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(Click for frequent words.) 68 brightness 66 luminous 63 luminescence 62 brightnesses 61 restorer Cinzia Parnigoni 60 radiance 60 visible wavelengths 59 KH #D 59 metallicity 59 Epsilon Aurigae 58 Comet Holmes 57 photometry 57 supergiant star 57 X ray emission 57 intrinsic brightness 57 X ray pulses 57 luminosities 57 gamma ray flares 56 luminance 56 ultraviolet wavelengths 56 OGLE TR 56 X ray wavelengths 56 translucency 56 filamentary structure 56 redshift 56 faint galaxies 55 type Ia supernova 55 Cepheid variables 55 starburst galaxy 55 galaxy cluster 55 galaxy clusters 55 eclipsing binary 55 reflectivity 55 X ray afterglow 55 supernovae 55 gravitational radiation 55 photons emitted 55 photosphere 55 refraction 55 supernova 55 IR wavelengths 54 reflectance 54 Eta Carinae 54 Mpc 54 type Ia supernovae 54 phosphorescence 54 cosmological distances 54 Cepheids 54 quasar 54 quasars 54 electron neutrinos 54 infrared wavelengths 54 velocity dispersion 54 planet orbits 54 Crab Nebula 54 incandescence 54 helium atoms 54 Rosette Nebula 54 fainter objects 54 elliptical galaxies 54 gamma ray emission 54 luminous galaxies 54 WASP #b 54 photoluminescence 54 blazar 53 Type Ia supernovae 53 novae 53 galaxy NGC 53 galaxies 53 starlight 53 illumination 53 refractive index 53 florescence 53 starburst galaxies 53 Type Ia supernova 53 SN #A 53 reflection nebula 53 GeV 53 Red Rectangle 53 solar corona 53 planetary nebula 53 Doppler shifts 53 Arches Cluster 53 redshifts 53 ultraviolet laser 53 spectral 53 fluence 53 microquasar 53 V# Mon 53 baryon 53 optical wavelengths 53 red supergiant 53 constellation Cassiopeia 53 exoplanet orbiting 53 lensing galaxy 53 nebula 53 blackbody 53 corona 52 luminous flux 52 emission nebula 52 AB Aurigae 52 X ray binary 52 nebulae 52 SNR #-#.# 52 translucence 52 solar nebula 52 kelvin 52 distant supernovae 52 circumstellar dust 52 afterglows 52 Type Ia 52 supernova explosions 52 RXTE 52 magnetar 52 blue supergiant 52 subtle shading 52 gravitational lensing 52 Orion Nebula 52 active galactic nuclei 52 occultations 52 X ray binaries 52 birefringence 52 elliptical galaxy 52 gamma rays 52 gravitational lens 52 photometer 52 XMM Newton 52 coronagraph 52 Type 1a supernovae 52 Delta Cephei 52 photon energies 52 specular reflection 51 red supergiants 51 transiting planet 51 microlensing events 51 coronal loop 51 infrared radiation 51 transmittance 51 arcsecond 51 supergiant stars 51 obliquity 51 distant galaxies 51 shimmer 51 candlepower 51 highly collimated 51 gamma ray burst 51 magnification 51 Corot 9b 51 earthshine 51 galactic halo 51 shorter wavelengths 51 constellation Ursa Major 51 GRB #A 51 sodium atoms 51 iridescence 51 Supernovae 51 AGNs 51 relativistic particles 51 Bug Nebula 51 velocities 51 refractive indices 51 photometric 51 refracts light 51 galactic disk 51 photons particles 51 lumen output 51 fluorescence emission 51 SN #gy 51 brilliancy 51 supernova SN 51 fluorescence 51 foreground galaxy 51 interstellar dust clouds 51 quasiparticle 51 obscuration 51 VLTI 51 effulgence 51 Andromeda galaxy 51 jovian 51 Jovian planets 51 J# +# [002] 50 supernova explosion 50 Wolf Rayet star 50 luminous efficacy 50 Milky Way halo 50 arcsec 50 diffraction pattern 50 supernova remnants 50 GRBs 50 circumstellar 50 planetary nebulae 50 spiral galaxy 50 barred spiral galaxy 50 wavelengths 50 mirrorlike 50 Fomalhaut b 50 Cepheid variable 50 neutrino 50 neutron star 50 anisotropy 50 color saturation 50 exoplanets orbiting 50 emissivity 50 Gamma ray bursts 50 spectroscopic observations 50 smooth gradations 50 vibrational frequency 50 abundances 50 illuminance 50 emittance 50 vividness 50 protostar 50 muon neutrino 50 Cat Paw Nebula 50 R Coronae Borealis 50 spectra 50 observable universe 50 diffraction patterns 50 photons 50 Chi Cygni 50 nebular 50 electromagnetic flux 50 unpolarized 50 keV 50 Trifid Nebula 50 axions 50 magnetic fields 50 spiral galaxies 50 interacting galaxies 50 FWHM 50 energetic gamma rays 50 baryonic matter 50 GROND 50 extragalactic 50 Lyman alpha 50 dwarf galaxy 50 GQ Lupi 50 millisecond pulsars 50 atoms 50 Coma Cluster 50 ultraviolet radiation emitted 50 AU Mic 50 X ray photons 50 supernovas 50 roundness 50 planet orbiting 50 luminous glow 50 protoplanetary disk 50 protoplanetary disks 50 luminous intensity 50 weak gravitational lensing 50 arcseconds 50 gravity warps 50 axion 50 optical spectra 50 X ray telescopes 49 blazars 49 photocurrent 49 dimensionless 49 pixels 49 baryonic 49 Leonid shower 49 bolometers 49 photon 49 Gamma rays 49 radial velocity 49 chromosphere 49 diffraction 49 electron density 49 pinkish glow 49 RS Ophiuchi 49 irradiance 49 intracluster 49 nucleosynthesis 49 gravitational redshift 49 fluorescence intensity 49 X ray beams 49 periodic oscillations 49 ULIRGs 49 ultraviolet wavelength 49 strange quark 49 ethereal glow 49 CMB photons 49 galactic bulge 49 gravitational 49 femtoseconds 49 distant quasars 49 GALEX 49 galaxy M# [001] 49 Andromeda Galaxy 49 Helix nebula 49 surface plasmon 49 light transmittance 49 filamentary 49 Ultraviolet radiation 49 Magnetars 49 brown dwarfs 49 W boson 49 GRB# 49 fundamental constants 49 neutrons 49 unaided eye 49 HD #b [002] 49 Orion nebula 49 HL Tau 49 astronomical objects 49 HM Cancri 49 electron volts 49 cosmological parameters 49 cosmic 49 Rayleigh scattering 49 constellation Virgo 49 suns 49 solar neutrinos 49 cosmic ray particles 49 neutrinos 49 faraway galaxies 49 circumstellar disk 49 brown dwarf 49 distant quasar 49 neutrino mass 49 antiproton 49 massless particles 49 glows brightly 49 meV 49 dimensionality 49 Alfvén waves 49 particle 49 high redshift galaxies 49 EMCCD 49 tonal gradation 49 sunlike 49 infrared wavelength 49 supernova remnant 49 Gravitational waves 49 radiant 49 radiative 49 Type Ia supernovas 49 absorption spectra 49 elliptical galaxy NGC 48 excitation 48 orbital eccentricity 48 τ 48 superdense 48 spatial resolution 48 Einstein cosmological constant 48 Cosmic Microwave Background CMB 48 submillimeter 48 chromatic aberrations 48 haloes 48 sunlike stars 48 circularly polarized light 48 meridional flow 48 X ray emitting 48 antineutrinos 48 pulsar 48 protostars 48 ESO PR 48 strange quarks 48 gamma rays emitted 48 globulars 48 opalescence 48 ejecta 48 starquakes 48 globular clusters 48 elongated orbits 48 galaxy M# [002] 48 Omega Centauri 48 neutron stars 48 periodicities 48 interferometry 48 CAIs 48 contrasty 48 polaritons 48 martensite 48 starbursts 48 emit X rays 48 Coma cluster 48 resonance frequency 48 colloidal crystals 48 globular cluster M# 48 infrared spectra 48 gravitational acceleration 48 RS Oph 48 ESO VLT 48 GJ #b [002] 48 angular momentum 48 accretion disk 48 astrophysical 48 Beta Pictoris 48 candela 48 pulsations 48 gravitational lenses 48 orbital angular momentum 48 total solar irradiance 48 Ring Nebula 48 backscattered 48 Carina constellation 48 Peony nebula star 48 B meson 48 globular cluster 48 helium nuclei 48 infall 48 resonant frequency 48 distant galaxy 48 gravitational attraction 48 chromatic 48 gravitational wobble 48 airglow 48 exoplanetary 48 refract 48 protoplanetary discs 48 spectroscopic 48 proplyds 48 muon 48 Tarantula Nebula 48 lightwaves 48 cd m² 48 iridescent colors 48 crystalline silicates 48 Raman spectra 48 Milky Way 48 x ray beams 48 comet Hale Bopp 48 gibbous 48 southern constellation Carina 48 emitted photons 47 electric dipole 47 VHE gamma rays 47 VY Canis Majoris 47 exoplanets 47 infrared photons 47 XMM Newton observations 47 reflections refractions 47 Brightness 47 baryons 47 ARPES 47 plagioclase 47 GPa 47 GRB # 47 absorbance 47 Raman scattering 47 loveliness 47 geoneutrinos 47 auroral displays 47 amplitudes 47 proto galaxies 47 RX J# 47 interstellar clouds 47 phonon 47 electron flux 47 Antennae Galaxies 47 nebulosity 47 MeV 47 Lagoon Nebula 47 HD#b 47 spatially resolved 47 #.#x magnification [001] 47 oscillation frequency 47 supermassive black hole 47 refracted 47 Kirlian 47 comet nucleus 47 XTE J# 47 Kelvins 47 icy moons 47 specular 47 radii 47 attoseconds 47 collimated 47 Planetary nebulae 47 refract light 47 refracts 47 Cygnus X 47 cirrus cloud 47 Hawking radiation 47 polarimetry 47 electron bunches 47 HD# [002] 47 photon beams 47 J#.# [001] 47 Carina Nebula 47 isotropic 47 intensities 47 asterism 47 submillimetre wavelengths 47 mesons 47 parallax 47 Proxima Centauri 47 dwarf galaxies 47 gravitational interaction 47 gamma ray 47 gamma ray burst GRB 47 X ray beam 47 tungsten halogen 47 color fringing 47 constellation Lyra 47 ultraviolet UV light 47 eclipsing binaries 47 electrons emitted 47 rotational axis 47 photostability 47 particles 47 occulted 47 UV wavelengths 47 plasmon 47 gamma ray radiation 47 gravitational waves 47 merging galaxies 47 Pegasi 47 Orionid meteors 47 cosmic ray flux 47 planets orbiting 47 millisecond pulsar 47 conductance 47 infra red radiation 47 microlenses 47 inky blacks 47 refractions 47 Kuiper belt 47 Zeta Ophiuchi 47 fainter 47 Higgs bosons 47 Hubble observations 47 sphericity 47 positrons 47 circular dichroism 47 achromatic 47 millimeter wavelengths 47 zodiac constellations 47 silicate dust 47 sparkle 47 Bose Einstein condensates 47 spatial coherence 47 Young modulus 47 blue straggler 47 Fermi telescope 47 Voorwerp 47 evanescent waves 47 planetary orbits 47 solar irradiance 47 BP Piscium 47 interstellar medium 47 texture 47 galaxy 47 radiative cooling 47 bluish tint 47 Doppler shift 47 Cherenkov radiation 47 Hubble Constant 47 albedo 47 specular highlights 47 candelas 47 ESO telescope 47 ellipsoidal 47 lightness 47 superluminal 46 multiwavelength 46 #cd m² 46 perihelion 46 Saturn equinox 46 GJ#b 46 lightfastness 46 ambient light 46 ionized gases 46 radioactive decay 46 bluish hue 46 spectroscopically 46 lumens watt 46 nuclei 46 X FEG 46 constellation Aquarius 46 starlike 46 Higgs particle 46 reflection refraction 46 magnetars 46 ultraviolet radiation 46 Epsilon Eridani 46 cosmic microwave background 46 celestial bodies 46 yellowish hue 46 #P/Holmes 46 Wolf Rayet stars 46 absorption coefficient 46 microlens 46 kaons 46 amplitude 46 GRB #B 46 neutralinos 46 Xenon lamps 46 ionized gas 46 outermost planet 46 tidal bulge 46 lux 46 stellar occultations 46 blacker blacks 46 color reproduction 46 supernovae explosions 46 gravitational wave 46 inhomogeneous 46 KBOs 46 substorm 46 dichroic 46 quark 46 sunspot activity 46 Saturn magnetosphere 46 Hipparcos 46 Eagle Nebula 46 auroral activity 46 microcavities 46 Milky Way Galaxy 46 planet Uranus 46 transmissivity 46 SCP #F# 46 electron volts eV 46 type 1a supernovae 46 scintillation 46 radial velocities 46 spiral galaxy NGC 46 comet orbit 46 Alfven waves 46 spherically symmetric 46 Adaptive optics 46 mK 46 adjusts brightness 46 fluorescence excitation 46 parabolic reflectors 46 interferometric 46 quasicrystal 46 femtosecond timescale 46 cosmic rays 46 imaging spectrometer 46 constellation Pegasus 46 chemical abundances 46 wavelength 46 CMB radiation 46 Gliese #e 46 Henize #-# 46 magnetism 46 electrical conductance 46 Gravitational lensing 46 extrasolar planets 46 Beta Pictoris b 46 metal halide lamps 46 reddish hue 46 Beehive Cluster 46 cosmic ray protons 46 galactic cosmic rays 46 planet Gliese #c 46 SDSS II 46 reddish orange hue 46 ghostly glow 46 planetary transits 46 optical aberrations 46 comet 46 ultraviolet 46 1W LEDs 46 z = 46 microcavity 46 ε 46 celestial sphere 46 BrightCapture Technology 46 YORP effect 46 CoRoT 7b 46 planets orbits 46 frequency comb 46 illumines 46 pulsars 46 evanescent 46 nebula NGC 46 XO 3b 46 Pleiades star 46 Crab Pulsar 46 protoplanetary 46 transiting planets 46 nanomesh 46 gamma ray photons 46 interstellar dust grains 46 solar minima 46 cluster NGC 46 PKS #-# 46 numerical aperture 46 constellation Cetus 46 magnifications 46 magnetization 46 ambient illumination 46 radial velocity method 46 overpainting 46 BLG #L 46 ZnSe 46 attosecond 46 PZ Tel 46 electrical conductivity 46 gaussian 46 photogram 46 energetic electrons 46 paramagnetic 46 cosmos 46 gamma ray bursts 46 outer layers 46 Virgo cluster 46 Upsilon Andromedae 46 leakage currents 46 chromaticity 46 Aurigae 46 submillimetre 46 UV light 46 adaptive optics 46 coronal holes 46 polarizing filters 46 spiral galaxy Messier 46 planets 46 chromatic aberration 46 W bosons 46 Great Conveyor Belt 46 ultraviolet light 46 Angstroms 46 isotopic composition 46 Ultraviolet light 46 phosphors 46 RY Sagittarii 46 x ray pulses 46 gravitationally lensed 46 light refracting 46 supermassive 46 Pleiades cluster 46 effulgent 46 Hanny Voorwerp 46 spatial dimensions 46 Fomalhaut 45 gamma ray repeater 45 retrograde orbit 45 general relativity 45 maser 45 orbits 45 xenon lamp 45 spacetime 45 constellation Centaurus 45 detectability 45 circumstellar disks 45 fluorophores 45 2 MeV electron 45 helium ions 45 cm -1 45 rubidium 45 dipole moment 45 SN #E 45 aspheric 45 Spitzer infrared spectrograph 45 celestial phenomena 45 emission wavelength 45 X ray observatory 45 stellar occultation 45 8x optical zoom 45 monumentality 45 Doradus 45 planet transits 45 ferroelectricity 45 relaxivity 45 extrasolar planets orbiting 45 antireflective 45 emits X rays 45 #cd m 2 45 Eta Aquarid meteor shower 45 conductivity 45 F/#.# 45 RRATs 45 Tycho supernova remnant 45 arcminutes 45 WHIM 45 #lm [002] 45 speckle pattern 45 bosonic 45 particle acceleration 45 synchrotron X ray 45 ultraluminous X ray 45 THz radiation 45 x ray beam 45 star Gliese 45 Helix Nebula 45 Keck Interferometer 45 backlight bleed 45 6x zoom 45 Betelgeuse 45 spicules 45 electron volt 45 neutron flux 45 stellar seismology 45 wavefronts 45 Neptune Uranus 45 #,#:# [004] 45 SUSY 45 dephasing 45 greyscale 45 infrared illumination 45 ULP cepheids 45 phosphor coating 45 SN Ia 45 micromirrors 45 Heliospheric Observatory SOHO 45 subatomic particles 45 laser speckle 45 filaments 45 aspheric lens 45 SNe Ia 45 planets orbiting stars 45 brightest supernova 45 TGFs 45 dipolar 45 CoRoT #b 45 electron beams 45 flashbulb 45 SINFONI 45 meson 45 VISTA telescope 45 proton proton collisions 45 colliding protons 45 assumed planets circling 45 antimatter particles 45 glow brightly 45 crystallinity 45 tracery 45 giant elliptical galaxy 45 amber glow 45 pixel 45 thermal conductivity 45 spectrographs 45 supersymmetric particles 45 gravitational pull 45 shimmers 45 subsurface scattering 45 antiparticle 45 maximum aperture 45 NICMOS 45 smoother gradations 45 xenon lamps 45 MG J# +# 45 Jupiter moon Io 45 extrasolar planet 45 #nits 45 cometary material 45 micrographs 45 Kuiper belt objects 45 Dwarf galaxies 45 #nm laser [002] 45 P/# A2 45 #:# [006] 45 Perseus cluster 45 bilayer graphene 45 quark gluon plasma 45 fractal patterns 45 GJ #b [001] 45 subtle gradations 45 #:#.#-#.# 45 infrared imager 45 super nova 45 #:# contrast ratio [003] 45 Evolution Explorer 45 interstellar dust 45 Gamma ray 45 nanostars 45 crystallites 45 photomultiplier 45 slender crescent 45 exciton 45 polar mesospheric clouds 45 kelvins 45 CoRoT 9b 45 Supernova #A 45 elemental composition 45 inelastic scattering 45 WMAP 45 angular 45 astronomers 45 tonality 45 monochromatic palette 45 ultraviolet sunlight 45 zodiacal light 45 Carinae 45 filament 45 photonic crystal 45 comet tail 45 linearly polarized 45 optical Image Stabilizer 45 ROSAT 45 post perovskite 45 MPc 45 micron wavelength 45 neutrino particles 45 scintillator 45 sunspots 45 midtone 45 Luxeon Rebel LEDs 45 ESO Very Large Telescope 45 linewidth 45 lumen maintenance 45 optical microscopy 45 Scorpii 45 electroweak 45 constellation Eridanus 45 #x magnification [001] 45 #lm W [002] 45 smoothness 45 UVOT 45 SNe 45 gravitational tug 45 protoplanet 44 Sagittarius B2 44 opalescent 44 moon Mimas 44 Virgo Cluster 44 Ultra violet 44 ionised gas 44 sunlight 44 mV lux sec 44 rubidium atoms 44 saturation sharpness 44 candelas per 44 Mimas 44 noble gases 44 Large Magellanic Cloud 44 spectroscopic measurements 44 vivid colors 44 lumens lm 44 aperture 44 nebulas 44 picoseconds 44 Chromatic aberration 44 spectral fingerprints 44 rotational symmetry 44 FRET 44 waviness 44 zodiacal dust 44 V# Puppis 44 photomultiplier tubes 44 nonlinearities 44 yellowish glow 44 galaxy redshift 44 inhomogeneities 44 maser emission 44 electron spins 44 electron 44 helium atom 44 surface plasmons 44 lm W. 44 melanin pigment 44 geometrical 44 harmful ultraviolet 44 TrES 4 44 synchrotron emission 44 Circinus X 1 44 zodiacal constellations 44 Hale Bopp 44 asteroseismology 44 relativistic protons 44 auroral 44 sundog 44 Milky Way galaxy 44 vibrational frequencies 44 galaxies collide 44 celestial objects 44 photoelectron 44 xenon 44 axial tilt 44 hadron 44 #.#x zoom 44 spinels 44 twinkles 44 rotational velocity 44 Comet Lulin 44 magnetospheric 44 monochromes 44 impactors 44 #nm laser [001] 44 skintone 44 -# degrees Celsius [001] 44 muons 44 conventional optical microscopes 44 reddish hues 44 G#.# +#.# 44 sized planets orbiting 44 hydrogen atoms 44 Bose Einstein condensation 44 exquisiteness 44 tonal 44 #x magnification [002] 44 diffusion coefficients 44 colloidal particles 44 comets 44 macroscopic objects 44 cosmic ray collisions 44 moonlet 44 comet Tempel Tuttle 44 planets circling 44 wavelength infrared 44 ionization 44 ethereal beauty 44 photon fluorescence 44 star Spica