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(Click for frequent words.) 67 waxing crescent moon 65 slender crescent 64 earthshine 64 crescent Moon 63 zodiacal light 62 waxing gibbous moon 61 waning crescent moon 60 comet Lulin 59 thin crescent moon 59 star Spica 58 Geminid meteors 58 Quadrantid meteor shower 58 gibbous moon 58 Geminid meteor shower 58 waxing crescent 58 Pleiades star 58 Epsilon Aurigae 57 waning crescent 57 waning gibbous moon 57 penumbral shadow 57 thin crescent 57 waxing moon 57 Orionids 57 Noctilucent clouds 56 Comet Holmes 56 Comet Machholz 56 KH #D 56 gibbous 56 Pleiades cluster 56 Partial lunar eclipse 56 celestial equator 56 waning crescent Moon 56 Comet Lulin 56 constellation Eridanus 56 X ray wavelengths 56 Orion nebula 55 constellation Cassiopeia 55 pinkish glow 55 celestial sphere 55 Perseids meteor shower 55 Fomalhaut b 55 crescent moon 55 constellation Auriga 54 slender crescent moon 54 emission nebula 54 nebula NGC 54 nebulosity 54 gravity warps 54 starlike object 54 reddish glow 54 GJ #b [002] 54 waning gibbous 54 Comet NEAT 54 asterism 54 Trifid Nebula 54 constellation Orion 54 constellation Andromeda 54 GJ#b 54 reflection nebula 53 Quadrantids 53 constellation Virgo 53 celestial fireworks 53 planet Uranus 53 Orionid meteor shower 53 retrograde orbit 53 Tarantula Nebula 53 Orionid meteors 53 constellation Hercules 53 Saturn moon Iapetus 53 Flesh tones 53 Planck telescope 53 Orion constellation 53 constellation Lyra 53 yellowish hue 53 Cepheid variables 53 coppery red 53 constellation Leo 53 planetary nebulas 53 greenish glow 52 Comet Elenin 52 heavily cratered 52 HD#b 52 lunar maria 52 comet Hale Bopp 52 predawn sky 52 inky blacks 52 auroral displays 52 constellation Gemini 52 occultation 52 coronal loops 52 dazzlingly bright 52 Leonid meteor showers 52 Lyrid meteor shower 52 spiral galaxy NGC 52 constellation Aquarius 52 yellowish glow 52 infrared wavelength 52 ghostly glow 52 Perseus constellation 52 cosmological distances 52 photosphere 52 Geminid shower 52 Meteor shower 52 Delta Cephei 51 sundog 51 constellation Taurus 51 bluish hue 51 star Fomalhaut 51 cluster NGC 51 starlike 51 Eta Aquarid meteor shower 51 sun glints 51 X ray pulses 51 Comet LINEAR 51 golden orb 51 Bug Nebula 51 Comet Hartley 2 51 lunar perigee 51 SN #C 51 Caloris Basin 51 Voorwerp 51 fuzzy blob 51 reddish orange hue 51 brownish hue 51 Corot 7b 51 globular cluster M# 51 spherical object 51 Perseid shower 51 gaseous planet 51 constellation Scorpius 51 cumulus cloud 51 GJ #b [001] 51 hexagonal mirrors 51 ionized particles 51 bedrock outcropping 51 Jovian moons 51 constellation Perseus 51 Omega Centauri 51 Lunar eclipse 51 Geminids 51 constellation Centaurus 51 ringed planet 50 comet McNaught 50 spookfish 50 constellation Bootes 50 orangish red 50 Red Rectangle 50 ultraviolet wavelengths 50 glossy bezel 50 airglow 50 polarizing filters 50 Aurora borealis 50 Planck satellite 50 reddish orange color 50 HM Cancri 50 outer corona 50 HiRISE image 50 annular solar eclipse 50 Solar Dynamics Observatory 50 Lagoon Nebula 50 galaxy M# [001] 50 Jupiter Uranus 50 gnomon 50 celestial phenomenon 50 innermost planet 50 Comet Hartley 50 autumn equinox 50 glary 50 Leonid meteor shower 50 SpaceWeather.com 50 Skin tones 50 ponchos roared 50 Eta Aquarids 50 infrared wavelengths 50 moonrise 50 zodiacal constellations 50 NASA STEREO 50 Cosmic Microwave Background 50 Corot 9b 50 constellation Aquila 50 Capricornus 50 submillimetre wavelengths 50 aurorae 50 elliptical galaxy NGC 50 noctilucent clouds 50 reddish hue 50 comet Tempel Tuttle 49 visible wavelengths 49 Arches Cluster 49 smallest exoplanet 49 submillimeter wavelengths 49 SIRTF 49 concentric squares 49 exosphere 49 Perseid meteor shower 49 galaxy NGC 49 unpolarized 49 Syrtis Major 49 ionized gases 49 skywatchers 49 moon Phobos 49 Kuiper belt objects 49 SolarBeam 49 Spitzer infrared 49 Sombrero Galaxy 49 glows brightly 49 Meteor showers 49 Lunar eclipses 49 Perseid meteor 49 LCROSS spacecraft 49 lensing galaxy 49 airy atrium 49 Rosette Nebula 49 celestial spectacle 49 sky gazers 49 Geminids meteor shower 49 Comet McNaught 49 glows orange 49 lightwaves 49 X ray afterglow 49 Leonid Meteor Shower 49 Earthlike 49 constellation Ursa Major 49 Tarantula nebula 49 Uranus Jupiter 49 pale yellowish 49 greenish tinge 49 SINFONI 49 Manhattanhenge 49 Zeta Ophiuchi 49 clouds scudding across 49 spaceweather.com 49 Butterfly Nebula 49 orangey brown 49 blackbody 49 Chi Cygni 49 equinox occurs 49 planetarium dome 49 LCD readout 49 chromosphere 49 extrasolar planet HD #b 49 GRB #A 49 unaided eye 49 Horsehead Nebula 49 Saturnian moon Titan 49 petaled flower 49 micron wavelengths 49 starscape 49 lunar occultation 49 Helix Nebula 49 exoplanetary 49 polar vortex 49 phosphorescent glow 49 moderate NW'ly winds 49 permanently shadowed regions 49 moon Iapetus 49 Leonid shower 49 slanting rays 48 starless sky 48 OLEDs emit 48 Opportunity rover 48 Leonid meteors 48 Maiacetus 48 Herschel Crater 48 Perseids Meteor Shower 48 occultations 48 grayish hue 48 planetary transits 48 Thick smoke obscured 48 ringplane 48 coyote howling 48 faint smudge 48 Rayleigh scattering 48 stellar occultation 48 infrared LEDs 48 optical telescope 48 yellowish orange 48 eclipsing binary 48 Jovian moon 48 Milky Way Galaxy 48 Saturnian moon 48 HD #b [002] 48 constellation Cetus 48 martian landscape 48 moon Enceladus 48 constellation Cygnus 48 Peony nebula star 48 ultrabright 48 supermoon 48 auroral activity 48 Bullet Cluster 48 moon Mimas 48 umbral shadow 48 shorter wavelengths 48 X ray emission 48 parabolic mirror 48 nanostars 48 intrinsic brightness 48 Taurids 48 antiglare coating 48 Shawal moon 48 shadowed craters 48 fainter meteors 48 graceful curving 48 Gliese #c 48 umbra 48 cometary debris 48 Saturn Cassini 48 polar craters 48 LCD viewfinder 48 Helix nebula 48 collimated 48 perforated stainless steel 48 fireball streaking 48 coronal loop 48 constellation Sagittarius 48 star Beta Pictoris 48 Delta Aquarids 48 Charon Pluto 48 Stephan Quintet 48 retroreflector 48 photometry 48 Perseids 48 ecliptic 48 P/# A2 48 faint meteors 48 arcminutes 48 polar latitudes 48 softly glowing 48 gravitational lens 48 Crab Nebula 48 phosphorescence 48 Earth magnetosphere 48 elongated orbits 48 binocular telescope 48 Earthshine 48 STEREO spacecraft 48 Explorer WISE 48 COROT 7b 48 partial lunar eclipse 48 equilateral triangle 48 sunrays 48 Mercury exosphere 48 Tycho supernova remnant 47 Antennae Galaxies 47 exoplanet orbiting 47 constellation Ophiuchus 47 Corona Borealis 47 Surface Composition Spectrometer 47 zodiac constellations 47 ejecta blanket 47 dust mote 47 planet orbits 47 tidally locked 47 diffuse aurora 47 ethereal glow 47 Cassini flyby 47 Trapezium 47 celestial object 47 SCP #F# 47 V# Mon 47 Galilean moons 47 Clouds obscured 47 sky darkens 47 moon Charon 47 arcsecond 47 lance shaped 47 crystalline silicates 47 analog speedometer 47 asteroid Vesta 47 white underparts 47 Astronomically speaking 47 Saturn moon Mimas 47 filamentary structure 47 red supergiant 47 BP Psc 47 Lyrids 47 backscattered 47 SN #A 47 Great Orion Nebula 47 brightly shining 47 #K CCT 47 microlens 47 solar eclipse 47 planetary Transits 47 Espenak 47 telescope eyepiece 47 comet nucleus 47 Ulysses spacecraft 47 Epsilon Eridani 47 Celestial Pole 47 Rhinestone suits 47 galactic bulge 47 Ring Nebula 47 gamma ray observatory 47 hurricane eyewall 47 Orion Belt 47 orangish 47 reddish hues 47 X ray beam 47 type Ia supernovae 47 Methone 47 light refracting 47 viewscreen 47 Perseid meteors 47 blue supergiant 47 bluish glow 47 auroras 47 super perigee moon 47 Hyades cluster 47 pale mauve 47 vertical slits 47 planet Nibiru 47 waxing gibbous 47 Mars Uranus 47 Mercury Uranus 47 Orionid Meteor Shower 47 smoggy atmosphere 47 paler shades 47 transiting planet 47 frame radiator grille 47 planets orbits 47 floodlights illuminating 47 planets Uranus 47 hydroxyl molecules 47 Perseid Meteor Shower 47 SOHO spacecraft 47 mauve flowers 47 autumnal equinox 47 constellation Ara 47 amber glow 47 Upsilon Andromedae 47 protoplanet 47 RS Ophiuchi 47 dimly illuminated 47 coppery color 47 SKY WATCH 47 freckled complexion 46 barred spiral galaxy 46 parabolic reflector 46 Orion Nebula 46 constellation Canis Major 46 planet Gliese #c 46 Comet Halley 46 TONIGHT Mostly 46 ultraviolet imaging spectrograph 46 phosphor coating 46 penumbral 46 infrared laser pulses 46 infrared ultraviolet 46 occulted 46 Aurigid 46 heliopause 46 #P/Churyumov-Gerasimenko 46 Lightning flickered 46 Geminid 46 exoplanets planets 46 planet HD #b 46 polar mesospheric clouds 46 extrasolar planets orbiting 46 fleshtones 46 NGC #A 46 pearlescent white 46 Leonid meteor 46 RXTE 46 underwings 46 mu Arae 46 Serpens Cauda 46 spherical halo 46 southern latitudes 46 Veil Nebula 46 star Proxima Centauri 46 orange tinge 46 fresnel lens 46 concave mirror 46 FORK Water 46 Luxeon LEDs 46 crescent 46 Proxima Centauri 46 galactic equator 46 meteor streaked across 46 Goldilocks zone 46 Kuiper belt disc 46 CADDO Water 46 distant quasar 46 Mini TES 46 Winter solstice 46 Omega Nebula 46 moons Io 46 Henize #-# 46 inky sky 46 aperture telescope 46 RS Oph 46 Cancri e 46 sunnier spells 46 ashen gray 46 celestial phenomena 46 RICHLAND CHAMBERS Water 46 Sensing Satellite LCROSS 46 constellation Carina 46 XO 3b 46 dwarf spheroidal galaxies 46 circularly polarized light 46 frigidly cold 46 moonless 46 unpleasant greenish tinge 46 thunderstorms loomed 46 Appearance Pours 46 Oceanus Procellarum 46 linearly polarized 46 rover Opportunity 46 Goldilocks planet 46 HiRISE camera 46 sunglint 46 blindingly bright 46 Sagittarius dwarf galaxy 46 Saturn outermost 46 aurora australis 46 cosmic ray flux 46 fernlike 46 fainter objects 46 NASA Neil Gehrels 46 Frostbitten skin 46 glossy foliage 46 Cabeus crater 46 Caloris 46 exoplanetary systems 46 Milky Way halo 46 perihelion 46 concentrating photovoltaics CPV 46 heliosheath 46 PureColor LCD II 46 Gusev crater 46 Geminid meteor showers 46 convex lenses 46 Saturn rings 46 x ray pulses 46 astronomical telescope 46 LED headlamps 46 ovoid shaped 46 thing Swistel 46 galactic cores 46 Upsilon Andromedae b 46 Great Conveyor Belt 46 infrared illumination 46 Gliese #e 46 bluish tinge 46 extrasolar planet 46 Pleiades 46 solar minima 46 translucently 46 ecliptic plane 46 Circinus X 1 46 squint inducing 46 sunray 46 purple hues 46 spectral characteristics 46 orange hue 46 Venusian surface 46 planetary conjunctions 46 Galilean satellites 46 planets comets 46 Doradus 46 underparts 46 honeycomb pattern 46 Pancam 46 meteor fireball 46 Type Ia supernova 45 SATURDAY NIGHT Mostly 45 FALCON Water 45 Carry flashlight 45 sun 45 meridional flow 45 sun corona 45 Mimas 45 specular reflection 45 sunbeam 45 planet Gliese #g 45 albedo reflectivity 45 transflective LCD 45 COROT exo 3b 45 fiery sunsets 45 white striped awning 45 cosmic cannibal 45 Mercury magnetosphere 45 annual Perseid meteor 45 Cosmic Microwave Background CMB 45 amber LEDs 45 SNR #-#.# 45 infrared observatory 45 lunar orbits 45 Comet Tempel 1 45 supernova remnant 45 Eagle Nebula 45 glo pink 45 glowing orb 45 noctilucent 45 Eta Carinae 45 steering wheel tilts 45 lenticular clouds 45 smoker vents 45 Saturn magnetosphere 45 Hanny Voorwerp 45 Voyager spacecraft 45 iridescent sheen 45 backlighted 45 lunar eclipse 45 superbright 45 bare light bulb 45 orangey yellow 45 radiational cooling 45 BUCHANAN Water 45 electro chromatic 45 foreground galaxy 45 backlit gauges 45 Greenwich meridian 45 X ray telescopes 45 annular eclipse 45 spiral galaxy M# 45 Tempel Tuttle 45 prograde 45 constellation Pisces 45 Andromeda Galaxy 45 spiral nebulae 45 Sagittarius B2 45 Carina Nebula 45 ear tufts 45 reddish orange 45 bright reddish orange 45 lunar equator 45 airmass 45 ULP cepheids 45 ionized hydrogen 45 Hellas Basin 45 nightglow 45 Gemini constellation 45 moon 45 ESO Paranal Observatory 45 periodic dimming 45 Wolf Rayet stars 45 #x# binoculars [001] 45 exhaust plume 45 Astronomy buffs 45 orbital resonance 45 cryovolcanism 45 Lunar Reconnaissance Orbiter LRO 45 extragalactic 45 pinkish purple 45 cosmic magnifying glass 45 greenish hue 45 WEATHER Sunny 45 planetary nebula 45 brightest meteors 45 Type Ia 45 ton Waterford Crystal 45 Einstein cosmological constant 45 constellation Monoceros 45 orbiting Hubble Space Telescope 45 LEDs illuminate 45 hilal 45 sunward 45 cerulean sky 45 Jupiter Saturn 45 jewel toned colors 45 Spitzer infrared spectrograph 45 THEMIS spacecraft 45 vernal equinox 45 xenon lamp 45 silvery sheen 45 beam splitter 45 comets asteroids 45 Martian polar 45 stiff breeze Spyglass 45 robotic explorer 45 parabolic reflectors 45 equinox 45 alpenglow 45 purple hue 45 Toutatis 45 unearthly glow 45 liquid crystal molecules 45 Earth ionosphere 45 Summer solstice 45 equinoxes 45 Foro Italico gusty winds 45 golden croissant 45 constellation Fornax 45 inhabitable planets 45 paperlike 45 Ultraviolet Optical Telescope 45 Heel Stone 45 infrared satellite imagery 45 brighter crisper 45 colorful geometric shapes 45 dragonfly wings 45 NASA MESSENGER spacecraft 45 gaseous planets 45 V# Puppis 45 Spiral galaxies 45 glow emanated 45 Alfven waves 45 Britney boogied until 45 Saturn moon Enceladus 45 Perseid meteor showers 45 skywatching 45 coppery orange 45 cometary material 45 keypad backlight 45 rafting Riggins 45 Rover Opportunity 45 Saturn outermost ring 45 double helix nebula 45 hydrocarbon haze 45 planetary nebulae 45 interstellar boundary 45 fluorescence microscope 45 oblongs 45 greenish color 45 MARSIS radar 45 Infrared Thermal Imaging Spectrometer 45 Leonids 45 Dumbbell Nebula 45 sfumato 45 icy moons 45 opalescence 45 TEXOMA Water 45 broiling Havana 45 Eta Carina 45 Incandescent lights 45 galaxy M# [002] 45 supergiant star 45 X ray binaries 45 posterior temporal 45 pastel tones 45 woolly worm 45 luminous galaxies 45 LED illuminator 45 Vastitas Borealis 45 infrared photons 44 auroral oval 44 New Horizons spacecraft 44 distant supernovas 44 Optitron 44 dust enshrouded 44 Toenail painting 44 Gliese #G 44 type Ia supernova 44 yellow stamens 44 Shepherding Spacecraft 44 submillimeter 44 Small Magellanic Cloud 44 blueish 44 magenta flowers 44 cloudscapes 44 flavorful stew 44 veined wings 44 Geza Gyuk 44 Hot Jupiters 44 shadowless 44 haloes 44 noticeably darker 44 Cepheid variable 44 aurora 44 comet 44 iridescent colors 44 HL Tau 44 phosphor coated 44 flickering glow 44 Kepler #b 44 extrasolar 44 stellar nurseries 44 purplish brown 44 Venusian atmosphere 44 synchronous orbit 44 perigee moon 44 Lush greenery 44 expert Fred Espenak 44 haloing 44 TrES 4 44 Shackleton crater 44 magnetotail 44 uplight 44 Virgo Cluster 44 bluebell wood 44 Pinwheel galaxy 44 interplanetary spacecraft 44 Cygnus Lyra region 44 utter blackness 44 MG J# +# 44 SN#A 44 sized planets orbiting 44 gamma ray repeater 44 headlamp surrounds 44 breeding plumage 44 reddish purple 44 brightly illuminated 44 Encke gap 44 purplish color 44 emits photons 44 rainbow arched 44 Coma cluster 44 MESSENGER spacecraft 44 galaxy NGC# 44 Galileo spacecraft 44 Saturnian system 44 rotational axis 44 asteroidal 44 Kuiper Belt Objects 44 E Ink screens 44 ambient illumination 44 constellation Aries 44 brightnesses 44 refractor telescope 44 moon Io 44 westerly trough 44 hazy sunshine 44 AU Mic 44 sextile 44 Kuiper belt 44 Light Emitting Diodes LEDs 44 Doppler shift 44 energetic electrons 44 rocky extrasolar planet 44 lighthouse beacon 44 UVOT 44 moonless nights 44 wavefronts 44 shadowy craters 44 Geminid Meteor Shower 44 collimated beam 44 luna moth 44 LED taillamps 44 silicate dust 44 pink highlighter 44 XTE J# 44 moons Phobos 44 Earthlike planet 44 beam headlamps 44 Sky gazers 44 polarimetry 44 accretion disk 44 Type 1a supernovae 44 sunlike star 44 baryonic matter 44 Wide brimmed hats 44 obscuration 44 microlensing events 44 transmissive LCD 44 twin Voyager spacecraft 44 pronounced parietal 44 translucent acrylic 44 WISE infrared 44 TONIGHT Mostly clear 44 roundest 44 Fermi telescope 44 Konacki 44 sodium atoms 44 halogen headlights 44 glowing orbs 44 solar corona 44 azure ocean 44 Comet Hale Bopp 44 bluey green 44 sulphurs 44 dapples 44 Chromatic aberration 44 petal edges 44 Coma Cluster 44 fist widths 44 Gliese #g 44 uncontrollable gusher 44 tawny brown 44 raincloud 44 contrasty 44 equatorial bulge 44 X ray photons 44 partial eclipse 44 Monoceros 44 GIBBONS CREEK Water 44 star IM Pegasi 44 star Gliese 44 XLamp XM L 44 microlensing 44 CMB photons 44 Geminga 44 flare skyward 44 Earth magnetotail 44 photometer 44 Adaptive optics 44 Mars moon Phobos 44 Rosetta lander 44 retroreflective 44 cosmic microwave radiation 44 intracluster 44 Leonids meteor shower 44 pinwheel shaped 44 total lunar eclipse 44 Risinger plotted 44 electro luminescent 44 Heliospheric Observatory 44 LED illumination 44 teardrop shaped VTA 44 Dobsonian telescope 44 x ray beams 44 brightest comet 44 axions 44 assumed planets circling 44 COLETO CREEK Water 44 photons particles 44 hoarfrost 44 geometric constructions 44 Saturn Jupiter Uranus 44 distant galaxy clusters 44 blackish gray 44 scalloped edge 44 Orientale Basin 44 Titan smoggy 44 yellower 44 redshifted 44 BLG #Lb 44 landing Navias 44 absorbs photons 44 skygazers 44 XMM Newton 44 Shackleton Crater 44 diffracted 44 aphelion 44 armillary sphere 44 Oort cloud 44 infrared spectrograph 44 constellation Libra 44 Veniaminof 44 galactic halo 44 brownish haze 44 glowing brightly 44 • JACOMO 44 planets circling stars 44 FAYETTE Water 44 LORRI 44 equilateral triangles 44 Martian equator 44 exosolar planets 44 perigee 44 orbits Saturn 44 quasicrystal 44 Opportunity parachuted 44 funk steams 44 thermal convection 44 red supergiants 44 untinted 44 Aurora Borealis 44 earthlike planets 44 cumulous clouds 43 interstellar magnetic 43 sensitive pineal gland 43 HPS lamps 43 Comet Tempel Tuttle 43 AIRS instrument 43 parabolic dish 43 optical telescopes 43 CMB radiation 43 prominences 43 Xenon lamp 43 bark peels 43 HARPS instrument 43 flyby spacecraft 43 Maunder minimum 43 tannish brown 43 Cancri 43 astronomical observatories 43 Kuiper Belt object 43 dust motes 43 featureless expanse 43 backlight bleed 43 bulbed 43 shortwave infrared 43 Fluorescent lighting 43 distant galaxy 43 brightest supernova 43 eyepiece 43 extrasolar worlds 43 ellipse 43 tropical latitudes 43 Indiglo 43 zoom lever 43 nebular 43 VISTA telescope 43 brightness 43 KBOs 43 Niclas Henricson head 43 millimeter wavelengths 43 Hellas Planitia 43 Solar Terrestrial Relations 43 AB Aurigae 43 glitter snowflakes 43 celestial objects 43 mirrorlike 43 xenon lamps 43 Adaptive headlights