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(Click for frequent words.) 72 globular cluster 72 eclipsing binary 71 globular clusters 71 X ray binaries 70 XTE J# 70 microquasar 70 supermassive 69 active galactic nuclei 69 brown dwarfs 69 transiting planets 68 supergiant star 68 AGNs 68 protostars 68 merging galaxies 68 exoplanets orbiting 68 globulars 68 blazars 68 elliptical galaxy 67 galaxy NGC 67 starburst galaxy 67 GRBs 67 planetary nebulae 67 millisecond pulsar 67 KBOs 67 active galactic nucleus 67 magnetars 67 supergiant stars 67 pulsars 67 Neutron stars 67 galaxy M# [002] 66 extrasolar 66 Wolf Rayet star 66 blue supergiant 66 X ray emission 66 starburst galaxies 66 millisecond pulsars 66 jovian 66 gravitationally bound 66 RS Ophiuchi 66 radial velocity 66 Milky Way halo 66 galactic disk 66 Epsilon Eridani 66 cluster NGC 66 Cepheids 66 dwarf galaxy 66 quasars 66 luminous galaxies 65 Kuiper belt objects 65 elliptical galaxies 65 luminosities 65 transiting planet 65 protostar 65 WASP #b 65 red supergiants 65 red supergiant 65 gravitational microlensing 65 velocity dispersion 65 interacting galaxies 65 Upsilon Andromedae 65 extrasolar planets 64 AU Mic 64 Type Ia supernova 64 galactic mergers 64 circumstellar disk 64 magnetar 64 planets orbiting 64 blazar 64 supernova explosion 64 Wolf Rayet stars 64 sunlike stars 64 super Earths 64 relativistic particles 64 RX J# 64 HM Cancri 64 planets orbiting distant 64 brown dwarf 64 NGC# 64 neutron stars 64 circumstellar disks 63 galaxy clusters 63 GJ#b 63 SMBH 63 galaxies 63 exoplanets 63 galaxy formation 63 X ray wavelengths 63 RXTE 63 moon Io 63 X ray observatory 63 dwarf galaxies 63 moonlets 63 redshifts 63 galaxy M# [001] 63 giant elliptical galaxy 63 SN #A 63 supernovae 63 Fomalhaut b 63 protoplanetary disks 63 planets orbits 63 HAT P 63 faint galaxies 63 relativistic jets 63 quasar 63 X ray emitting 63 Beta Pictoris b 63 metallicity 63 exoplanet orbiting 63 extragalactic 63 constellation Cassiopeia 63 gravitational lenses 63 J# +# [002] 63 icy moons 63 X ray pulses 63 extrasolar planet 62 baryon 62 GALEX 62 hypervelocity stars 62 exoplanet 62 hot Jupiters 62 galactic halo 62 Fornax cluster 62 constellation Hercules 62 X ray telescopes 62 spiral galaxy NGC 62 supermassive black hole 62 Omega Centauri 62 Arches Cluster 62 neutron star 62 X ray observatories 62 supernovas 62 Mpc 62 planet orbits 62 TrES 4 62 Eta Carinae 62 TrES 62 exoplanetary 62 ionized gas 62 circumstellar 62 Epsilon Aurigae 62 Geminga 62 occultations 62 supernova explosions 62 accretion disks 62 cosmological distances 62 nebular 62 Beta Pictoris 62 AB Aurigae 62 planetary nebula 62 baryonic 62 CoRoT 7b 62 Lagoon Nebula 62 interstellar dust clouds 62 XMM Newton 62 Pegasi 62 Red Rectangle 61 nebulae 61 rocky planets 61 galaxy cluster 61 intrinsic brightness 61 trans Neptunian objects 61 elliptical galaxy NGC 61 distant supernovae 61 type Ia supernovae 61 infall 61 planets 61 emission nebula 61 SN #gy 61 Henize #-# 61 supernova remnant 61 HL Tau 61 gravitationally lensed 61 Fermi telescope 61 giant elliptical galaxies 61 Orion Nebula 61 habitable planets 61 distant quasars 61 accretion disk 61 Milky Way galaxy 61 filamentary structure 61 ionised gas 61 interstellar clouds 61 ESO VLT 61 Magnetars 61 Seyfert galaxies 61 distant quasar 61 HD#b 61 sized planets orbiting 61 SNe Ia 61 Orion nebula 61 galaxy 61 Earths orbiting 61 Milky Way Galaxy 61 Kuiper belt 61 gamma ray emission 61 CoRoT #b 61 supernova remnants 61 PSR J# 60 radial velocity technique 60 Ring Nebula 60 gaseous planet 60 GeV 60 galactic cores 60 stellar nurseries 60 protoplanetary 60 protoplanet 60 reionization 60 Eridani 60 brightnesses 60 Magellanic Clouds 60 filamentary structures 60 redshift 60 Cygnus X 60 Kuiper Belt objects 60 protoplanetary disk 60 Cat Paw Nebula 60 Sagittarius B2 60 gravitational interactions 60 GRB #B 60 emit X rays 60 orbits 60 Active Galactic Nuclei 60 CAIs 60 solar radii 60 HD# [002] 60 transiting exoplanet 60 constellation Centaurus 60 astronomers 60 distant galaxy 60 supermassive black holes 60 masers 60 planet orbiting 60 photosphere 60 optical spectra 60 dynamical evolution 60 W boson 60 planets orbiting sun 60 microlensing 60 chondrules 60 Higgs bosons 60 gravitational radiation 60 Carina constellation 60 distant galaxies 60 BLG #Lb 60 rotating neutron stars 60 star Gliese 60 SMBHs 60 constellation Cygnus 60 axions 60 constellation Carina 60 Type 1a supernovae 60 Gamma ray bursts 60 eccentric orbits 60 moons orbiting 60 orbiting planets 59 elongated orbits 59 supernova 59 VLTI 59 R Coronae Borealis 59 Antennae Galaxies 59 Cancri 59 MG J# +# 59 globular star 59 supernova SN 59 HD# [005] 59 type Ia supernova 59 galactic nuclei 59 Triangulum Galaxy 59 Kuiper Belt object 59 BP Psc 59 supersymmetric particles 59 spiral galaxies 59 eclipsing binaries 59 GJ #b [002] 59 Dwarf galaxies 59 Type Ia supernovae 59 spatially resolved 59 extrasolar planets orbiting 59 Virgo Cluster 59 reflection nebula 59 smallest exoplanet 59 dense neutron stars 59 prograde 59 terrestrial planets 59 BLG #L 59 Kepler #b 59 Trifid Nebula 59 astrometry 59 Small Magellanic Cloud 59 Cepheid variables 59 Type Ia 59 Rosette Nebula 59 muon neutrinos 59 constellation Virgo 59 Hipparcos 59 Saturn outermost ring 59 planet HD #b 59 spectroscopically 59 globular cluster M# 59 gamma ray burst 59 pulsar 59 Hanny Voorwerp 59 circular orbits 59 cosmic phenomena 59 SNe 59 Crab Nebula 59 Evolution Explorer 59 gamma ray bursts 59 fainter objects 59 transiting exoplanets 59 XO 3b 59 exosphere 59 spherical halo 59 Earthlike planets 59 Konacki 59 RY Sagittarii 59 GRB # 59 Jupiter magnetosphere 59 Galilean moons 58 ULIRGs 58 astrophysical objects 58 microlensing events 58 SMM J# 58 nebula 58 GQ Lupi 58 neutralinos 58 volcanic moon Io 58 moonlet 58 Andromeda galaxy 58 RRATs 58 galactic clusters 58 Pluto Charon 58 Saturn outermost 58 Gravitational waves 58 Comet Holmes 58 TNOs 58 cosmic ray particles 58 ESO telescope 58 CoRoT 58 protoplanets 58 astrophysical 58 spinning pulsar 58 Kuiper Belt Objects 58 sunlike star 58 barred spiral galaxy 58 IRAS #-# 58 dwarf spheroidal galaxies 58 arcsecond 58 Hot Jupiters 58 baryons 58 Bug Nebula 58 Corot 9b 58 infrared wavelengths 58 HARPS instrument 58 constellation Taurus 58 Zeta Ophiuchi 58 ultraviolet wavelengths 58 VY Canis Majoris 58 planemos 58 HD #b [001] 58 Triangulum 58 Scorpii 58 CoRoT satellite 58 planets orbiting stars 58 ionized hydrogen 58 constellation Aquarius 58 Coma Cluster 58 G#.# +#.# 58 Oort cloud 58 Globular clusters 58 Andromeda Galaxy 58 colliding galaxies 58 arcseconds 58 sodium atoms 58 ESA XMM Newton 58 novae 58 stellar occultation 58 gamma ray flares 58 ionized gases 58 comets orbiting 58 VHE gamma rays 58 Doradus 58 Proxima Centauri 58 Virgo cluster 58 Herbig Haro 57 hematite mineral 57 HII regions 57 weakly interacting 57 polaritons 57 photometry 57 Hubble observations 57 blue straggler 57 spiral galaxy 57 Supernova #A 57 planets moons 57 gravitationally 57 periodic dimming 57 HD #b [002] 57 retrograde orbit 57 constellation Sagittarius 57 gravitational lensing 57 afterglows 57 proto cluster 57 OGLE TR 57 infalling gas 57 mesons 57 radial velocity method 57 ejecta 57 COROT 57 BP Piscium 57 Kuiper belt object 57 impactors 57 astronomical objects 57 optical wavelengths 57 spinning neutron stars 57 Lyman alpha 57 infalling 57 Delta Cephei 57 Helix Nebula 57 proplyds 57 silicon monoxide 57 exo planets 57 planetary magnetospheres 57 galactic bulge 57 smallest extrasolar planet 57 Crab pulsar 57 binary asteroid 57 Pleiades cluster 57 V# Mon 57 asteroids orbiting 57 spacecraft flyby 57 Oort Cloud 57 Encke gap 57 astrophysical phenomena 57 X ray Observatory 57 chemical abundances 57 extrasolar planetary 57 stellar occultations 57 galaxies collide 57 noctilucent clouds 57 Comet Halley 57 infrared telescopes 57 SN#A 57 Tarantula Nebula 57 infrared interferometry 57 optical telescopes 57 UCDs 57 outermost planets 57 PSR B# +# 57 J#.# [001] 57 Stephan Quintet 57 interferometers 57 detect gravitational waves 57 gaseous planets 57 cosmic ray collisions 57 particle acceleration 57 Supermassive black 57 Eagle Nebula 57 gamma ray observatory 57 millimeter wavelength 57 SUSY 56 solar corona 56 Perseus Cluster 56 spectra 56 accreting 56 z ~ 56 nucleosynthesis 56 baryonic matter 56 cosmic cannibal 56 SN #D 56 galactic cosmic rays 56 B mesons 56 meteoritic material 56 Large Magellanic Cloud 56 distant galaxy clusters 56 observable universe 56 inner asteroid belt 56 high redshift galaxies 56 brightest supernova 56 Cepheid variable 56 Doppler shifts 56 GJ #b [001] 56 lensing galaxy 56 IRC +# 56 Saturnian moon 56 spectroscopic 56 redshift z = 56 constellation Lyra 56 planetary Transits 56 retrograde orbits 56 gamma ray photons 56 foreground galaxy 56 magnetospheres 56 proto galaxies 56 NGC #A 56 Cancri e 56 RS Oph 56 energetic electrons 56 rotational axis 56 interstellar cloud 56 polarimetry 56 relativistic protons 56 Bullet Cluster 56 ESO telescopes 56 CMB radiation 56 photomultiplier tubes 56 highly elliptical orbits 56 planet WASP #b 56 asteroidal 56 extrasolar planetary systems 56 lunar crust 56 planetoids 56 spiral nebulae 56 Tauri Sb 56 earthlike planets 56 Milky Way 56 coronagraph 56 Circinus X 1 56 supergiants 56 intracluster 56 detect gamma rays 56 Bok globules 56 Io Europa 56 spiral galaxy Messier 56 constellation Cetus 56 constellation Ursa Major 56 Pulsars 56 planetary transits 56 Earth radii 56 Carina Nebula 56 energetic cosmic rays 56 Hawking radiation 56 auroral 56 particle detectors 56 HARPS spectrograph attached 56 moon Ganymede 56 excitations 56 Carinae 56 dipole moment 56 gamma rays 56 WIMPs 56 galactic collisions 56 unpolarized 56 De Pontieu 56 Mauna Kea Hawaii 56 oppositely directed 56 Gliese #e 56 redshifted 56 Galaxy Evolution 56 HIRES spectrometer 56 SN #C 56 orbiting 56 ROSAT 56 Kepler 9c 55 interstellar dust 55 CoRoT 9b 55 antimatter particles 55 spectrographs 55 supernovae explosions 55 magnetospheric 55 electron neutrinos 55 airglow 55 Type Ia supernovas 55 Komossa 55 Keck telescope 55 spectroscopic observations 55 SDSS II 55 constellation Scorpius 55 comet Hale Bopp 55 energetic gamma rays 55 ESO PR 55 constellation Cepheus 55 Keck Interferometer 55 planetesimals 55 nucleon 55 Venusian atmosphere 55 planetary 55 Saturnian moons 55 electron neutrino 55 unaided eye 55 spherically symmetric 55 dust enshrouded 55 infrared spectra 55 gravitational interaction 55 Ulysses spacecraft 55 planets circling 55 hadron 55 Camelopardalis 55 solar nebula 55 rotating neutron 55 superdense 55 submillimetre wavelengths 55 Dumbbell Nebula 55 elliptical orbits 55 KH #D 55 inhabitable planets 55 helium atoms 55 exciton 55 neutralino 55 maser emission 55 Churyumov Gerasimenko 55 OGLE 55 antiproton 55 exoplanet hunter 55 Kuiper Belt Object 55 Wolszczan 55 Submillimeter Array 55 Microlensing 55 W bosons 55 arcminutes 55 Puppis 55 neutron spectrometer 55 spectral measurements 55 gravitational lens 55 coronal loop 55 Trojan asteroids 55 submillimeter 55 infrared imager 55 Hubble Space Telescope HST 55 silicate dust 55 chondrites 55 gravitational tides 55 Coma cluster 55 submillimetre 55 nebulosity 55 interstellar dust grains 55 moon Enceladus 55 constellation Andromeda 55 Galilean satellites 55 constellation Pegasus 55 Keck telescopes 55 Aurigae 55 planet Gliese #g 54 exo planet 54 moons Phobos 54 binary quasar 54 SNR #-#.# 54 GRB# 54 VB #b 54 Gliese #c 54 optical lattice 54 chromosphere 54 constellation Auriga 54 muon neutrino 54 comet McNaught 54 kpc 54 planets asteroids 54 Earthlike planet 54 planetary nebulas 54 weak gravitational lensing 54 neutrino 54 Kuiper Belt 54 planetary orbits 54 carbonaceous chondrites 54 Trapezium 54 Sgr 54 periodic oscillations 54 constellation Aquila 54 VISTA telescope 54 Comet Hartley 2 54 shorter wavelengths 54 QCLs 54 photometer 54 Spectrograph 54 WM Keck Observatory 54 dense clumps 54 orbital resonance 54 Epsilon Indi 54 radial velocities 54 baryon acoustic oscillations 54 asteroids comets 54 cometary material 54 mu Arae 54 Upsilon Andromedae b 54 HIP #b 54 dwarf spheroidal 54 filamentary 54 Quaoar 54 Voyager spacecraft 54 gravitational perturbations 54 dynamical 54 astrophysicists 54 Gliese #d 54 celestial phenomena 54 bolometers 54 Jovian planets 54 NASA Wilkinson Microwave 54 gamma rays emitted 54 superluminal 54 ALMA antennas 54 protoplanetary discs 54 SN #E 54 diffuse aurora 54 Pluto Eris 54 exosolar planets 54 Mott insulator 54 Super Kamiokande 54 gamma ray burst GRB 54 spectroscopic measurements 54 electron volt 54 icy comets 54 star Fomalhaut 54 Martian meteorites 54 hydrated minerals 54 XMM Newton observations 54 ultradense 54 comets 54 planet Gliese #c 54 Optical Gravitational Lensing Experiment 54 gravitational wave 54 orbital inclination 54 Earthlike 54 Andromeda halo 54 Bose Einstein condensates 54 interferometric 54 solitons 54 positrons 54 supermassive stars 54 supergiant 54 Super Earths 54 sun corona 54 WMAP satellite 54 coronal holes 54 Jovian moons 54 antiparticle 54 electronvolts 54 exoplanets planets 54 Astrophysical 54 UDFy # 54 OGLE TR #b 53 infrared spectral 53 orbits Saturn 53 moon Mimas 53 Orion constellation 53 tau neutrinos 53 LAGEOS 53 Nasa spacecraft 53 muons 53 optical resonator 53 neutrino particles 53 gravitational waves 53 photoelectron 53 airbursts 53 crystalline silicates 53 ionospheric 53 PSR J# +# 53 Jupiter moon Io 53 constellation Draco 53 magnetic reconnection 53 X ray photons 53 planet Uranus 53 nebula NGC 53 Voyager probes 53 Elliptical galaxies 53 spicules 53 occultation 53 μm diameter 53 Saturn rings 53 bosonic 53 interferometric technique 53 Gamma ray burst 53 orbiting telescopes 53 Saturn magnetosphere 53 innermost planet 53 Crab Pulsar 53 outermost planet 53 planet transits 53 Voorwerp 53 Trifid 53 zodiacal light 53 Cosmic rays 53 sparticles 53 Perseus cluster 53 Astronomers 53 celestial sphere 53 IR wavelengths 53 Cygnus Lyra region 53 Galileo spacecraft 53 cosmic ray protons 53 Pegasi b 53 XMM Newton satellite 53 dimensional electron 53 electron positron 53 millimeter wavelengths 53 spinning neutron 53 runaway thermonuclear 53 Bose Einstein Condensate 53 Chi Cygni 53 Samuel Oschin Telescope 53 infrared wavelength 53 protoplanetary disc 53 IBEX spacecraft 53 helium atom 53 strange quark 53 Gliese 53 antiprotons 53 Very Large Telescope 53 superfluid 53 neutrino mass 53 Area Telescope LAT 53 NICMOS 53 spectroscope 53 planetesimal 53 parsec 53 spheroidal 53 phyllosilicates 53 quasiparticle 53 polariton 53 Doppler shift 53 Doppler measurements 53 subatomic particle 53 ultraviolet wavelength 53 electrons orbiting 53 magnetosphere 53 excitons 53 Tycho supernova 53 helium nuclei 53 Spitzer Space Telescope 53 magnetic monopoles 53 gravitational wobbles 53 pointings 53 circumstellar dust 53 Ultraviolet Imaging Spectrograph UVIS 53 Gaensler 53 ray Space Telescope 53 Cygni 53 Tarantula nebula 53 gamma ray emitting 53 planets astronomers 53 ESO Very Large Telescope 53 Bose Einstein condensate 53 Toutatis 53 Fomalhaut 53 emits X rays 53 Extrasolar planets 53 dipolar 53 Veil Nebula 53 SIRTF 53 Supernovae 53 interstellar medium 53 Neptune Uranus 53 gamma ray bursts GRBs 53 star Proxima Centauri 53 orbited Jupiter 53 orbiting observatories 53 CMB photons 53 Schwarzschild radius 53 gravitons 53 habitable worlds 53 coronal mass ejections CMEs 53 Corot 7b 53 electroweak 53 planet magnetosphere 53 faraway galaxies 52 Saturn moons 52 Saturn Cassini 52 PSR B# 52 highly collimated 52 Type Ic supernovae 52 particles WIMPs 52 constellation Ophiuchus 52 solar flares coronal 52 single photon detectors 52 comet nucleus 52 inhomogeneities 52 olivine 52 moon Mab 52 Cosmic Microwave Background 52 PZ Tel 52 proto planetary disk 52 infrared astronomy 52 star Beta Pictoris 52 fermion 52 outer planets 52 astrometric 52 luminosity 52 Sombrero Galaxy 52 occulted 52 polystyrene spheres 52 Higgs particle 52 Type Ic supernova 52 meson 52 Astrophysicists 52 galactic nucleus 52 infalling matter 52 geoneutrinos 52 planet TrES 52 Beehive Cluster 52 TGFs 52 P/# A2 52 UV wavelengths 52 ellipsoids 52 polar mesospheric clouds 52 Jupiter Ganymede 52 diffraction patterns 52 Z bosons 52 habitable zones 52 constellation Puppis 52 collimated 52 microcavities 52 proto planetary disks 52 Sedna 52 abundances 52 multiwavelength 52 gamma ray 52 adaptive optics 52 stellar seismology 52 interstellar grains 52 axion 52 SINFONI 52 Ophiuchi 52 colloidal crystals 52 lunar craters 52 T Tauri 52 solar prominences 52 hypervelocity star 52 radiative cooling 52 z = 52 Alfven waves 52 La Silla observatory 52 keV 52 aperture telescope 52 IRAS 4B 52 spacetime 52 HESS telescopes 52 electrons positrons 52 THEMIS satellites 52 celestial object 52 gravitational acceleration 52 auroral displays 52 novas 52 rubidium atoms 52 gamma ray telescopes 52 NASA Chandra 52 Mandushev 52 astronomical observations 52 magnetic fields 52 tidal tails 52 colliders 52 magnetic flux 52 Cherenkov radiation 52 micrometer sized 52 Cassini ion 52 Herbig Ae Be 52 X ray afterglow 52 tropospheric 52 Pieter van Dokkum 52 massless particles 52 Type Ib 52 noble gases 52 Cerro Paranal 52 ultracold atoms 52 suns 52 lapilli 52 highly magnetized neutron 52 SCP #F# 52 interstellar particles 52 superdense neutron star 52 linearly polarized 52 B meson 52 antiparticles 52 Gliese #g 52 quasicrystal 52 assumed planets circling 52 silicates 52 antineutrinos 52 uncharged particles 52 Betelgeuse 52 nuclei 52 meteoroids 52 GRB 52 polar vortex 52 supernovae explode 52 highly elliptical orbit 52 blackholes 52 substorm 52 supersymmetric 52 Lyrids 52 potentially habitable planets 52 quark gluon plasma 52 synchrotrons 52 starquakes 52 spatial dimensions 52 corona 52 photons emitted 52 Mössbauer 52 galaxies quasars 52 attosecond 52 Type 1a supernova 52 COROT exo 3b 51 -# Celsius [001] 51 micrometre sized 51 Planetary nebulae 51 magnetotail 51 S/# [001] 51 magnetic anisotropy 51 retroreflector 51 magnetic dipole 51 planet gravitational tug