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(Click for frequent words.) 70 eclipsing binary 70 Cepheid variables 67 earthshine 66 stellar seismology 66 Epsilon Aurigae 66 exoplanetary 65 Cepheid variable 65 filamentary structure 65 cosmological distances 65 Fermi telescope 65 Milky Way halo 65 Toutatis 65 cluster NGC 64 Gliese #e 64 Kuiper belt objects 64 HD#b 64 Cancri e 64 Konacki 64 intrinsic brightness 64 extragalactic 64 Comet Halley 64 SNR #-#.# 64 exoplanet orbiting 64 astrophysical phenomena 64 Bug Nebula 64 asteroseismology 64 WASP #b 63 Cepheids 63 Orion nebula 63 constellation Cassiopeia 63 radial velocity 63 GJ#b 63 airglow 63 retrograde orbit 63 Red Rectangle 63 KH #D 63 Corot 9b 63 Cosmic Microwave Background 63 reflection nebula 63 photometry 63 TrES 4 63 distant supernovae 63 Upsilon Andromedae 62 spectroscopically 62 J# +# [002] 62 extrasolar 62 zodiac constellations 62 X ray wavelengths 62 velocity dispersion 62 GJ #b [001] 62 OGLE TR 62 transiting exoplanets 62 X ray binaries 62 CMB radiation 62 GJ #b [002] 62 radial velocity technique 62 metallicity 62 exoplanets orbiting 62 microlensing events 62 ESO VLT 62 Quadrantid meteor shower 62 HiRISE image 62 HM Cancri 62 constellation Eridanus 62 RS Ophiuchi 62 spectroscopic measurements 62 elliptical galaxy NGC 62 GALEX 61 gravitational microlensing 61 Ulysses spacecraft 61 BLG #Lb 61 blue supergiant 61 Trifid Nebula 61 occultations 61 Mössbauer 61 AB Aurigae 61 transiting planets 61 polar mesospheric clouds 61 planets orbits 61 elongated orbits 61 Omega Centauri 61 RHESSI 61 Comet Holmes 61 infrared wavelength 61 gamma ray observatory 61 faint galaxies 61 lensing galaxy 61 ROSAT 61 astrometry 61 Rosette Nebula 61 planet Gliese #g 61 Keck Interferometer 61 Wolf Rayet stars 61 X ray observatory 61 planet orbits 61 Wolszczan 61 planet Gliese #c 61 nebular 61 Pleiades cluster 61 planetary transits 61 X ray afterglow 60 X ray telescopes 60 GRB #B 60 exo planets 60 luminosities 60 Corot 7b 60 CoRoT satellite 60 sized planets orbiting 60 ESO telescope 60 RRATs 60 SIRTF 60 Dumbbell Nebula 60 galaxy redshift 60 neutrino mass 60 Hipparcos 60 Beehive Cluster 60 Kuiper Belt Object 60 Hot Jupiters 60 nebulosity 60 distant quasar 60 HD# [002] 60 Beta Pictoris b 60 Lagoon Nebula 60 Crab Pulsar 60 smallest exoplanet 60 SDSS II 60 RXTE 60 COROT 60 Comet Machholz 60 Fomalhaut b 60 microquasar 60 luminous galaxies 60 starburst galaxy 60 R Coronae Borealis 60 Kepler #b 60 extrasolar planets orbiting 60 supergiant star 60 microlensing 60 galaxy M# [002] 60 galaxy M# [001] 60 interacting galaxies 60 Galilean moons 60 distant galaxy clusters 60 Planck satellite 60 gravitational redshift 60 noctilucent clouds 60 Noctilucent clouds 60 coronal loops 60 nucleosynthesis 60 V# Mon 60 red supergiant 60 Type Ia supernova 59 celestial sphere 59 millisecond pulsar 59 VLTI 59 electroweak 59 Ring Nebula 59 G#.# +#.# 59 KBOs 59 SN #A 59 circumstellar 59 CoRoT 7b 59 binary asteroid 59 novae 59 polarimetric 59 asterism 59 Earthlike planets 59 XMM Newton 59 Arches Cluster 59 X ray pulses 59 blazars 59 type Ia supernovae 59 Hubble observations 59 prograde 59 IRC +# 59 retrograde orbits 59 galaxy NGC 59 Trifid 59 WMAP satellite 59 transiting planet 59 planetary Transits 59 Gamma ray burst 59 zodiacal light 59 Henize #-# 59 Epsilon Eridani 59 HARPS instrument 59 gravitational radiation 59 jovian 59 rotational axis 59 planetary nebulas 59 periodic dimming 59 chromosphere 59 Stephan Quintet 59 starquakes 59 comet McNaught 59 COROT 7b 59 intracluster 59 Quadrantids 59 radial velocity method 59 coronagraph 59 NGC# 59 type Ia supernova 59 synthetic aperture 59 moon Io 59 millimeter wavelengths 59 Crab Nebula 59 Dwarf galaxies 59 Cat Paw Nebula 59 brightnesses 59 lunar equator 59 Charon Pluto 59 axion 59 Small Magellanic Cloud 59 AGNs 59 Orion constellation 59 carbonaceous chondrites 59 trans Neptunian objects 59 Syrtis Major 59 Triangulum Galaxy 59 photometric 59 Type Ia 59 RX J# 59 AU Mic 59 inhabitable planets 58 planet Uranus 58 SN #C 58 Muchachos Observatory 58 BP Piscium 58 Andromeda halo 58 periodicities 58 Coma Cluster 58 gamma ray flares 58 Anisotropy Probe WMAP 58 NASA Wilkinson Microwave 58 gravitational lenses 58 outermost planets 58 mu Arae 58 comet Lulin 58 cosmic microwave radiation 58 submillimetre 58 afterglows 58 UKIRT 58 constellation Virgo 58 planets orbiting distant 58 Samuel Oschin Telescope 58 PSR J# 58 retroreflector 58 Pluto Charon 58 Galaxy Evolution 58 planetary nebulae 58 photometer 58 infrared spectral 58 supermassive 58 Evolution Explorer 58 emission nebula 58 HL Tau 58 gravitational perturbations 58 Comet Hartley 2 58 infrared spectra 58 star Spica 58 galactic disk 58 Beta Pictoris 58 electron ion 58 constellation Aquarius 58 spatially resolved 58 Comet Elenin 58 globular cluster M# 58 red supergiants 58 obscuration 58 dust enshrouded 58 starburst galaxies 58 cosmic ray flux 58 constellation Taurus 58 astronomical telescope 58 GRB# 58 axions 58 planet transits 58 extrasolar planetary systems 58 comets orbiting 58 Cancri 58 redshifts 58 planetary orbits 58 Doppler shifts 58 submillimetre wavelengths 58 RS Oph 58 constellation Scorpius 58 Supernova #A 58 Kepler 9c 58 hexagonal mirrors 57 Scorpii 57 AKARI 57 proplyds 57 CoRoT #b 57 lunar crust 57 interstellar dust clouds 57 sundog 57 dynamical evolution 57 infrared astronomy 57 spectrographs 57 X ray emission 57 ESO PR 57 ultraviolet radiation emitted 57 millisecond pulsars 57 Helix nebula 57 ellipsoidal 57 Saturn moon Mimas 57 spectroscope 57 Cosmic Microwave Background CMB 57 Comet Tempel Tuttle 57 particle colliders 57 nebula NGC 57 Adaptive optics 57 moons orbiting 57 TrES 57 X ray binary 57 X ray spectrometer 57 Geminga 57 elliptical galaxy 57 photosphere 57 Kuiper Belt Objects 57 barred spiral galaxy 57 XO 3b 57 magnetar 57 SCP #F# 57 substorm 57 stellar occultations 57 backscattered 57 baryon 57 meridional flow 57 Comet NEAT 57 Keck telescopes 57 volcanic moon Io 57 Lyman alpha 57 Algol 57 Mpc 57 globulars 57 gaseous planet 57 Zeta Ophiuchi 57 brightest supernova 57 cosmic ray intensity 57 quasicrystal 57 Viking Lander 57 Grillmair 57 extrasolar planet 57 UDFy # 57 supergiant stars 57 ionized hydrogen 57 YORP effect 57 Galileo spacecraft 57 infrared observatory 57 spiral galaxy Messier 57 Omega Nebula 57 Helix Nebula 57 magnetospheres 57 GRB #A 57 blackbody 57 sunlike stars 57 Type Ia supernovae 57 planet gravitational tug 57 Jovian moons 57 Peony nebula star 57 MG J# +# 57 Doppler shift 57 circumstellar disks 57 planets orbiting sun 57 magnetospheric 57 RY Sagittarii 57 Type 1a supernovae 57 geoneutrinos 57 Hubble Space Telescope HST 57 P/# A2 57 supernova SN 57 RR Lyrae 57 Proxima Centauri 57 SN #gy 57 Subaru telescope 57 solar corona 57 constellation Andromeda 56 VB #b 56 constellation Ursa Major 56 Hanny Voorwerp 56 Pegasi 56 Solar TErrestrial RElations Observatory 56 tau neutrino 56 Butterfly Nebula 56 Ultraviolet Optical Telescope 56 celestial phenomena 56 HD #b [001] 56 protoplanetary 56 diffuse aurora 56 Keck Telescope 56 optical wavelengths 56 OGLE TR #b 56 XMM Newton observations 56 ULP cepheids 56 cosmic ray particles 56 SMBH 56 GQ Lupi 56 Spitzer infrared spectrograph 56 stellar occultation 56 Gravitational lensing 56 circumstellar disk 56 strange quark 56 constellation Lyra 56 Wilkinson Microwave Anisotropy Probe 56 Hyakutake 56 boson 56 Tarantula Nebula 56 Maunder minimum 56 superluminal 56 X ray observatories 56 SUSY 56 orbiting gamma ray 56 radial velocities 56 extrasolar planets 56 moons Phobos 56 globular cluster 56 crustal thickness 56 diffraction patterns 56 Voyager spacecraft 56 HUDF 56 constellation Centaurus 56 micron wavelengths 56 Jupiter moon Io 56 Gliese #c 56 auroral displays 56 multiwavelength 56 Giovanni Cassini 56 Doradus 56 planets asteroids 56 UVOT 56 Paranal 56 cosmic microwave background 56 Pleiades star 56 APXS 56 Eta Carinae 56 protoplanet 56 Tarantula nebula 56 IR wavelengths 56 ESA XMM Newton 56 Marc Kuchner 56 Camelopardalis 56 polarimetry 56 blue straggler 56 CoRoT 9b 56 spiral nebulae 56 waning gibbous 56 imaging spectrometer 56 IBEX spacecraft 56 ENAs 56 faintest galaxies 56 ecliptic 56 proto cluster 56 superfluids 56 Pinwheel Galaxy 56 muon neutrino 56 ULIRGs 56 Rayleigh scattering 56 constellation Hercules 56 transiting exoplanet 56 PSR J# +# 56 zodiacal constellations 56 Antennae Galaxies 56 Gamma ray bursts 56 absorption spectra 56 Bullet Cluster 56 neutrino detectors 56 detect gravitational waves 56 ionospheric 56 eclipsing binaries 56 Fornax cluster 56 Cygnus Lyra region 56 constellation Auriga 56 NEAs 56 optical interferometry 56 solar radii 56 Carina constellation 56 Coma cluster 56 neutrino oscillation 56 extrasolar planetary 56 spherical halo 56 gamma ray emission 56 Jupiter Uranus 56 star Beta Pictoris 56 supernova remnant 56 SINFONI 56 extrasolar planet HD #b 56 relativistic jets 56 Cepheus 56 dwarf spheroidal galaxies 56 X FEG 56 W boson 56 Optical Gravitational Lensing Experiment 56 arcseconds 56 TGFs 55 Keck telescope 55 Eagle Nebula 55 constellation Leo 55 submillimeter 55 HD# [005] 55 icy moons 55 Great Orion Nebula 55 Sombrero Galaxy 55 astrometric 55 interstellar cloud 55 waxing gibbous moon 55 VISTA telescope 55 ultraviolet wavelengths 55 coronal loop 55 weak gravitational lensing 55 auroral activity 55 Higgs bosons 55 relativistic particles 55 Bok globules 55 energetic electrons 55 SN#A 55 submillimeter wavelengths 55 arcsecond 55 lobate scarps 55 Comet Lulin 55 post perovskite 55 Perseid shower 55 Trapezium 55 Paranal Observatory 55 Nasa spacecraft 55 inch refracting telescope 55 Uranus Neptune 55 giant elliptical galaxy 55 planets Uranus 55 gamma ray photons 55 infrared telescopes 55 detect neutrinos 55 HD #b [002] 55 ESA Herschel 55 Hipparchus 55 Saturnian 55 Horsehead Nebula 55 Nasa Kepler 55 Type Ia supernovas 55 planets circling 55 Saturn aurora 55 linearly polarized 55 Cerro Paranal 55 astronomical objects 55 Raman spectra 55 atmospheric phenomena 55 infrared wavelengths 55 magnetic polarity 55 galaxies collide 55 interstellar clouds 55 interplanetary spacecraft 55 elliptical orbits 55 antineutrinos 55 electron neutrinos 55 Herschel telescope 55 constellation Orion 55 Upsilon Andromedae b 55 emit X rays 55 Super Kamiokande 55 millimeter wavelength 55 SNe Ia 55 SeaWiFS 55 reddish orange hue 55 Cygnus X 55 Geminid meteors 55 Planck telescope 55 spiral galaxy NGC 55 ESA Integral 55 e MERLIN 55 V# Puppis 55 auroral 55 HiRISE camera aboard 55 exo planet 55 galactic bulge 55 gibbous 55 cosmic cannibal 55 interstellar boundary 55 Heterodyne Instrument 55 ESO Very Large Telescope 55 chemical abundances 55 Triangulum 55 wavefronts 55 tropospheric 55 waxing crescent 55 Hubble Constant 55 Galilean satellites 55 starlike object 55 radar altimetry 55 neutron spectrometer 55 Yarkovsky effect 55 constellation Aquila 55 particle acceleration 55 moon Mimas 55 eccentric orbits 55 spectroscopic observations 55 interferometric 55 SN #D 55 merging galaxies 55 telescopic observations 55 supernova remnants 55 Rosetta lander 55 IKAROS 55 ejecta blanket 55 tau neutrinos 55 XTE J# 55 rocky extrasolar planet 55 Fermi LAT 55 constellation Cygnus 55 J#.# [001] 55 Comet Hale Bopp 55 VY Canis Majoris 55 Reiner Gamma 55 celestial equator 55 KamLAND 54 electromagnetic flux 54 gravitational lens 54 orbital eccentricity 54 Sagittarius B2 54 Andromeda galaxy 54 arcsec 54 Methone 54 exosphere 54 meteoritic material 54 filamentary structures 54 comet Hale Bopp 54 Gemini constellation 54 ionised gas 54 Bill Borucki Kepler 54 Astrophysics MOA 54 orbital resonance 54 Wilkinson Microwave Probe 54 photon energies 54 Mars Uranus 54 azimuthal 54 sidereal 54 radiative transfer 54 Lyrids 54 interferograms 54 Perseids meteor shower 54 solar minima 54 neutralinos 54 rotating neutron stars 54 Eridani 54 radiotelescope 54 Mini TES 54 Anisotropy Probe 54 #gy 54 lunar craters 54 ray Space Telescope 54 Orionids 54 zodiacal dust 54 La Silla observatory 54 Chladni 54 Mercury magnetosphere 54 ESO telescopes 54 Diviner 54 supersymmetric particles 54 accretion disks 54 astro comb 54 Interferometer VLTI 54 PSR B# 54 Earthlike 54 Neutron stars 54 astronomical observatories 54 gravitational wave 54 arcminutes 54 coronal holes 54 chondrules 54 NASA THEMIS 54 HIRES spectrometer 54 Venusian atmosphere 54 bolometers 54 vanadium dioxide 54 planet HD #b 54 radio occultation 54 infrared imager 54 silicate dust 54 protostars 54 NASA Far Ultraviolet 54 slender crescent 54 planetary nebula 54 HARPS spectrograph attached 54 star Gliese 54 ESO Paranal Observatory 54 mineralogical composition 54 Active Galactic Nuclei 54 GRB # 54 interferometry 54 astronomical observations 54 polar vortex 54 asteroidal 54 stellar nurseries 54 Spitzer infrared 54 constellation Bootes 54 Earthlike planet 54 Magnetars 54 chondrites 54 fainter objects 54 Suzaku X ray 54 inhomogeneities 54 Lick Observatory 54 Monoceros 54 planemos 54 constellation Cetus 54 constellation Carina 54 Perseus constellation 54 constellation Draco 54 astrophysical objects 54 axial tilt 54 noctilucent cloud 54 mineral olivine 54 Kuiper belt object 54 WMAP 54 NASA ICESat 54 cosmological observations 54 Kuiper Belt object 54 moons orbiting Saturn 54 constellation Sagittarius 54 highly magnetized neutron 54 CoRoT 54 protoplanetary disks 54 cosmic phenomena 54 comet Tempel Tuttle 54 Meteor showers 54 interstellar dust grains 54 spectral measurements 54 unaided eye 54 moon Charon 54 planetary magnetospheres 54 prominences 54 Earth magnetotail 54 galactic nuclei 54 meter Keck telescopes 54 VLBA 54 innermost planet 54 Globular clusters 54 earthlike planets 54 quantum particle 54 protoplanetary discs 54 electron orbits 54 Andromeda Galaxy M# 54 Kailash Sahu 54 binary quasar 54 cometary material 54 microlens 54 HII regions 54 lunar perigee 54 NASA Cosmic Background 54 Eta Carina 54 PSR B# +# 54 infrared interferometry 54 SMM J# 54 distant quasars 54 Milankovitch cycles 54 gravitational lensing 54 gamma ray telescope 54 spectroscopic analysis 53 Explorer WISE 53 Caloris 53 Saturnian moon 53 active galactic nuclei 53 celestial object 53 elemental composition 53 VIRTIS 53 Submillimeter Array 53 Seyfert galaxies 53 electron neutrino 53 Josephson junction 53 Ursa Minor 53 Submillimeter 53 protoplanetary disk 53 Martian rovers 53 interferometric technique 53 x ray beam 53 Herschel Space 53 Mott insulator 53 Io Europa 53 diffraction pattern 53 Fermi Gamma ray 53 T Tauri 53 Earth ionosphere 53 redshift z = 53 gaseous planets 53 Gravitational waves 53 supernovae 53 constellation Perseus 53 Convection Rotation 53 ESA Cluster 53 EPOCh 53 magnetic monopole 53 circular orbits 53 Magellanic Clouds 53 protostar 53 Hubble orbits 53 baryon acoustic oscillations 53 perihelion 53 Planetary Transits 53 BP Psc 53 basaltic rocks 53 antihelium 4 53 Venus transits 53 radial velocity measurements 53 spinning neutron 53 exoplanetary systems 53 exosolar planets 53 interferometers 53 BLG #L 53 Lovell Telescope 53 Orion Nebula 53 constellations planets 53 Saturn outermost ring 53 Cassini flyby 53 polar stratospheric 53 CloudSat radar 53 Saturn moon Iapetus 53 nebulae 53 quantum cascade 53 Spectrograph 53 orbiting observatories 53 Tau Ceti 53 orbital angular momentum 53 ecliptic plane 53 Martian meteorites 53 astronomer Edmond Halley 53 Comet Encke 53 cosmological parameters 53 subatomic particle 53 Alfven waves 53 Gal Yam 53 Pluto Eris 53 HAT P 53 Earthshine 53 galaxy formation 53 Helioseismic 53 exoplanets planets 53 Mini Thermal Emission 53 Avishay Gal Yam 53 galactic cosmic rays 53 dwarf galaxy 53 Saturn Enceladus 53 geoid 53 starlike 53 sparticles 53 geomagnetic activity 53 Gerard Kuiper 53 gibbous moon 53 electron diffraction 53 hadron 53 reionization 53 supernovae explosions 53 aurorae 53 atmospheric turbulence 53 albedo reflectivity 53 interferometer 53 Adam Riess 53 occulted 53 spectroscopic 53 illuminance 53 equatorial latitudes 53 Churyumov Gerasimenko 53 Bose Einstein condensates 53 antineutrino 53 antiparticle 53 unconventional superconductivity 53 thin crescent 53 periodic oscillations 53 GROND 53 deformable mirrors 53 HESS telescopes 53 Geminids 53 Pancam 53 UCO Lick 53 aerosol concentrations 53 neutral mass spectrometer 53 photoluminescence 53 Delta Aquarids 53 magnetars 53 Aurigae 53 Puppis 53 Caloris Basin 53 Gaensler 53 VLBA observations 53 distant galaxy 53 graphite whiskers 53 sterile neutrino 53 Jupiter Ganymede 53 Krimigis 53 Tunguska asteroid 53 Mercury exosphere 53 SAXS 53 auroral emissions 53 Cosmic Background Explorer COBE 53 supersymmetric 53 Alfvén waves 53 visible wavelengths 53 homochirality 53 spectral characteristics 53 DISR 53 neutrino oscillations 53 supernovae explode 53 LOFAR 53 photons particles 53 infrared ultraviolet 53 binary pulsar 53 noctilucent 53 Geminids meteor shower 53 cometary debris 53 Corona Borealis 53 neutrino telescope 53 lowermost mantle 53 SNfactory 53 muon neutrinos 53 Veil Nebula 53 neutrino 53 dipole moment 53 photomultiplier tubes 53 optical telescope 53 D CIXS 53 constellations Cygnus 52 neutrino experiments 52 spacecraft flyby 52 crystalline silicates 52 Shackleton crater 52 planetarium dome 52 infalling gas 52 spiral galaxy M# 52 Voorwerp 52 moonlet 52 ESO astronomer 52 spookfish 52 rotating neutron 52 Sagittarius dwarf galaxy 52 Kraken Mare 52 Telescope LSST 52 Carina Nebula 52 Leonid shower 52 Tauri Sb 52 resonance frequency 52 Herbig Haro 52 Hyades 52 XMM Newton satellite 52 moonlets 52 supernova explosion 52 Brownian particles 52 lightwaves 52 Jupiter moons 52 interannual 52 Infrared spectroscopy 52 celestial bodies 52 distant supernovas 52 supernova 52 diffracting 52 Jenniskens 52 gravity warps 52 Neptune Uranus 52 LORRI 52 planet magnetosphere 52 Wolf Rayet star 52 Martian dust 52 planets atmospheres 52 gamma rays emitted 52 celestial objects 52 Quaoar 52 cosmic ray collisions 52 infall 52 Long Wavelength Array 52 radiosondes 52 Mimivirus 52 backscattering 52 Martian craters 52 Interferometer 52 ionized gases 52 solar irradiance 52 silicon monoxide 52 GEO# 52 Torino Scale 52 Geminid 52 CAIs 52 SIRAL 52 faraway galaxy 52 proton proton 52 Comet McNaught 52 radiometers 52 Comet #P/Holmes 52 kaons 52 gamma ray radiation 52 photoelectron spectroscopy 52 mantle plumes 52 Saturn Cassini 52 extrasolar worlds 52 femtosecond timescale 52 ringlike 52 ultracool 52 OGLE 52 exoplanet 52 hydrated electron 52 Crab pulsar 52 orbited Jupiter 52 ARPES