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(Click for frequent words.) 69 Virgo Cluster 69 lensing galaxy 68 Fomalhaut b 68 Coma Cluster 67 galaxy cluster 67 spiral galaxy NGC 66 distant quasar 66 Fornax cluster 66 arcminutes 66 gravitational lens 66 galaxy NGC 66 lightwaves 65 supergiant star 65 orbits Saturn 65 gravity warps 65 spiral galaxy 65 Virgo cluster 65 elliptical galaxy 64 constellation Ursa Major 64 SN #A 64 proto cluster 64 Gravitational lensing 64 constellation Hercules 64 starburst galaxy 64 interacting galaxies 64 galactic disk 64 gravitational lensing 64 galaxy M# [002] 64 Andromeda galaxy 64 Bug Nebula 64 AGNs 63 distant galaxy 63 Coma cluster 63 double helix nebula 63 cosmic cannibal 63 supernova remnant 63 backscattered 63 red supergiant 63 planets orbits 63 visible wavelengths 63 gaseous planet 63 Epsilon Eridani 63 Fermi telescope 63 Zeta Ophiuchi 63 arcseconds 63 GQ Lupi 62 AU Mic 62 constellation Andromeda 62 Omega Centauri 62 constellation Virgo 62 filamentary structure 62 redshifts 62 MG J# +# 62 CoRoT #b 62 HD#b 62 diffracted 62 gravitational interaction 62 constellation Pegasus 62 circumstellar dust 62 Saturnian system 62 stellar occultation 62 gravitational lenses 62 volcanic moon Io 62 Tarantula nebula 62 redshift 62 Lagoon Nebula 62 Bok globules 62 fainter objects 62 Helix nebula 62 Epsilon Aurigae 62 intrinsic brightness 62 X ray wavelengths 61 shorter wavelengths 61 TrES 4 61 distant galaxies 61 HIRES spectrometer 61 constellation Sagittarius 61 gravitationally bound 61 constellation Cassiopeia 61 quasar 61 galactic clusters 61 distant quasars 61 arcsecond 61 submillimeter wavelengths 61 Antennae Galaxies 61 active galactic nuclei 61 eclipsing binary 61 cosmological distances 61 transiting planet 61 RS Ophiuchi 61 gamma ray flares 61 moon Io 61 AB Aurigae 61 Comet Holmes 61 moon Ganymede 61 luminous galaxies 61 Arches Cluster 61 constellation Carina 61 constellation Centaurus 60 exoplanets orbiting 60 moonlet 60 infrared ultraviolet 60 rotating neutron stars 60 submillimetre wavelengths 60 Cat Paw Nebula 60 Geminga 60 giant elliptical galaxy 60 X ray emission 60 galaxy M# [001] 60 Saturn moon Mimas 60 Evolution Explorer 60 optical wavelengths 60 zodiacal light 60 star Fomalhaut 60 Earth magnetotail 60 Saturn magnetosphere 60 rotational axis 60 barred spiral galaxy 60 faraway galaxies 60 nebula 60 X ray afterglow 60 NGC# 60 retrograde orbit 60 diffract 60 Ring Nebula 60 Sagittarius B2 60 x ray beam 60 emit X rays 60 multiband imaging photometer 60 constellation Cetus 60 globulars 60 circumstellar disks 60 CMB radiation 59 filamentary structures 59 distant supernovae 59 Saturnian moons 59 absorbs photons 59 luminosities 59 ultraluminous galaxy 59 Veil Nebula 59 merging galaxies 59 galactic cores 59 photosphere 59 spiral galaxy M# 59 RY Sagittarii 59 retrograde orbits 59 Gravitational waves 59 Upsilon Andromedae 59 emission nebula 59 Spitzer infrared 59 jovian 59 reflection nebula 59 Upsilon Andromedae b 59 Voorwerp 59 coronagraph 59 protoplanet 59 planet HD #b 59 blazar 59 moons orbiting 59 Phoebe orbits 59 Carina Nebula 59 photoemission 59 Red Rectangle 59 circumstellar disk 59 celestial sphere 59 unpolarized 59 filamentary 59 infall 59 spherical halo 59 X ray pulses 59 observable universe 59 gravitational interactions 59 submillimeter wavelength 59 submillimetre 59 Saturn outermost 59 GJ #b [002] 59 accretion disk 59 Mimas 59 Methone 59 Orion constellation 59 galaxy NGC# 59 Oort cloud 58 GALEX 58 elongated orbits 58 elliptical galaxies 58 Eagle Nebula 58 moonlets 58 constellation Vulpecula 58 red supergiants 58 Kuiper belt objects 58 planet Uranus 58 Galilean moons 58 diffuse aurora 58 Cygnus Lyra region 58 weak gravitational lensing 58 proplyds 58 planetary nebulas 58 TSN PZ camera 58 constellation Taurus 58 XO 3b 58 HD #b [002] 58 constellation Aquarius 58 electron orbits 58 GRB #B 58 Corot 7b 58 arcsec 58 diffraction pattern 58 gravitational microlensing 58 Mpc 58 sized planets orbiting 58 macroscopic objects 58 planets Uranus 58 Henize #-# 58 X ray telescopes 58 active galactic nucleus 58 submillimeter 58 celestial object 58 star Beta Pictoris 58 magnetar 58 Multi Object Spectrograph 58 dwarf galaxy 58 moon Mimas 58 Dumbbell Nebula 58 occultations 58 Saturn rings 58 GJ#b 58 infrared wavelengths 58 galaxy clusters 58 star Gliese 58 redshifted 58 Eta Carinae 58 spiral galaxies 58 Puppis 58 dynamical evolution 58 distant galaxy clusters 58 constellation Scorpius 58 Hanny Voorwerp 58 globular star 58 Stephan Quintet 58 Trifid Nebula 58 Orion Nebula 58 photons emitted 58 constellation Eridanus 58 spiral nebulae 58 solar corona 58 Muchachos Observatory 58 silicate dust 58 silicon monoxide 58 magnetotail 57 Carina constellation 57 amateur astronomers peering 57 protostar 57 dense clumps 57 SN #gy 57 planet orbits 57 cosmic microwave background 57 star Proxima Centauri 57 detect gamma rays 57 galactic mergers 57 interferometry 57 energetic gamma rays 57 millisecond pulsars 57 Kuiper belt 57 colliding galaxies 57 Pleiades star 57 shortwave infrared 57 elliptical galaxy NGC 57 outer corona 57 BLG #Lb 57 Milky Way halo 57 V# Mon 57 Perseus Cluster 57 galactic halo 57 interferometric 57 spiral galaxy Messier 57 interstellar cloud 57 galaxies 57 Keck telescope 57 smallest exoplanet 57 protoplanetary disk 57 magnetopause 57 relativistic particles 57 IRAS #-# 57 WASP #b 57 KBOs 57 Saturn Jupiter Uranus 57 electron neutrinos 57 Extrasolar planets 57 entangled quantum 57 IR wavelengths 57 Tarantula Nebula 57 Pieter van Dokkum 57 Small Magellanic Cloud 57 earthshine 57 RX J# 57 linearly polarized 57 Beta Pictoris 57 constellation Coma Berenices 57 ESO PR 57 Orion nebula 57 ionised gas 57 faint galaxies 57 exo planets 57 Kuiper belt object 57 magnetars 57 prograde 57 globular cluster 57 photoluminescence 57 type Ia supernova 57 nebulosity 57 KH #D 57 blue supergiant 57 quantum particle 57 detect gravitational waves 57 microlensing events 57 Gamma ray bursts 57 Monoceros 57 Milky Way Galaxy 57 Peony nebula star 57 spacetime 57 PKS #-# 57 comets orbiting 56 ultraviolet wavelengths 56 moons Phobos 56 Doppler shifts 56 Andromeda Galaxy 56 x ray scattering 56 interstellar dust clouds 56 galaxy redshift 56 Chi Cygni 56 planet orbiting 56 Cherenkov radiation 56 electron spins 56 ionized gas 56 supernova remnants 56 protoplanetary 56 quasars 56 Syrtis Major 56 SNR #-#.# 56 SN #D 56 elliptical orbits 56 superstrings 56 ecliptic 56 Helix Nebula 56 Milky Way 56 Gliese #e 56 spheroidal 56 X ray observatories 56 MPG ESO 56 HM Cancri 56 SDSS II 56 wavefronts 56 Oort Cloud 56 HL Tau 56 ultraviolet imaging spectrograph 56 submillimeter galaxies 56 asteroids orbiting 56 X ray binary 56 SN#A 56 Adam Riess 56 interferometers 56 Horsehead Nebula 56 Neutron stars 56 exoplanets planets 56 gravitational redshift 56 constellation Ophiuchus 56 called gravitational microlensing 56 circumstellar 56 Field Imager 56 exoplanet orbiting 56 spacecraft flyby 56 millisecond pulsar 56 gamma rays emitted 56 ionized particles 56 RS Oph 56 Epimetheus 56 inhomogeneities 56 supernovae explode 56 star Spica 56 Wilkinson Microwave Probe 56 Kepler 9c 56 Cepheid variables 56 extragalactic 56 accretion disks 56 radial velocity technique 56 Serpens Cauda 56 Large Magellanic Cloud 56 electrons orbiting 56 constellation Serpens 56 P/# A2 56 Descent Imager Spectral Radiometer 56 particle analyzers 56 ARPES 56 polarimetry 56 X ray binaries 56 asterism 56 PUVA psoralen plus 56 protostars 56 gamma ray burst 56 gravitational radiation 56 ultraviolet wavelength 56 microquasar 56 cosmic microwave radiation 56 Infrared Mapping Spectrometer VIMS 56 supergiant stars 56 Spectrograph 56 constellation Libra 56 Triangulum Galaxy 55 constellation Cygnus 55 supersymmetric particles 55 microns millionths 55 Ringed Planet 55 Sagittarius dwarf galaxy 55 Keck Interferometer 55 Nikon D# Kowa 55 Proxima Centauri 55 coronal loop 55 Iapetus 55 Kuiper Belt object 55 cluster NGC 55 Bullet Cluster 55 heliospheric 55 axions 55 Higgs bosons 55 massless particles 55 Mandushev 55 coronal loops 55 helium ions 55 cosmic magnifying glass 55 airglow 55 microlensing 55 gravitationally lensed 55 ringplane 55 retroreflector 55 particles WIMPs 55 La Silla Chile 55 inch Samuel Oschin 55 microlenses 55 SINFONI 55 ESO VLT 55 Heliospheric Observatory SOHO 55 Type 1a supernovae 55 Deep Impact craft 55 quasiparticle 55 electron neutrino 55 constellation Lyra 55 muon neutrino 55 ray Space Telescope 55 Cepheids 55 infrared imager 55 optical interferometry 55 globular cluster M# 55 GeV 55 galactic equator 55 rotating neutron 55 Tycho supernova remnant 55 planetary Transits 55 Corot 9b 55 Jupiter Ganymede 55 #P/Churyumov-Gerasimenko 55 Pleiades cluster 55 baryonic 55 antiparticle 55 Encke gap 55 magnetospheric 55 J# +# [002] 55 giant elliptical galaxies 55 largest moon Charon 55 X ray observatory 55 starburst galaxies 55 constellation Monoceros 55 kaons 55 G#.# +#.# 55 Cosmic Microwave Background 55 Crab Pulsar 55 mu Arae 55 celestial equator 55 Astrological lore 55 diodes emitting 55 Type Ia supernova 55 periodic dimming 55 baryon acoustic oscillations 55 ESA XMM Newton 55 rubidium vapor 55 magnetic polarity 55 Trifid 55 brightnesses 55 helium atoms 55 electron volt 55 PSR B# +# 55 Pinwheel Galaxy 55 constellation Puppis 55 comet Tempel Tuttle 55 HAT P 55 HD# [002] 55 X ray beam 55 Type Ia 55 neutrino particles 55 photometer 55 dipole moment 55 Rosette Nebula 55 Milky Way galaxy 55 nanometers billionths 55 relativistic jets 55 millimeter wavelengths 55 photon fluorescence 55 Adaptive optics 55 TEGA ovens 55 Tauri Sb 55 supernova SN 55 Uranus Jupiter 55 photons particles 55 brightest supernova 55 Chandra Observatory 55 HII regions 55 heavily cratered 55 circularly polarized light 55 transiting exoplanets 55 GRB # 54 exoplanetary 54 pointings 54 photon detector 54 Distant galaxies 54 gamma rays 54 quantum particles 54 diffraction patterns 54 sodium atoms 54 Fomalhaut 54 SN #C 54 sterile neutrinos 54 baryon 54 interferometer 54 Mars Neptune Uranus 54 Hot Jupiters 54 sun corona 54 Samuel Oschin Telescope 54 wavelength infrared 54 UDFy # 54 TrES 54 Crab Nebula 54 ejecta 54 linearly polarized light 54 umbral 54 eyepiece #/#s f/#.# 54 polariton 54 Elenin 54 VIRTIS instrument 54 UVOT 54 constellation Cepheus 54 moon Mab 54 X ray emitting 54 spectroscopic 54 VY Canis Majoris 54 superlens 54 gravitationally 54 NASA Wilkinson Microwave 54 RHESSI 54 constellation Aries 54 gamma ray emission 54 spatial dimensions 54 Lyman alpha 54 ring resonators 54 sunlike star 54 orbital eccentricity 54 icy moons 54 RRATs 54 supermassive 54 moon Iapetus 54 Jovian moons 54 Cygnus X 54 Trapezium 54 gibbous 54 XMM Newton 54 Earth ionosphere 54 Butterfly Nebula 54 pulsar 54 fading afterglow 54 starquakes 54 planemos 54 brown dwarfs 54 inhomogeneous 54 telescope eyepiece 54 HUDF 54 Spitzer infrared spectrograph 54 synchrotron emission 54 planets comets 54 infrared spectrograph 54 quasicrystal 54 planetary nebulae 54 occulted 54 micrometer scale 54 inner asteroid belt 54 Orionid meteors 54 particle detectors 54 antineutrinos 54 GRBs 54 comet nucleus 54 collinear 54 Mauna Kea Hawaii 54 synchrotron x ray 54 Cancri e 54 brown dwarf 54 extrasolar planet HD #b 54 gravitational wave 54 type Ia supernovae 54 moon Phobos 54 YORP effect 54 planets moons 54 moons circling 54 Comet Lulin 54 comet Lulin 54 orbited Jupiter 54 Galaxy Evolution 54 Charon Pluto 54 Kepler #b 54 OGLE TR #b 54 inhabitable planets 54 galaxies collide 54 Gamma rays 54 WM Keck Observatory 54 Magnetic Imager HMI 54 photonic crystal 54 infrared wavelength 54 Spitzer Space Telescope 54 gravitational pulls 54 Infrared Array Camera 54 evanescent waves 54 waxing crescent 54 Anisotropy Probe WMAP 54 magnetic monopole 54 photoelectron 54 oblate spheroid 54 dwarf galaxies 54 protoplanetary disks 54 scanning electron microscopes 54 ultradense 54 WMAP satellite 54 spinning neutron stars 54 photodetector 54 comet tail 54 planetary nebula 53 Cosmic Microwave Background CMB 53 galactic bulge 53 meteoritic material 53 PSR J# 53 proto galaxies 53 Magnetars 53 oppositely directed 53 Saturn outermost ring 53 tau neutrino 53 faint smudge 53 infrared telescopes 53 photons 53 Raman scattering 53 orbital angular momentum 53 sunlike stars 53 nebular 53 tomographic 53 dwarf spheroidal galaxies 53 Type Ia supernovas 53 spectroscopically 53 gravitational tugs 53 Ultraviolet Imaging Spectrograph UVIS 53 haloes 53 excitations 53 constellation Auriga 53 optical microscopy 53 muon 53 Kuiper Belt Objects 53 wavelengths 53 radial velocity method 53 magnetic reconnection 53 electrons positrons 53 GJ #b [001] 53 Ulysses spacecraft 53 gaseous planets 53 electrons protons 53 Uranus Neptune 53 ESO telescope 53 THz radiation 53 Wolf Rayet star 53 electron positron 53 Kuiper Belt Object 53 Saturn equinox 53 lunar crust 53 Earth magnetosphere 53 supermassive black hole 53 Infrared Thermal Imaging Spectrometer 53 bilayer graphene 53 ejecta blanket 53 transiting planets 53 colloidal crystals 53 Keck Telescope 53 trans Neptunian objects 53 torus 53 slender crescent 53 Gemini constellation 53 tholins 53 spectral fingerprint 53 GRB# 53 femtosecond timescale 53 dI dV 53 blazars 53 periodicities 53 micrograph 53 stylus profilers 53 van Arkel discovery 53 Saturn moons Enceladus 53 optical telescopes 53 VLTI 53 electron density 53 Beta Pictoris b 53 ULP cepheids 53 orbiting Chandra 53 HARPS instrument 53 metallicity 53 Very Large Telescope 53 quantum mechanically 53 planet transits 53 energetic electrons 53 gamma ray radiation 53 Omega Nebula 53 galaxy 53 Bose Einstein condensates 53 Explorer WISE 53 Earth radii 53 radial velocities 53 highly collimated 53 exo planet 53 substorm 53 Lyra constellations 53 PSR B# 53 Doradus 53 galactic cosmic rays 53 gamma ray observatory 53 Olympus Mons 53 cryo electron microscopy 53 planet HD#b 53 moons Europa 53 constellation Hydra 53 ellipse 53 WIMPs 53 waning gibbous 53 planets orbiting stars 53 planets asteroids 53 magnetosphere 53 constellation Leo 53 planet Gliese #g 53 Telescope BAT 53 micromirrors 53 Arsia Mons 53 eccentric orbits 53 electric dipole 53 emits X rays 53 Solar TErrestrial RElations Observatory 53 southern constellation Carina 53 infrared telescope 53 Caloris 53 terahertz radiation 53 Submillimeter Array 53 sundog 53 microlens 53 planets orbiting sun 53 Saturnian moon 53 mesosphere 53 smallest exoplanets 53 starlike object 53 planetary embryos 53 neutralinos 53 NGC #A 53 smallest extrasolar planet 53 HiRISE camera 53 aurorae 53 interstellar clouds 53 FWHM 53 Pancam 53 interstellar dust 53 RXTE 53 Composite Infrared Spectrometer 53 lunar eclipse occurs 53 constellation Draco 53 gravitational tides 53 refracts light 53 synthetic aperture 53 gravitational attraction 53 Trojan asteroids 53 infrared photons 53 spectroscopic observations 53 neutron star 53 collimated 53 GRB #A 53 reionization 53 OGLE TR 53 zodiac constellations 53 moon Deimos 53 fluorescence microscope 53 constellation Bootes 53 parallax 53 XTE J# 53 Gliese #c 53 moon Enceladus 52 Type Ia supernovae 52 Laser Interferometer Gravitational Wave 52 antineutrino 52 horizontally polarized 52 HD# [005] 52 UVIS 52 Voyager spacecraft flew 52 constellation Gemini 52 weakly interacting 52 atomic lattice 52 tau neutrinos 52 Herschel telescope 52 anisotropy 52 Helioseismic 52 icy moon Enceladus 52 magnetic excitations 52 starbursts 52 cantilever deflection 52 Josephson junction 52 Swift Ultraviolet Optical 52 HiRISE image 52 hyperopia farsightedness 52 Comet Tempel Tuttle 52 supernova 52 Jupiter Uranus 52 J#.# [001] 52 electronvolts 52 z = 52 neighboring Andromeda galaxy 52 starlike 52 Optical tweezers 52 Toutatis 52 Jupiter Saturn Uranus 52 collisional 52 Comet Hartley 2 52 proton antiproton 52 rubidium atoms 52 waves Colaprete 52 Suzaku X ray 52 electron volts 52 Type 1a supernova 52 absorbs photon 52 discover Fomalhaut 52 Gamma ray burst 52 Burst Alert 52 silicon atoms 52 supernova explosions 52 impactors 52 phonon 52 Michelson interferometer 52 microcavity 52 landing Navias 52 Active Galactic Nuclei 52 baryonic matter 52 cm -1 52 spectral characteristics 52 beam splitters 52 Wolf Rayet stars 52 constellation Perseus 52 interstellar magnetic 52 frequency combs 52 diffractive 52 exciton 52 ionized gases 52 cesium atoms 52 stellar seismology 52 Rydberg atom 52 supernova remnant Cassiopeia 52 nucleons 52 reflectometry 52 Herbig Ae Be 52 optical spectra 52 periodic oscillations 52 globular clusters 52 gamma ray emitting 52 infrared LEDs 52 Brookhaven Relativistic Heavy 52 muons 52 antiparticles 52 faintest galaxies 52 Cerenkov radiation 52 supernova explosion 52 spinning neutron 52 Kuiper Belt objects 52 Seyfert galaxies 52 Supernova #A 52 hypoechoic 52 R Coronae Borealis 52 nuclei 52 particle acceleration 52 VB #b 52 equatorial bulge 52 innermost planet 52 imaging spectrometer 52 spectroscope 52 transiting exoplanet 52 Chilean Atacama Desert 52 polarizing filters 52 Valles Marineris 52 Image NASA JPL 52 terahertz THz 52 Hubble Constant 52 X ray Observatory 52 bosonic 52 superluminal 52 W boson 52 photon energies 52 elongated orbit 52 orbital resonance 52 neutral mass spectrometer 52 celestial objects 52 unaided eye 52 blackbody 52 inner Oort Cloud 52 THEMIS satellites 52 angstroms 52 ESO Very Large Telescope 52 muon neutrinos 52 isotropic 52 electron proton 52 microlensing technique 52 galaxy formation 52 cosmic strings 52 pinwheel shaped 52 Spiral galaxies 52 Jupiter moon Io 52 #nm #nm [001] 52 VIRTIS 52 Candor Chasma 52 excitons 52 fissure eruption 52 wave particle duality 52 dense neutron stars 52 Gondolo 52 Fermi LAT 52 subwavelength 52 Invisibility cloak 52 HARPS spectrograph attached 52 planet gravitational tug 52 shadowy craters 52 albedo reflectivity 52 asteroidal 52 ionized hydrogen 52 obscuration 52 Field Imager WFI 52 reddish orange hue 52 neutrino mass 52 tetrahedron 52 diffraction grating 52 Pluto Charon 52 coronal holes 52 nebulae 52 antiproton 52 SN #E 52 Betelgeuse 52 Unit Telescopes 52 tidal bulge 52 fainter 52 linewidth 52 heliopause 52 electron volts eV 52 neutralino 52 Galileo spacecraft 52 electron flux 52 umbral shadow 52 nucleon 52 Fourier transform infrared 52 Quaoar 52 Crab pulsar 52 gamma ray 52 superconducting qubit 52 IRAS 4B 52 magnetic dipole 52 pentacene molecule 52 comet Hale Bopp 52 Schwarzschild radius 52 Earthlike planets 52 Cosmic rays 52 helium nuclei 52 bedrock outcropping 52 cometary debris 52 shells pockmarking homes 52 supernovae 52 fluorescent nanoparticles 52 chromosphere 51 orbiting planets 51 Ionospheric Sounding 51 Yarkovsky effect 51 SMM J# 51 helium atom 51 galactic nucleus 51 aperture telescope 51 novae 51 Wolfgang Brandner 51 semiconducting nanowires 51 moonquakes 51 outer heliosphere 51 fovea