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(Click for frequent words.) 73 Hot Jupiters 70 brown dwarfs 70 WASP #b 68 rocky planets 68 super Earths 67 extrasolar 66 planets 66 transiting planets 66 terrestrial planets 66 dwarf galaxies 66 planetary nebulae 66 exoplanets 66 brown dwarf 66 HD #b [002] 65 stellar nurseries 65 galaxies 64 icy moons 64 HD#b 64 planet orbits 64 exoplanets orbiting 64 extrasolar planets 64 magnetars 64 Neutron stars 64 active galactic nuclei 64 CoRoT 7b 63 globular clusters 63 KBOs 63 dirty snowballs 63 elliptical galaxies 63 gaseous planets 63 merging galaxies 62 neutron stars 62 supernovae 62 X ray binary 62 planet HD #b 62 gaseous planet 62 planemos 62 quasars 62 starburst galaxies 62 CoRoT #b 62 Antennae Galaxies 62 protoplanetary disks 62 galaxy clusters 61 neutron star 61 AGNs 61 red supergiants 61 red supergiant 61 planets orbiting 61 habitable zones 61 GRBs 61 interstellar clouds 61 GJ #b [001] 61 Kuiper belt objects 61 gravitational interactions 61 planetesimals 61 accretion disks 61 HL Tau 61 globular cluster 61 spiral galaxies 61 protoplanet 61 exoplanet 60 Globular clusters 60 chondrules 60 moons orbiting 60 millisecond pulsars 60 blazars 60 protoplanetary disk 60 comets 60 planets orbiting distant 60 Kuiper Belt object 60 neutralinos 60 Earthlike planets 60 Kuiper belt 60 Wolf Rayet stars 60 elongated orbits 60 globulars 60 Kuiper Belt objects 60 Goldilocks zone 60 X ray binaries 60 solar nebula 59 dwarf galaxy 59 protostars 59 planets orbits 59 sunlike stars 59 Jupiter Saturn 59 Bok globules 59 Milky Way halo 59 Kepler #b 59 eccentric orbits 59 extrasolar planet 59 luminous galaxies 59 quasar 59 Epsilon Eridani 59 Oort cloud 59 Beta Pictoris b 59 TrES 4 59 protostar 59 gamma ray bursts 59 planet orbiting 59 supersymmetric particles 59 Upsilon Andromedae 58 elliptical galaxy 58 habitable planets 58 protoplanets 58 GJ #b [002] 58 Cancri e 58 WIMPs 58 nebulae 58 fermions 58 Galilean moons 58 gravitationally bound 58 SN #gy 58 magnetar 58 pulsars 58 supernova explosions 58 fermion 58 Corot 7b 58 BP Psc 58 Earthlike 58 BLG #Lb 58 Gamma ray bursts 57 Upsilon Andromedae b 57 hypervelocity stars 57 distant galaxies 57 comets orbiting 57 starburst galaxy 57 supermassive black holes 57 Magellanic Clouds 57 Elliptical galaxies 57 galactic disk 57 supermassive 57 retrograde orbits 57 sized planets orbiting 57 distant supernovae 57 Henize #-# 57 habitable zone 57 planetary embryos 57 radial velocity 57 circumstellar disks 57 GJ#b 57 Milky Way galaxy 57 Sedna 57 metallicity 57 galaxy cluster 57 antiparticles 57 Orion Nebula 57 supernova explosion 57 moonlets 57 planets orbiting stars 57 planetary nebula 56 Magnetars 56 TrES 56 Quaoar 56 colliding galaxies 56 SMBHs 56 axions 56 Trojan asteroids 56 Cepheids 56 potentially habitable 56 chondrites 56 R#a# 56 orbits 56 supergiant stars 56 quark gluon plasma 56 X ray wavelengths 56 Saturnian moon 56 accretion disk 56 giant gaseous planets 56 baryons 56 gravitationally 56 atomic nuclei 56 plutoids 56 extrasolar planets orbiting 56 galaxy formation 56 smallest exoplanet 56 proplyds 56 Corot 9b 56 neutralino 56 Omega Centauri 56 galaxy 56 AB Aurigae 56 planets circling 56 spiral nebulae 56 planets astronomers 56 Milky Way 56 baryon 56 exoplanetary 56 boson 56 phyllosilicates 56 interstellar cloud 56 OGLE TR #b 55 gamma ray burst 55 BP Piscium 55 star Gliese 55 Gliese #d 55 Kuiper Belt 55 energetic cosmic rays 55 extrasolar planetary systems 55 Gliese #g 55 CoRoT 9b 55 blue supergiant 55 supermassive black hole 55 mesons 55 proto galaxies 55 VB #b 55 transiting planet 55 relativistic particles 55 luminosities 55 rotating neutron stars 55 Fomalhaut b 55 Oort Cloud 55 Beta Pictoris 55 coronal loops 55 Type Ia supernova 55 Kuiper belt object 55 Andromeda Galaxy 55 Pluto Eris 55 exosolar planets 55 Jupiter Saturn Uranus 55 galactic clusters 55 distant quasars 55 HAT P 55 HM Cancri 55 Goldilocks planet 55 exosphere 55 antimatter particles 55 galactic cosmic rays 55 VY Canis Majoris 55 protoplanetary discs 55 Andromeda galaxy 55 Kuiper Belt Objects 55 Maunder minimum 55 silicon monoxide 55 type Ia supernova 55 ionized hydrogen 55 gravitational microlensing 55 Galilean satellites 55 Higgs bosons 55 X ray emission 55 Cancri 55 Milky Way Galaxy 55 Gliese #c 55 outer planets 55 circular orbits 55 retrograde orbit 55 tholins 55 icy comets 55 CAIs 55 ULIRGs 54 silicate dust 54 supernovas 54 eclipsing binary 54 SMBH 54 SN #A 54 gaseous 54 magma ocean 54 nucleosynthesis 54 interacting galaxies 54 silicates 54 Wolf Rayet star 54 planets Uranus 54 weakly interacting 54 HD #b [001] 54 distant galaxy 54 Arches Cluster 54 planets moons 54 type Ia supernovae 54 trans Neptunian objects 54 supernova remnants 54 Kuiper Belt Object 54 Supernovae 54 dense neutron stars 54 cosmological theories 54 photosphere 54 orbiting planets 54 lunar crust 54 magnetic monopoles 54 baryonic 54 Gliese 54 hydrated minerals 54 planets orbiting sun 54 planets comets 54 supergiants 54 Super Earths 54 planetary orbits 54 Cepheid variables 54 Cosmic rays 54 dwarf planets 54 pulsar 54 galactic cores 54 Alfven waves 54 CMB radiation 54 supernova 54 interstellar dust clouds 54 exo planets 54 leptons 54 nebular 54 Bose Einstein condensate 54 Saturn rings 54 Spiral galaxies 54 exoplanet orbiting 54 sterile neutrinos 53 galaxies collide 53 dense clumps 53 SN#A 53 superfluids 53 carbonaceous chondrites 53 tidal tails 53 SN #D 53 Bullet Cluster 53 bosons 53 Eta Carinae 53 atoms 53 B mesons 53 Orion nebula 53 energetic electrons 53 Jovian moons 53 Zeta Ophiuchi 53 gravitational interaction 53 hydrogen helium 53 active galactic nucleus 53 Earths orbiting 53 planet WASP #b 53 Dwarf galaxies 53 Microlensing 53 ionized gas 53 intrinsic brightness 53 sparticles 53 Saturn moons 53 Neptune Uranus 53 nebula 53 cosmic phenomena 53 globular star 53 Toutatis 53 Astronomers 53 interstellar medium 53 J# +# [002] 53 spherically symmetric 53 periodic dimming 53 eclipsing binaries 53 supersymmetric 53 bosonic 53 neutrinos 53 filaments 53 neutrino mass 53 dimers 53 Wolszczan 53 antiparticle 53 Gravitational waves 53 planets circling stars 53 ejecta 53 ultraviolet wavelengths 53 gravitational radiation 53 magnetospheres 53 astronomical objects 53 nuclei 53 Hanny Voorwerp 53 radial velocity method 53 UDFy # 53 proto planetary disk 53 transiting exoplanet 53 millisecond pulsar 53 P/# A2 53 Type Ia supernovae 53 radial velocity technique 53 Red Rectangle 53 circumstellar disk 53 moon Ganymede 53 highly elliptical orbits 53 ultracold atoms 53 aurorae 53 R Coronae Borealis 53 electron neutrinos 53 spherical halo 53 cosmic cannibal 53 NGC# 53 Helmi stream 53 Betelgeuse 53 God Particle 52 novae 52 gravitational perturbations 52 Extrasolar planets 52 supersymmetry 52 gravitational attraction 52 elliptical orbits 52 reionization 52 hematite mineral 52 Bose Einstein condensates 52 redshifts 52 Pieter van Dokkum 52 quarks 52 inhabitable planets 52 constellation Hercules 52 masers 52 Higgs particle 52 AU Mic 52 organic molecules 52 proto cluster 52 Helix Nebula 52 shorter wavelengths 52 sodium atoms 52 CoRoT satellite 52 meteoroids 52 Weakly Interacting Massive Particles 52 planet Gliese #g 52 HD# [002] 52 baryonic matter 52 stony meteorites 52 redshift 52 S/# P2 52 Cosmologists 52 kaons 52 hadrons 52 solitons 52 phonons 52 galactic mergers 52 Kepler 9c 52 Large Magellanic Cloud 52 spheroidal 52 PZ Tel 52 Stephan Quintet 52 Triangulum 52 GQ Lupi 52 submillimeter galaxies 52 proto planetary disks 52 gravitational lensing 52 supercontinent 52 cosmological distances 52 infall 52 Small Magellanic Cloud 52 asteroidal 52 coronal mass ejections 52 hydrogen atoms 52 sunlike star 52 Crab Nebula 52 positrons 52 exoplanetary systems 52 superfluid 52 Earthlike planet 52 interstellar dust grains 52 moons Phobos 52 giant elliptical galaxies 52 astronomers 52 Gondolo 52 X ray observatories 52 relativistic jets 52 XTE J# 52 impactors 52 Bug Nebula 52 Saturn outermost ring 52 Uranus 52 planet transits 52 SIRTF 51 Gliese #e 51 asteroids 51 binary asteroid 51 Enceladus 51 antiprotons 51 distant quasar 51 Martian meteorites 51 gravitational tugs 51 planet Uranus 51 GRB # 51 carbonate minerals 51 carbonate globules 51 gravitational waves 51 Hawking radiation 51 dust enshrouded 51 Saturn Jupiter Uranus 51 SUSY 51 mantle plumes 51 RS Ophiuchi 51 Type Ia supernovas 51 COROT 51 X ray emitting 51 Delta Cephei 51 Kepler 9b 51 asteroseismology 51 gravitational wobbles 51 Type 1a supernovae 51 volcanic moon Io 51 cosmic microwave background 51 superfluidity 51 missing baryons 51 potentially habitable planets 51 clathrates 51 circumstellar 51 Galaxy Evolution 51 transiting exoplanets 51 Eagle Nebula 51 innermost planet 51 magnetospheric 51 presolar grains 51 silicate minerals 51 planetoids 51 nucleon 51 Cosmic Microwave Background 51 polycyclic aromatic hydrocarbons 51 Venusian atmosphere 51 chlorine monoxide 51 filamentary structure 51 Noctilucent clouds 51 sterile neutrino 51 Pegasi 51 HIP #b 51 extrasolar planet HD #b 51 gravitational tides 51 strange quark 51 constellation Taurus 51 blue straggler 51 Rydberg atoms 51 Pleiades cluster 51 constellation Virgo 51 spatially resolved 51 SN #C 51 observable universe 51 celestial bodies 51 Peony nebula star 51 fainter objects 51 PSR J# 51 interstellar grains 51 earthlike planets 51 elongated orbit 51 Pulsars 51 galaxy M# [002] 51 emission nebula 51 dwarf spheroidal galaxies 51 exo planet 51 IntergalaticEarth 51 asterism 51 subsurface ocean 51 planet Gliese #c 51 neutrino 51 magnetic fields 51 smallest extrasolar planet 51 Proxima Centauri 51 spiral galaxy 51 suns 51 interstellar dust 51 Virgo cluster 51 microquasar 51 Bose Einstein Condensate 51 trimers 51 astrophysical objects 51 constellation Ursa Major 50 exoplanets planets outside 50 magnetosphere 50 noctilucent clouds 50 asteroids comets 50 Pluto Charon 50 faint galaxies 50 comet 50 W boson 50 gravitational lenses 50 tau neutrinos 50 CoRoT 50 Rydberg atom 50 Fornax cluster 50 atomic particles 50 Geminids 50 Bose Einstein condensation 50 gluon 50 mu Arae 50 maser emission 50 SNR #-#.# 50 planetary magnetospheres 50 meson 50 exoplanets planets 50 moon Charon 50 extrasolar worlds 50 nucleobases 50 Comet Halley 50 Jupiter icy moons 50 constellation Cassiopeia 50 spacecraft flyby 50 afterglows 50 prominences 50 Galaxies 50 star Beta Pictoris 50 moonlet 50 highly magnetized neutron 50 electroweak 50 planets atmospheres 50 primitive meteorites 50 GRB #B 50 supermassive stars 50 Gamma rays 50 cosmic ray collisions 50 Spitzer Space Telescope 50 blazar 50 Mandushev 50 unpaired electrons 50 planet gravitational tug 50 quasiparticles 50 occultations 50 subatomic particles 50 Rayleigh scattering 50 comets asteroids 50 stellar occultations 50 Io Europa 50 supergiant 50 massless particles 50 jovian 50 MG J# +# 50 Jupiter moon Io 50 Evolution Explorer 50 graphite whiskers 50 RRATs 50 Carina Nebula 50 plutons 50 planetary nebulas 50 GALEX 50 cuprates 50 -# Celsius [001] 50 Gemini constellation 50 supernovae explosions 50 deuterium 50 vortices 50 cometary material 50 moons 50 B meson 50 galactic halo 50 supergiant star 50 spectroscopic observations 50 quantum particle 50 dusty disks 50 carbonaceous chondrite 50 hadron 50 spicules 50 chromosphere 50 -# degrees Fahrenheit [002] 50 asteroid belt 50 COROT 7b 50 moon Titan 50 Tarantula Nebula 50 distant supernovas 50 unicellular 50 Sagittarius dwarf galaxy 50 rubidium atoms 50 TNOs 50 Mud volcanoes 49 W bosons 49 positronium 49 exciton 49 sun corona 49 gaseous envelope 49 gravitational pulls 49 solar flares 49 Milankovitch cycles 49 Hubble observations 49 stromatolites 49 Haumea 49 strangelets 49 nebulas 49 olivine 49 HII regions 49 Exoplanets 49 unconventional superconductivity 49 dinoflagellates 49 XO 3b 49 pions 49 Jupiter Uranus 49 Saturn magnetosphere 49 ultracold 49 Earth magnetosphere 49 planetoid 49 high redshift galaxies 49 Spitzer infrared spectrograph 49 Coma Cluster 49 Perseids 49 Lagoon Nebula 49 electron neutrino 49 potassium atoms 49 excitons 49 dynamical evolution 49 rocky terrestrial planets 49 covalent bonds 49 Astrophysicists 49 dye molecules 49 Solar System 49 Queloz 49 post perovskite 49 Cat Paw Nebula 49 dwarf spheroidal 49 helium atoms 49 spacetime 49 atom smashers 49 galaxy M# [001] 49 RX J# 49 Iapetus 49 COROT exo 3b 49 fermionic 49 Hyades cluster 49 gaseous methane 49 Alex Filippenko 49 corona 49 Quadrantid meteor shower 49 gamma rays 49 Uranus Neptune 49 Fermions 49 G#.# +#.# 49 axion 49 Active Galactic Nuclei 49 outermost planets 49 supernovae explode 49 hypernova 49 Type Ia 49 diffuse aurora 49 muon 49 planetary 49 Bill Borucki Kepler 49 Orionids 49 Konacki 49 planetesimal 49 stellar seismology 49 cosmic gamma rays 49 polar vortex 49 optical lattices 49 buckyballs 49 solar corona 49 Mimas 49 ULP cepheids 49 emit X rays 49 helium nuclei 49 galactic collisions 49 star Proxima Centauri 49 accreting 49 Muons 49 Mars Uranus 49 De Pontieu 49 mesosphere 49 photosynthetic organisms 49 coronal mass ejections CMEs 49 comet nuclei 49 lunar craters 49 brightest supernova 49 moon Europa 49 intracluster 49 neutrons 49 earths 49 silicate grains 49 supersolid 49 Titan smoggy 49 tidally locked 49 auroras 49 spicule 49 Virgo Cluster 49 Saturn moon 49 Trapezium 49 constellation Lyra 49 chemical abundances 49 barred spiral galaxy 49 elemental abundances 49 habitable planet 49 tidally 49 plutoid 49 moons orbiting Pluto 49 fermionic atoms 49 Epsilon Aurigae 49 dynamical 49 William Borucki 49 Geminga 49 astrophysicists 49 antiquarks 49 cosmologists 49 alpha particles 49 single celled organisms 49 Planetary nebulae 48 quark 48 solar neutrinos 48 particles WIMPs 48 radioactive nuclei 48 assumed planets circling 48 Jupiter Ganymede 48 subatomic particle 48 IRC +# 48 supercontinents 48 BLG #L 48 X ray pulses 48 binary asteroids 48 lavas 48 Pluto 48 Comet Tempel Tuttle 48 polar caps 48 Doradus 48 plesiosaurs 48 inner moons 48 extremophiles 48 coccolithophores 48 galaxy NGC 48 celestial object 48 thermonuclear reactions 48 silicate crystals 48 HARPS spectrograph attached 48 meteoritic material 48 magnetic reconnection 48 planetary atmospheres 48 mineral olivine 48 silicate mantle 48 moon Enceladus 48 antihydrogen atoms 48 ALH# 48 nitrogen atoms 48 gamma ray photons 48 HARPS instrument 48 habitable worlds 48 collisional 48 Venus Neptune Uranus 48 supernova remnant 48 Venus Uranus 48 gravitational lens 48 moons Europa 48 extragalactic 48 antineutrinos 48 lunar meteorites 48 microlensing 48 Butterfly Nebula 48 giant elliptical galaxy 48 cosmological constant 48 heliosphere 48 Solar flares 48 permanently shadowed craters 48 zodiacal light 48 Rossby waves 48 Triangulum Galaxy 48 branes 48 lunar perigee 48 SMM J# 48 magnetopause 48 asteroids orbiting 48 Higgs Boson 48 Saturnian 48 foreground galaxy 48 particle colliders 48 interstellar molecules 48 martian atmosphere 48 magnons 48 galaxies quasars 48 TW Hydrae 48 distant galaxy clusters 48 comet McNaught 48 planet HD#b 48 energetic gamma rays 48 colliders 48 crystal lattices 48 quantum particles 48 Gal Yam 48 volcanic vents 48 meteorites 48 Earths 48 kerogen 48 Mini TES 48 spiral galaxy M# 48 particle detectors 48 molten droplets 48 equatorial regions 48 colloidal crystals 48 Supernova #A 48 antihelium 4 48 TGFs 48 comet nucleus 48 crystalline silicates 48 substorms 48 prograde 48 cosmic ray particles 48 cosmic strings 48 orbits Saturn 48 Io volcanoes 48 galaxy Andromeda 48 UB# [003] 48 muons 48 aerosol particles 48 largest moon Charon 48 Mercury Uranus 48 moons JAXA 48 Grillmair 48 lensing galaxy 48 microlensing events 48 Wilkinson Microwave Anisotropy Probe 48 lepton 48 osmium 48 submillimeter wavelengths 48 spectroscopically 48 moon Mimas 48 meteoroid impacts 48 gravitons 48 reflection nebula 48 Crab pulsar 48 quasicrystal 48 constellation Cetus 47 hydrogen nuclei 47 spinning neutron stars 47 moons Io 47 oblate spheroid 47 Bosons 47 photons particles 47 Hubble Constant 47 noble gases 47 continental crust 47 Seyfert galaxies 47 methanogens 47 permanently shadowed regions 47 spinning neutron 47 orbital resonance 47 Gliese #G 47 occulted 47 silica particles 47 spherical particles 47 planets asteroids 47 moons orbiting Saturn 47 ionised gas 47 van Dokkum 47 blackbody 47 moon Mab 47 KH #D 47 gamma ray emission 47 Feshbach resonance 47 sunspots 47 Perseus Cluster 47 Crab Pulsar 47 Saturn Enceladus 47 heavily cratered 47 particles 47 protoplanetary 47 high temperature superconductors 47 Supermassive black 47 Mott insulator 47 forams 47 positron 47 asymptotic freedom 47 wavefunction 47 orbital eccentricity 47 liquid droplets 47 Nasa spacecraft 47 nucleons 47 permanently shadowed 47 magnetotail 47 Quadrantids 47 Alfvén waves 47 strangelet 47 superconducting materials 47 Pleiades star 47 Geminid 47 polar stratospheric 47 lithium atoms 47 molten magma 47 cosmological models 47 orbiting 47 Nikku Madhusudhan 47 abundances 47 moon Dione 47 muon neutrinos 47 planetary Transits 47 superatoms 47 VHE gamma rays 47 brightnesses 47 asteroid 47 silicate rocks 47 lobate scarps 47 Pauli exclusion 47 single celled algae 47 Mate Adamkovics 47 superheavy elements 47 quantum tunneling 47 Meridiani 47 constellation Aquarius 47 gamma rays emitted 47 Fermi telescope 47 coronal holes 47 antihelium 47 cosmic dust 47 Jupiter moons 47 gamma ray bursts GRBs 47 zodiacal dust 47 gravitational instabilities 47 meteor impacts 47 SN #E 47 galactic bulge 47 hydroxyl 47 strange quarks 47 millimeter wavelengths 47 Z boson 47 Tianyulong 47 IRAS 4B 47 relativistic protons 47 Z bosons 47 infalling gas 47 Pegasus constellation 47 pyroxene 47 outer corona 47 coronal heating 47 prebiotic molecules 47 volcanic lava flows 47 polaritons 47 southern supercontinent 47 X ray telescopes 47 foraminifera 47 SCP #F# 47 single celled