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(Click for frequent words.) 73 planets orbiting sun 72 planets orbiting distant 71 Beta Pictoris b 70 smallest exoplanet 69 sized planets orbiting 68 exo planets 68 radial velocity method 68 exoplanets orbiting 68 extrasolar 68 Fermi telescope 67 Earthlike planets 67 habitable worlds 67 transiting planets 66 exoplanetary 66 AU Mic 66 super Earths 66 planets orbiting stars 66 exoplanet orbiting 65 Cancri 65 Earthlike planet 65 Corot 7b 65 gravitational microlensing 65 GJ #b [001] 65 exosolar planets 65 Kepler #b 65 planets orbiting 65 WASP #b 65 radial velocity technique 65 exoplanets 64 exo planet 64 OGLE TR #b 64 inhabitable planets 64 GJ#b 64 exoplanets planets 64 star Gliese 64 microlensing events 64 planet HD #b 64 NASA Kepler spacecraft 64 transiting exoplanets 64 Epsilon Eridani 64 exoplanets planets outside 63 sunlike stars 63 Kepler 9c 63 occultations 63 Gliese #c 63 CoRoT satellite 63 extrasolar planet 63 planets circling stars 63 MG J# +# 63 cosmological distances 63 planetary Transits 63 Gliese #e 63 planets circling 63 brightest supernova 63 TrES 4 62 Nasa Kepler 62 transiting planet 62 planetary transits 62 planemos 62 extrasolar planets 62 AGNs 62 TrES 62 ray Space Telescope 62 habitable planets 62 dust enshrouded 62 extrasolar worlds 62 mu Arae 62 magnetars 62 CoRoT 9b 62 earthlike planets 62 G#.# +#.# 62 Fomalhaut b 62 galaxy M# [001] 62 fainter objects 62 Bug Nebula 62 Cygnus Lyra region 61 planet orbiting 61 VB #b 61 rocky planets 61 Charon Pluto 61 periodic dimming 61 Corot 9b 61 R Coronae Borealis 61 microlensing 61 stellar occultations 61 constellation Carina 61 Kuiper belt objects 61 HD #b [002] 61 Beta Pictoris 61 spectroscopically 61 protoplanetary 61 type Ia supernova 61 distant supernovas 61 distant supernovae 61 radial velocity 61 ESA XMM Newton 61 retrograde orbits 61 SMM J# 61 BLG #Lb 61 intracluster 61 supermassive 61 planet Gliese #g 61 planets 61 J# +# [002] 61 X ray binaries 61 BP Piscium 61 Orion nebula 61 Upsilon Andromedae b 61 Wolszczan 60 protoplanetary discs 60 type Ia supernovae 60 eclipsing binary 60 electron neutrinos 60 HM Cancri 60 COROT 60 GJ #b [002] 60 geoneutrinos 60 NASA Kepler 60 red supergiant 60 stellar nurseries 60 habitable zones 60 comet Lulin 60 exoplanet 60 Omega Centauri 60 CoRoT #b 60 Samuel Oschin Telescope 60 Sagittarius B2 60 potentially habitable 60 spectroscopic observations 60 asteroseismology 60 Gliese #g 60 Red Rectangle 60 planet orbits 60 GQ Lupi 60 Type Ia supernova 60 circumstellar disks 60 Delta Cephei 60 SN #C 60 red supergiants 60 Zeta Ophiuchi 60 Upsilon Andromedae 60 interstellar cloud 60 hypervelocity stars 60 lightest exoplanet 59 COROT 7b 59 Cancri e 59 transiting exoplanet 59 Arches Cluster 59 Gamma ray bursts 59 Keck Interferometer 59 filamentary structure 59 gamma ray observatory 59 GRB #A 59 HD# [002] 59 Perseus Cluster 59 SN #gy 59 IntergalaticEarth 59 moons orbiting 59 moon Enceladus 59 merging galaxies 59 X ray binary 59 TNOs 59 HD#b 59 asteroids comets 59 Kepler spacecraft 59 brown dwarfs 59 astrophysical objects 59 gaseous planets 59 infrared telescopes 59 distant quasar 59 Saturn outermost ring 59 Epsilon Aurigae 59 intrinsic brightness 59 luminous galaxies 59 X ray observatory 59 GRBs 59 millisecond pulsar 59 constellation Hercules 59 Kuiper Belt object 59 X ray telescopes 59 supersymmetric particles 59 lunar crust 59 Extrasolar planets 59 potentially habitable planets 59 CoRoT 7b 59 Cepheid variables 59 Kuiper Belt Object 59 gaseous planet 59 ultraviolet wavelengths 59 asteroid collisions 59 faint galaxies 59 X ray observatories 59 icy moons 59 Kuiper Belt Objects 59 globulars 59 Konacki 58 GRB #B 58 cosmic cannibal 58 Rosette Nebula 58 permanently shadowed craters 58 PSR J# 58 axions 58 CoRoT 58 millisecond pulsars 58 planet Uranus 58 habitable planet 58 outermost planet 58 starburst galaxies 58 RRATs 58 cluster NGC 58 X ray afterglow 58 stellar seismology 58 distant galaxy 58 extrasolar planetary systems 58 submillimetre wavelengths 58 HARPS instrument 58 silicate dust 58 planetary nebulae 58 Type 1a supernovae 58 protoplanetary disk 58 constellation Aquarius 58 planet Gliese #c 58 KBOs 58 #P/Churyumov-Gerasimenko 58 hydrated minerals 58 dustier stormier atmosphere 58 UDFy # 58 BLG #L 58 smallest extrasolar planet 58 active galactic nucleus 58 plutoids 58 planets astronomers 58 innermost planet 58 Fashion Movie Reviews 58 submillimeter wavelengths 58 gravitational lens 58 active galactic nuclei 58 smallest exoplanets 58 Coma Cluster 58 biosignatures 58 trans Neptunian objects 58 X ray wavelengths 58 baryon 58 distant quasars 58 Gliese #d 58 planets atmospheres 58 Antennae Galaxies 58 neutrino particles 58 GALEX 58 gravitational radiation 58 SN #A 58 Type Ia supernovas 58 Jovian moon 58 RXTE 58 distant galaxy clusters 57 Higgs bosons 57 comets asteroids 57 astrometry 57 AB Aurigae 57 spherical halo 57 Comet Holmes 57 constellation Centaurus 57 Jupiter moon Io 57 eclipsing binaries 57 asteroids orbiting 57 constellation Cassiopeia 57 Quadrantid meteor shower 57 Douglas Hudgins Kepler 57 Henize #-# 57 HIRES spectrometer 57 HL Tau 57 Galilean moons 57 Earths orbiting 57 planets comets 57 supergiant stars 57 lensing galaxy 57 largest moon Charon 57 Bok globules 57 protoplanetary disks 57 NEAs 57 proto cluster 57 Hubble Space Telescope HST 57 discover Fomalhaut 57 interstellar dust grains 57 HAT P 57 microlensing technique 57 rocky extrasolar planet 57 Milky Way Galaxy 57 baryonic matter 57 diffuse aurora 57 Wilkinson Microwave Probe 57 hexagonal mirrors 57 astrophysical phenomena 57 masers 57 Comet Lulin 57 cosmic phenomena 57 NASA Kepler telescope 57 terrestrial planets 57 Gliese #G 57 Earthlike 57 GLAST telescope 57 Comet Elenin 57 Goldilocks planet 57 Galilean satellites 57 interstellar dust clouds 57 nucleosynthesis 57 orbiting observatories 57 Cosmic Microwave Background 57 Saturn Enceladus 57 elongated orbits 57 Kuiper belt object 57 SMBHs 57 Spitzer Space Telescope 57 Magnetars 57 protostars 57 moons circling 57 Chi Cygni 57 gravitationally bound 57 Andromeda halo 57 Solar TErrestrial RElations Observatory 57 SN #D 57 elliptical galaxy NGC 57 earthshine 56 distant galaxies 56 ESO VLT 56 Exoplanets 56 radioactive nuclei 56 jovian 56 NASA Far Ultraviolet 56 Small Magellanic Cloud 56 Keck telescope 56 XMM Newton 56 Hot Jupiters 56 planetary nebulas 56 Orion constellation 56 NASA Fermi Gamma 56 Fomalhaut 56 exoplanet atmospheres 56 star Fomalhaut 56 spatially resolved 56 globular clusters 56 VY Canis Majoris 56 orbiting Chandra 56 Pluto Charon 56 magnetar 56 missing baryons 56 galaxy M# [002] 56 Carina constellation 56 Supernova #A 56 Planck satellite 56 Ulysses spacecraft 56 moons Phobos 56 Keck telescopes 56 IRC +# 56 Heliospheric Observatory SOHO 56 HIP #b 56 Uranus Neptune 56 star Spica 56 dimming starlight 56 SNR #-#.# 56 Gamma ray burst 56 interstellar molecules 56 redshifts 56 HARPS spectrograph attached 56 constellation Eridanus 56 Saturnian system 56 detect gravitational waves 56 Orionid meteors 56 Jovian moons 56 Milky Way halo 56 optical wavelengths 56 Eta Carinae 56 La Silla Chile 56 Pluto Eris 56 Orion Nebula 56 Convection Rotation 56 gamma rays X rays 56 hot Jupiters 56 faintest galaxies 56 hunting Kepler telescope 56 planet TrES 56 hypervelocity star 56 coronal loops 56 Crab Pulsar 56 dynamical evolution 56 galaxy clusters 56 Higgs boson particle 56 star Beta Pictoris 56 astronomer Clyde Tombaugh 56 Kuiper Belt objects 56 BP Psc 56 neutrino mass 56 interstellar grains 56 dwarf spheroidal galaxies 56 gravitational lenses 56 elliptical galaxy 56 Gravitational waves 56 celestial object 56 planet gravitational tug 56 retrograde orbit 56 extrasolar planet HD #b 56 shadowy craters 56 Venus Neptune Uranus 56 star Proxima Centauri 56 crystalline silicates 56 Tarantula Nebula 56 muon neutrino 56 Galactic cosmic rays 56 brown dwarf 56 Submillimeter Array 56 GRB # 56 dwarf galaxies 56 Saturn magnetosphere 56 spectroscopic measurements 56 Cat Paw Nebula 56 Comet NEAT 56 OGLE TR 56 asteroids WISE 56 interacting galaxies 56 Gondolo 55 telescopes astronomers 55 planet WASP #b 55 NASA THEMIS 55 solar corona 55 HD #b [001] 55 subsurface ocean 55 Ontario Lacus 55 Proxima Centauri 55 galactic cosmic rays 55 Mandushev 55 GROND 55 galactic bulge 55 Comet Hartley 55 constellation Cetus 55 Eagle Nebula 55 PSR B# +# 55 gamma ray flares 55 Pluto dwarf 55 Quadrantids 55 supergiant star 55 XO 3b 55 infrared wavelengths 55 metallicity 55 blue straggler 55 Fornax cluster 55 CMB radiation 55 Exoplanet 55 starquakes 55 interstellar dust particles 55 sunlike star 55 cosmic gamma rays 55 THEMIS satellites 55 circumstellar 55 twin ultrasonic rangefinders 55 Cepheids 55 photosphere 55 blazars 55 V# Mon 55 astronomers 55 Lagoon Nebula 55 Bill Borucki Kepler 55 starburst galaxy 55 planets constellations 55 optical telescopes 55 RS Ophiuchi 55 supernovae 55 ionized hydrogen 55 Kepler Mission 55 ULP cepheids 55 Andromeda galaxy 55 Stephan Quintet 55 Super Earths 55 Diviner 55 afterglows 55 fading afterglow 55 spiral galaxy Messier 55 Herschel Space 55 Herschel Space Telescope 55 starlike object 55 binary asteroid 55 Hubble observations 55 asteroidal 55 Earth asteroids 55 volcanic moon Io 55 spiral nebulae 55 Neutron stars 55 shadowed craters 55 Wolf Rayet stars 55 Type Ia supernovae 55 redshift 55 orbiting Cassini spacecraft 55 outer corona 55 blue supergiant 55 Pegasus constellation 55 Microlensing 55 spectral fingerprint 55 unaided eye 55 Saturn outermost 55 moon Mab 55 Alex Filippenko 55 Muchachos Observatory 55 neutralinos 55 proto galaxies 55 gamma ray bursts 55 blazar 55 Spitzer infrared 55 NASA Wilkinson Microwave 55 Great Observatories 55 moon Europa 55 antihelium 4 55 submillimeter galaxies 54 cosmic magnifying glass 54 ESA Integral 54 constellation Lyra 54 solar neutrinos 54 Martian meteorites 54 HESS telescopes 54 Crab Nebula 54 Pieter van Dokkum 54 X ray Observatory 54 exosphere 54 Virgo cluster 54 constellation Virgo 54 circumstellar disk 54 Oort cloud 54 polar mesospheric clouds 54 Elenin 54 ROSAT 54 Planetary Transits 54 exoplanetary systems 54 planets orbits 54 extragalactic 54 Pegasi 54 TW Hydrae 54 Neptune Uranus 54 spinning neutron 54 WMAP satellite 54 tidal bulge 54 Comet Hale Bopp 54 cometary material 54 Giovanni Cassini 54 neutralino 54 galaxy cluster 54 strange quark 54 orbiting Kepler telescope 54 antineutrinos 54 STEREO spacecraft 54 astronomical objects 54 Saturn moons 54 Higgs Boson particle 54 Mauna Kea Hawaii 54 icy comets 54 SIM PlanetQuest 54 gamma ray emission 54 antiparticle 54 gamma ray burst 54 galactic clusters 54 planetary embryos 54 giant gaseous planets 54 equatorial bulge 54 matter antimatter asymmetry 54 Gliese 54 assumed planets circling 54 galaxy redshift 54 reflection nebula 54 hematite mineral 54 Ring Nebula 54 WM Keck Observatory 54 XMM Newton X ray 54 GRB# 54 SINFONI 54 Eta Aquarid meteor shower 54 extraterrestrial civilizations 54 ULIRGs 54 amateur astronomers peering 54 Martian rovers 54 outer planets 54 N. Rathnasree 54 gravitationally lensed 54 mineralogical composition 54 called gravitational microlensing 54 carbonaceous chondrites 54 Evolution Explorer 54 meteoritic material 54 Venusian atmosphere 54 cosmic microwave radiation 54 pulsars 54 noctilucent clouds 54 unmanned probes 54 galactic cores 54 constellation Bootes 54 COROT exo 3b 54 XTE J# 54 Hubble orbits 54 WIMPs 54 supernovae explode 54 nebula NGC 54 Astrophysics MOA 54 moons orbiting Saturn 54 Spitzer infrared spectrograph 54 Kuiper belt 54 Higgs particle 54 VLTI 54 starlike 54 constellation Lacerta 54 infrared photons 54 galaxy NGC 54 orbiting Hubble Space Telescope 54 infrared astronomy 54 Mpc 54 Wolf Rayet star 54 Keck Telescope 54 supernovas 54 ultraviolet radiation emitted 54 ESO PR 54 Sasselov 54 Cosmic rays 54 z ~ 54 habitable zone 54 X ray spectrometer 54 Anisotropy Probe WMAP 54 spacecraft orbiting 53 SDSS II 53 electroweak 53 Fetal heartbeats 53 orbiting gamma ray 53 comets orbiting 53 planets moons 53 binary quasar 53 Kepler Space Telescope 53 Uranus Jupiter 53 Sagittarius dwarf galaxy 53 polarimetry 53 cosmic neutrinos 53 magnetospheres 53 Lulin 53 homochirality 53 nebular 53 Trojan asteroids 53 Neutron Spectrometer 53 constellation Auriga 53 Kepler Telescope 53 exoplanet hunter 53 UVOT 53 spinning neutron stars 53 neutral mass spectrometer 53 zodiacal light 53 Observatory Very 53 undiscovered particle 53 ringed planet 53 aurorae 53 interstellar dust samples 53 extrasolar planetary 53 Weakly Interacting Massive Particles 53 Jupiter Saturn 53 PKS #-# 53 WFC3 53 William Borucki 53 orbiting observatory 53 driest continents 53 spectral characteristics 53 smoothest flattest spot 53 e MERLIN 53 Extrasolar Planet Search 53 SuperWASP 53 airglow 53 constellation Scorpius 53 orbiting planets 53 gravitational wobbles 53 constellation Andromeda 53 Comet Hartley 2 53 Coma cluster 53 Nasa spacecraft 53 constellation Vulpecula 53 KH #D 53 Mercury Uranus 53 PASADENA Calif. Astronomers 53 Rayleigh scattering 53 planetary atmospheres 53 SUSY 53 Gemini constellation 53 optical interferometry 53 VHE gamma rays 53 Neptune Jupiter 53 spacecraft flyby 53 Eridani 53 superheavy element 53 Saturn innermost 53 planetary astronomy 53 Maunder minimum 53 Butterfly Nebula 53 Pleiades star 53 Super Kamiokande 53 GZK cutoff 53 PSR J# +# 53 lunar craters 53 X ray pulses 53 protostar 53 Oort Cloud 53 Tarantula nebula 53 smallest exoplanet ever 53 Wide Angle Search 53 galactic disk 53 Gravitational lensing 53 Mars Uranus 53 Milky Way galaxy 53 AKARI 53 moon Charon 53 Malcolm Fridlund 53 trap antimatter atoms 53 galaxy formation 53 RQ# 53 Saturnian moon 53 sulfate aerosols 53 photometry 53 galaxies 53 phyllosilicates 53 mineral olivine 53 highly magnetized neutron 53 penumbral lunar eclipse 53 lunar perigee 53 Ultraviolet radiation 53 YORP effect 53 constellation Ursa Major 53 VISTA telescope 53 THEMIS mission 53 luminosities 53 brightnesses 53 Saturn Cassini 53 Doppler shifts 53 Libra constellation Vogt 53 proplyds 53 thrilling stargazers 53 X ray emission 53 barred spiral galaxy 53 Subaru telescope 53 Spectroscopic Explorer 53 permanently shadowed regions 53 novae 53 protoplanet 53 olivines 53 gravitational lensing 53 coronal loop 53 frigid arctic plains 53 whiz harmlessly 53 P/# A2 53 brightest comet 53 thermonuclear fusion 53 Mars moon Phobos 53 binary asteroids 53 accretion disks 53 galaxies collide 53 sterile neutrino 53 biosignature 53 quasars 53 Sara Seager 53 highly elliptical orbits 53 carbonate globules 53 distant suns 53 IRAS 4B 53 Invisibility cloak 53 Trifid Nebula 53 infalling gas 53 SMBH 52 Mars Neptune Uranus 52 nicknamed Xena 52 Viking Lander 52 Boethin 52 RX J# 52 interstellar clouds 52 Triangulum Galaxy 52 Quaoar 52 tidally locked 52 APXS 52 detect gamma rays 52 photosynthetic organisms 52 antineutrino 52 reionization 52 Capak 52 MicroFUN 52 CDMS experiment 52 Near Infrared Camera 52 infrared spectrometers 52 comet Tempel Tuttle 52 planets Uranus 52 emit X rays 52 Jupiter icy moons 52 rocky terrestrial planets 52 EVLA 52 worm Caenorhabditis elegans 52 Goldilocks zone 52 tau neutrinos 52 Supernovae 52 Active Galactic Nuclei 52 icy moon Enceladus 52 Kepler discoveries 52 Mercury magnetosphere 52 IBEX spacecraft 52 Elliptical galaxies 52 celestial bodies 52 Trapezium 52 tau neutrino 52 elliptical galaxies 52 antimatter particles 52 Alfven waves 52 galaxy 52 submillimeter 52 Cosmic Microwave Background CMB 52 Carina Nebula 52 baryons 52 X ray emitting 52 isotopic compositions 52 Mars Uranus Neptune 52 Saturn moons Enceladus 52 PUVA psoralen plus 52 neutrino 52 Seyfert galaxies 52 tungsten isotopes 52 HD# [005] 52 Kepler 9b 52 comet McNaught 52 elongated orbit 52 supernova remnants 52 prograde 52 orbiting telescope 52 AERONET 52 occulted 52 MINOS experiment 52 visible wavelengths 52 Type Ia 52 Avishay Gal Yam 52 Astronomy buffs 52 interstellar dust 52 spectral fingerprints 52 particle analyzers 52 evaporite deposits 52 NASA STEREO 52 Thick smoke obscured 52 Titan Saturn 52 IRAS #-# 52 Galaxy Evolution 52 Gaensler 52 Aram Chaos 52 planet transits 52 Heterodyne Instrument 52 colliding galaxies 52 constellation Pegasus 52 Laser Interferometer Gravitational Wave 52 polar stratospheric 52 Kailash Sahu 52 sextillion stars 52 astronomical observatories 52 retroreflector 52 gamma ray photons 52 Cassini flybys 52 infrared observatory 52 Andromeda Galaxy 52 Multi Object Spectrometer 52 photons particles 52 CERN experiments 52 Christophe Lovis 52 Saturn aurora 52 lunar equator 52 galactic mergers 52 polar craters 52 gamma rays emitted 52 Noctilucent clouds 52 Cygnus X 52 Large Magellanic Cloud 52 found circling Gliese 52 Geminga 52 Optical Gravitational Lensing Experiment 52 equatorial plains 52 carbonate minerals 52 inner asteroid belt 52 comet Wild 52 planet magnetosphere 52 twin Voyager spacecraft 52 microquasar 52 satellites orbiting Earth 52 Herbig Ae Be 52 radioisotope thermoelectric generators 52 Makemake 52 asteroid Vesta 52 Dhanu Rashi 52 Epsilon Indi 52 element osmium 52 neutrino experiments 52 Ian McShane Pillars 52 moon Phobos 52 HiRISE image 52 aboard ESA Envisat 52 origins spectrograph 52 arcminutes 52 elliptical orbits 52 protons collide 52 HARPS 52 waxing crescent 52 spectroscopic technique 52 supernova SN 52 constellation Pisces 52 axial tilt 52 galaxies nebulae 52 Venus Uranus 52 Adam Riess 52 Solar Terrestrial Relations 52 faraway galaxies 52 inner Oort Cloud 52 SN#A 52 Earth orbiting satellites 52 zodiac constellations 52 ESO telescopes 52 Io Europa 52 TGFs 52 super perigee moon 52 nucleon 52 millimeter wavelengths 52 helium atoms 52 Cosmologists 52 gravity warps 52 tholins 52 optical spectra 52 van Arkel discovery 52 Extrasolar Planets 52 Compact Reconnaissance Imaging Spectrometer 52 microbial ecosystems 52 Toutatis 52 Extrasolar 52 Doradus 52 Amateur astronomers 52 dusty disks 52 Magellanic Clouds 52 eyepiece #/#s f/#.# 52 magnetic substorms 52 slender crescent 52 Mössbauer 51 ultracold temperatures 51 -# degrees centigrade [001] 51 extraterrestial 51 mantle plumes 51 Wilkinson Microwave Anisotropy Probe 51 WIMPS 51 Capricornus 51 Planck observatory 51 asteroids 51 lobate scarps 51 blackbody 51 Gamma ray bursts GRBs 51 cosmic particles 51 lunar meteorites 51 Anisotropy Probe 51 supernova 51 Comet Halley 51 Gamma rays 51 thin crescent 51 foreground galaxy 51 Cassini flyby 51 muon neutrinos 51 photometer 51 Pleiades cluster 51 supernova explosion 51 faint smudge 51 beautifully retro styled 51 Voyager probes 51 waning crescent Moon 51 SIRTF 51 Rossby waves 51 irregularly shaped asteroid 51 planetary 51 gravitational perturbations 51 Infrared Array Camera 51 Comet McNaught 51 Hanny Voorwerp 51 Virgo Cluster 51 cosmic ray particles 51 moonlets 51 NASA ESA Hubble 51 HII regions 51 chromosphere 51 Explorer WISE 51 Opportunity rover 51 Mars Jupiter Uranus 51 photon fluorescence 51 interstellar boundary 51 shorter wavelengths 51 candlelight firelight 51 ionized gases 51 Tauri Sb 51 submillimetre 51 boson 51 gravitational waves 51 coronagraph 51 Alycia Weinberger 51 comets meteors 51 Cepheid variable 51 Saturn moon Enceladus 51 Globular clusters 51 WISE infrared 51 Astronomers