cluster 63 Omega Centauri 63 constellation Carina 63 Type Ia 63 energetic electrons 63 Geminga 63 luminous galaxies 63 chondrules 63 neutron star 63 starburst galaxies 63 nucleosynthesis 63 Carina constellation 63 protoplanets 63 emit X rays 63 protoplanet 63 Virgo cluster 63 R Coronae Borealis 63 volcanic magma 63 gravitational interaction 63 SN #C 63 galaxy M# [002] 63 ionized particles 63 HM Cancri 63 Fomalhaut b 63 lunar crust 63 highly magnetized neutron 63 rotating neutron stars 63 supernova 63 Hot Jupiters 63 constellation Centaurus 63 jovian 63 globular cluster 62 HD#b 62 Beta Pictoris 62 gravitational radiation 62 extrasolar 62 protoplanetary 62 Eridani 62 baryonic 62 type Ia supernova 62 helium nuclei 62 supergiant stars 62 solar nebula 62 planetesimals 62 quasar 62 proplyds 62 AGNs 62 zodiacal dust 62 interacting galaxies 62 Comet Holmes 62 gamma ray emission 62 constellation Eridanus 62 Carina Nebula 62 giant elliptical galaxy 62 GRB #B 62 Epsilon Aurigae 62 SN #E 62 filamentary 62 Red Rectangle 62 intrinsic brightness 62 Tarantula Nebula 62 observable universe 62 neutralinos 62 Chi Cygni 62 substorm 62 galaxy cluster 62 Crab Nebula 62 globulars 62 blazars 62 nebulosity 62 oppositely directed 62 Fornax cluster 62 gravitationally bound 62 magnetospheric 62 protoplanetary disc 62 cosmological distances 62 distant supernovae 61 exoplanets orbiting 61 constellation Lyra 61 crystalline silicates 61 galaxy formation 61 Delta Cephei 61 constellation Scorpius 61 novae 61 Trapezium 61 exoplanetary 61 proto planetary disk 61 moon Mimas 61 nebula 61 Lagoon Nebula 61 X ray wavelengths 61 Saturn magnetosphere 61 Gliese #e 61 hypernova 61 supernovae explosions 61 RS Oph 61 spherical halo 61 strange quark 61 PSR J# 61 spheroidal 61 constellation Ursa Major 61 dynamical evolution 61 distant quasar 61 sundog 61 Arches Cluster 61 NGC #A 61 planet orbits 61 nebula NGC 61 Zeta Ophiuchi 61 Bok globules 61 Cepheid variable 61 magnetic dynamo 61 CoRoT #b 61 Cat Paw Nebula 61 gravitational tides 61 GRB # 61 molten magma 61 PSR B# +# 61 superdense 61 barred spiral galaxy 61 constellation Andromeda 61 supernovae 61 Pegasi 61 GQ Lupi 61 supermassive black hole 61 stellar nurseries 61 luminosities 61 highly collimated 61 interstellar medium 61 IRC +# 61 spinning pulsar 61 infalling gas 61 elliptical galaxies 61 gaseous planet 61 comets orbiting 61 KH #D 61 star Beta Pictoris 61 constellation Draco 61 SN #D 61 Trifid 61 SNR #-#.# 60 redshifted 60 Large Magellanic Cloud 60 NGC# 60 Hanny Voorwerp 60 Type Ia supernovae 60 Cepheids 60 Corot 9b 60 planetary nebulas 60 Saturnian moon 60 dipolar 60 Crab pulsar 60 moon Enceladus 60 tidally 60 volcanic moon Io 60 G#.# +#.# 60 HD# [002] 60 Saturn outermost ring 60 constellation Auriga 60 hypervelocity stars 60 gravitational interactions 60 planet magnetosphere 60 muon neutrinos 60 gaseous planets 60 relativistic protons 60 GJ #b [001] 60 elongated orbits 60 Bullet Cluster 60 protoplanetary discs 60 constellation Taurus 60 #gy 60 dense clumps 60 Small Magellanic Cloud 60 Type Ic supernova 60 constellation Ophiuchus 60 galactic bulge 60 blazar 60 Syrtis Major 60 MG J# +# 60 RX J# 60 sized planets orbiting 60 protoplanetary disks 60 star Gliese 60 Andromeda galaxy 60 sunlike stars 60 moons orbiting 60 galaxy clusters 60 emits X rays 60 Doradus 60 AU Mic 60 CoRoT 7b 60 galactic mergers 60 magnetars 60 SMM J# 60 Magellanic Clouds 60 constellation Cetus 60 coronal loops 59 constellation Aquila 59 Seyfert galaxies 59 globular clusters 59 constellation Aries 59 Hyades cluster 59 planet Gliese #g 59 Triangulum 59 GRB# 59 SMBHs 59 Pleiades cluster 59 constellation Pegasus 59 Supernovae 59 basaltic rocks 59 planet Gliese #c 59 zodiacal light 59 asteroidal 59 accreting 59 proto galaxies 59 supermassive black holes 59 V# Sgr 59 starlike object 59 Tarantula nebula 59 coronal loop 59 galactic clusters 59 gamma ray flares 59 colliding galaxies 59 velocity dispersion 59 nebulae 59 CoRoT 9b 59 Corot 7b 59 afterglows 59 energetic gamma rays 59 Jupiter magnetosphere 59 VB #b 59 moon Ganymede 59 spiral galaxies 59 VHE gamma rays 59 electron neutrinos 59 radial velocity technique 59 spiral galaxy 59 exo planets 59 orbits Saturn 59 unpolarized 59 Fermi telescope 59 BP Psc 59 CMB radiation 59 moonlet 59 supernovas 59 ionised 59 relativistic jets 59 superdense neutron star 59 Stephan Quintet 59 proto cluster 59 Oort Cloud 59 particle acceleration 59 icy comets 59 HIP #b 59 comet McNaught 59 ionized gases 59 reionization 59 electron positron pairs 59 HD #b [002] 59 exosphere 59 kaons 59 neutron stars 59 muon neutrino 58 icy moons 58 SNe Ia 58 RRATs 58 filamentary structure 58 Oort cloud 58 dwarf spheroidal galaxies 58 orbital resonance 58 brown dwarfs 58 eccentric orbits 58 magnetotail 58 X ray telescopes 58 Sagittarius dwarf galaxy 58 ferric oxides 58 Virgo Cluster 58 polar vortex 58 CAIs 58 pulsar 58 mu Arae 58 axions 58 polaritons 58 stellar seismology 58 trans Neptunian objects 58 post perovskite 58 Kepler #b 58 interstellar dust grains 58 W boson 58 toroid 58 galaxy NGC# 58 Milky Way Galaxy 58 galaxies 58 lava fountains 58 millimeter wavelength 58 lithium atoms 58 extrasolar planetary 58 Quadrantid 58 planet Uranus 58 Henize #-# 58 baryonic matter 58 Wolszczan 58 Proxima Centauri 58 superfluid 58 giant elliptical galaxies 58 magnetized plasma 58 IRAS #-# 58 Coma cluster 58 CoRoT satellite 58 solar corona 58 Betelgeuse 58 Cepheid variables 58 cosmic cannibal 58 meridional flow 58 Aurigae 58 tidal tails 58 Globular clusters 58 galaxies collide 58 planet orbiting 58 moonlets 58 quasars 58 circumstellar dust 58 coronal mass ejections CMEs 58 Comet Halley 58 ultraviolet photons 58 planets moons 58 planet WASP #b 58 constellation Sagittarius 58 hydrogen helium 58 IRAS 4B 58 gamma ray radiation 58 inner asteroid belt 58 chemical abundances 58 ULIRGs 58 electrons positrons 58 constellation Puppis 58 galaxy 57 Earth ionosphere 57 star Spica 57 solar prominences 57 glows brightly 57 polariton 57 Cosmic Microwave Background 57 BLG #Lb 57 transiting planets 57 globular cluster M# 57 planets orbiting distant 57 tidal bulge 57 X ray afterglow 57 Samuel Oschin Telescope 57 cosmic ray particles 57 Saturn outermost 57 Monoceros 57 bosonic 57 brown dwarf 57 Gliese #c 57 extragalactic 57 Helix Nebula 57 gibbous 57 Antennae Galaxies 57 distant quasars 57 Corona Australis 57 Iapetus 57 KBOs 57 Dwarf galaxies 57 brightest supernova 57 hydrogen nuclei 57 constellation Cygnus 57 Type 1a supernova 57 HD# [005] 57 Kepler 9c 57 RXTE 57 circular orbits 57 interstellar dust 57 Eagle Nebula 57 Beta Pictoris b 57 Voorwerp 57 coronal mass ejection 57 Gravitational waves 57 Active Galactic Nuclei 57 comet Tempel Tuttle 57 transiting planet 57 Evolution Explorer 57 Saturn Enceladus 57 spinning neutron stars 57 coronal holes 57 pyroclastic 57 planetary orbits 57 Venusian atmosphere 57 airglow 57 spatially resolved 57 arcsecond 57 Type Ia supernovas 57 ionizes 57 Reiner Gamma 57 hydrosphere 57 hydrated electron 57 collimated 57 hypervelocity star 57 downwelling 57 Scorpii 57 Kuiper belt 57 constellation Monoceros 57 proto planetary disks 57 Bose Einstein condensates 57 magnetic dipole 57 torus 57 foreground galaxy 57 gamma ray burst 57 maser emission 57 COROT 7b 57 mesons 57 supernova remnant Cassiopeia 57 dwarf galaxies 57 pions 57 Great Conveyor Belt 56 electrons orbiting 56 dense neutron stars 56 Cancri e 56 gravitational attraction 56 OGLE TR #b 56 submillimetre wavelengths 56 cosmic ray flux 56 Io Europa 56 Bose Einstein Condensate 56 helium atoms 56 globular star 56 brightnesses 56 starquakes 56 Mpc 56 planetary transits 56 cumulus cloud 56 absorbs photons 56 Gal Yam 56 Veil Nebula 56 magnetic reconnection 56 ionize 56 particles WIMPs 56 Alfven waves 56 Epsilon Indi 56 filamentary structures 56 silicate mantle 56 PSR J# +# 56 auroral 56 tau neutrinos 56 gamma ray observatory 56 Pluto Charon 56 distant supernovas 56 Puppis 56 Doppler shifts 56 Milankovitch cycles 56 carbonaceous chondrites 56 southern constellation Carina 56 ionise 56 baryons 56 binary quasar 56 transiting exoplanet 56 subsurface ocean 56 Orion Nebula 56 Mott insulator 56 heliosheath 56 radiative cooling 56 distant galaxy 56 diffuse aurora 56 Rydberg atom 56 Kelvin Helmholtz 56 planemos 56 convective 56 Tauri Sb 56 comet Hale Bopp 56 prograde 56 radial velocity 56 Orionis 56 terrestrial planets 56 weakly interacting 56 Camelopardalis 56 albedo reflectivity 56 super Earths 56 gravitational tugs 56 fermion 56 Cygnus X 56 heliospheric 56 VLTI 56 chondrites 56 lowermost mantle 56 spacecraft flyby 56 silicate rocks 56 ESO VLT 56 GRBs 56 periodic oscillations 56 precessing 56 Comet NEAT 56 redshifts 56 planetesimal 56 ion collisions 56 ultracold 56 Cancri 56 Alycia Weinberger 56 quasicrystal 56 starlike 56 ultraviolet laser 56 fading afterglow 56 Galilean moons 56 constellation Coma Berenices 56 martian atmosphere 56 galactic nucleus 56 basaltic lava 56 Cold Dark Matter 56 Cherenkov radiation 56 comets asteroids 56 redshift 56 lithosphere 56 Upsilon Andromedae b 55 supermassive stars 55 Gamma rays 55 Kuiper Belt Objects 55 mineral olivine 55 dusty disks 55 cumulonimbus cloud 55 neutrino mass 55 colloidal crystals 55 electroweak 55 matter antimatter asymmetry 55 hydrated silica 55 corona 55 Ophiuchi 55 noctilucent clouds 55 ENAs 55 Butterfly Nebula 55 thermonuclear reactions 55 parsec 55 electron density 55 ellipsoids 55 Ring Nebula 55 Circinus X 1 55 lapilli 55 constellation Bootes 55 Crab Pulsar 55 Konacki 55 Comet Tempel Tuttle 55 OGLE TR 55 XO 3b 55 antineutrinos 55 Jovian atmosphere 55 rubidium atoms 55 magnetic monopoles 55 periodic dimming 55 HD #b [001] 55 Lyman alpha 55 hot Jupiters 55 lavas 55 silicate grains 55 gamma rays emitted 55 Gamma ray bursts 55 Comet Elenin 55 waxing crescent moon 55 planetary magnetospheres 55 positrons 55 Phoebe orbits 55 starbursts 55 constellation Cepheus 55 X ray observatory 55 celestial sphere 55 TrES 55 antiproton 55 Saturnian moons 55 gravity warps 55 Eta Carina 55 photoelectron 55 dipole moment 55 gaseous envelope 55 asterism 55 remanent 55 spectroscopically 55 Kuiper Belt object 55 Jupiter Uranus 55 prominences 55 meteoritic material 55 olivine 55 Earthlike planets 55 micron wavelengths 55 Earths orbiting 55 Carinae 55 spacetime 55 Beehive Cluster 55 carbonate minerals 55 inky sky 55 Yellowstone caldera 55 Caloris 55 ultracold atoms 55 spiral nebulae 55 HiRISE image 55 dwarf novae 55 Spitzer infrared spectrograph 55 Earthlike 55 Charon Pluto 55 magnetic polarity 55 Mercury magnetosphere 55 X ray photons 55 exo planet 55 faint galaxies 55 ultracold gas 55 constellation Serpens 55 cesium atoms 55 reddish orange hue 55 sterile neutrinos 55 Cygni 55 deuterium atoms 55 faintest galaxies 55 moon Mab 55 superluminal 55 Maunder minimum 55 Magnetars 55 habitable zones 55 UV lasers 55 ellipsoidal 55 cosmic ray protons 55 constellation Vulpecula 55 mantle plumes 55 gravitational microlensing 55 Galactic cosmic rays 55 cosmic phenomena 55 Enceladus 55 extrasolar planets orbiting 55 Milky Way galaxy 55 backscattered 55 Perseus constellation 55 quantum tunneling 55 Dumbbell Nebula 55 HII regions 55 equatorial latitudes 55 inhomogeneous 55 axial tilt 55 komatiitic 55 GeV 55 magmas 55 lunar craters 55 HARPS instrument 55 stellar occultation 55 deuterium 55 plasmasphere 55 gravitational pulls 55 Bose Einstein condensate 55 collisional 54 muons 54 astrophysical phenomena 54 orbital angular momentum 54 ESA XMM Newton 54 Geminid meteors 54 supergiants 54 rocky planets 54 novas 54 antimatter particles 54 ejecta blanket 54 Solar flares 54 photometry 54 planets orbiting stars 54 zodiac constellations 54 constellation Leo 54 P/# A2 54 Martian dust 54 electron positron 54 spectral measurements 54 faraway galaxies 54 star Fomalhaut 54 CMB photons 54 Doppler shift 54 atomic nuclei 54 Eridanus 54 Perseus Cluster 54 milky quartz 54 cosmic ray intensity 54 Mercury exosphere 54 cirrus 54 GRB #A 54 Saturn rings 54 moon Dione 54 wavefronts 54 Andromeda Galaxy 54 outermost planets 54 magnetic flux 54 dynamical 54 auroral displays 54 kelvin 54 gravitational instabilities 54 Gliese #d 54 toroidal 54 distant galaxy clusters 54 planets orbiting sun 54 occulted 54 spicules 54 Adam Riess 54 arcminutes 54 Andromeda halo 54 extrasolar planet 54 martensite 54 plagioclase 54 plasmon 54 planets Uranus 54 magnetopause 54 B mesons 54 chlorine monoxide 54 planets asteroids 54 BLG #L 54 SNe 54 superfluids 54 Cygnus Lyra region 54 comet tail 54 potassium atoms 54 sun corona 54 infrared photons 54 Encke gap 54 magnetosphere 54 Hellas Basin 54 stony meteorites 54 infrared laser beam 54 ray Space Telescope 54 Tharsis Rise 54 volcanic plumes 54 spherical shell 54 supergiant 54 atomic lattice 54 cumulonimbus 54 Earth magnetosphere 54 Pleiades star 54 submillimeter galaxies 54 crystal lattices 54 electron flux 54 hadron 54 Gamma ray burst 54 PSR B# 54 spiral galaxy Messier 54 slender crescent 54 solar radii 54 photon energies 54 spinels 54 micrometre sized 54 SUSY 54 occultations 54 gravitational perturbations 54 retrograde orbits 54 Corona Borealis 54 lunar equator 54 ultraviolet radiation emitted 54 Nasa spacecraft 54 Cepheus 54 photoluminescence 54 gamma rays 54 Perseus cluster 54 Quadrantid meteor shower 54 vorticity 54 diatomic 54 helium ions 54 electron neutrino 54 stellar occultations 54 pulsars 54 elemental abundances 54 RY Sagittarii 54 Super Earths 54 outflowing 54 elongated orbit 54 masers 54 axion 54 intracluster 54 Jovian moon 54 smallest exoplanet 54 cometary material 54 SDSS II 54 retroreflector 54 Peony nebula star 54 GALEX 54 Magellanic Stream 54 gravitationally lensed 54 optical resonator 54 galactic cosmic rays 54 ellipsoid 54 gamma ray photons 54 constellation Gemini 54 YORP effect 54 antiquarks 54 J#.# [001] 54 helium atom 53 Gemini constellation 53 sulfate aerosols 53 blackholes 53 nucleon 53 tau neutrino 53 GPa 53 IR wavelengths 53 midlatitudes 53 Galaxy Evolution 53 planet gravitational tug 53 photons emitted 53 Serpens Cauda 53 NASA Wilkinson Microwave 53 hydroxyl molecules 53 nuclei 53 latite 53 ignimbrite 53 constellation Perseus 53 neutrino 53 diffraction patterns 53 Ulysses spacecraft 53 Saturn innermost 53 Hubble observations 53 muon 53 astrophysical objects 53 Trojan asteroids 53 z = 53 double helix nebula 53 lunar meteorites 53 felsic tuff 53 binary asteroid 53 water vapor condenses 53 x ray beams 53 Pulsars 53 carbonaceous chondrite 53 thermonuclear explosion 53 PKS #-# 53 surface plasmon 53 isomeric 53 valence electron 53 Horsehead Nebula 53 transiting exoplanets 53 Mandushev 53 exciton 53 antihelium 4 53 Io volcanoes 53 magnetic fields 53 blackbody 53 Earth magnetotail 53 asteroseismology 53 linearly polarized 53 gamma ray bursts 53 X ray spectra 53 polarimetry 53 silicate minerals 53 primitive meteorites 53 gravitational lens 53 Solar TErrestrial RElations Observatory 53 XMM Newton 53 exoplanets planets 53 arcsec 53 equatorial bulge 53 super nova 53 shorter wavelengths 53 Keck Interferometer 53 outer layers 53 extrasolar planetary systems 53 ionized oxygen 53 mesosphere 53 sonoluminescence 53 cosmic microwave background 53 Geminid shower 53 microcavity 53 outer corona 53 galaxy redshift 53 icosahedral 53 iridium layer 53 carbon cenospheres 53 Hawking radiation 53 cesium atom 53 pulsations 53 Gamma ray bursts GRBs 53 asthenosphere 53 oblate spheroid 53 solar minima 53 anticyclonic 53 cadmium sulfide 53 Saturn moon Mimas 53 calcite crystals 53 Alfvén waves 53 ultradense 53 UV photons 53 volcanically 53 Tycho supernova remnant 53 gamma ray repeater 53 Neptune Uranus 53 extrasolar planet HD #b 53 tholins 53 Bose Einstein condensation