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(Click for frequent words.) 63 Saturnian moon 62 cumulus cloud 59 moon Mimas 58 cumulonimbus 58 Serpens Cauda 58 lunar maria 58 Ontario Lacus 58 dusty disks 58 heavily cratered 58 Hot Jupiters 58 considered seas Lunine 58 cumulous clouds 57 icy moon Enceladus 57 sunlike stars 57 Horsehead Nebula 57 Kraken Mare 57 Pleiades cluster 57 reflection nebula 57 moons Phobos 57 constellation Eridanus 57 Galilean moons 56 nebula NGC 56 Kuiper Belt Objects 56 starlike object 56 Syrtis Major 56 Zeta Ophiuchi 56 zodiac constellations 56 moons orbiting 56 reddish hues 56 orbits Saturn 56 comets orbiting 56 Rosette Nebula 56 moon Enceladus 56 mineral olivine 56 Lagoon Nebula 56 Caloris 56 Orion nebula 55 Spiral galaxies 55 BP Piscium 55 Veil Nebula 55 moon Phobos 55 nebulosity 55 dense clumps 55 orangish red 55 galaxy M# [001] 55 Omega Nebula 55 Carina Nebula 55 jovian 55 eccentric orbits 55 Bug Nebula 55 retrograde orbit 55 constellation Andromeda 55 earthlike 55 volcanic lava flows 55 exosphere 55 purplish brown 55 spiral galaxy NGC 55 Quaoar 55 Saturn moon 55 HL Tau 54 cratered highlands 54 proplyds 54 Caloris Basin 54 Trifid 54 ionized hydrogen 54 galactic disk 54 smoker vents 54 smoggy atmosphere 54 rubbly 54 blue supergiant 54 shadowed craters 54 southern latitudes 54 Saturnian moons 54 sunlike star 54 chromosphere 54 Great Orion Nebula 54 moon Ganymede 54 volcanoes spewing 54 Terra Meridiani 54 lunar equator 54 Saturn Enceladus 54 reddish hue 54 icy moons 54 lunar highlands 54 equatorial latitudes 54 basalt lava 54 purplish gray 54 permanently shadowed craters 54 constellation Serpens 54 hummocks 54 Upsilon Andromedae 54 Candor Chasma 54 constellation Virgo 54 interstellar cloud 53 polar vortex 53 permanently shadowed regions 53 polar craters 53 Oceanus Procellarum 53 constellation Auriga 53 waxing crescent 53 moon Io 53 VY Canis Majoris 53 Jovian moon 53 aster Aster 53 Veniaminof 53 KBOs 53 limestone outcrops 53 Globular clusters 53 IRAS 4B 53 star Spica 53 geysers erupting 53 tropical latitudes 53 Orion constellation 53 basaltic lava 53 starlike 53 Opportunity Mars rover 53 planets Uranus 53 volcanic moon Io 53 tidally 53 barred spiral galaxy 53 Fossae 53 circumstellar 53 lunar crust 53 MG J# +# 53 emission nebula 53 silicate dust 53 protoplanets 53 moon Deimos 53 Eagle Nebula 53 katabatic winds 53 stellar nurseries 52 endless expanse 52 Andromeda galaxy 52 umbels 52 constellation Hercules 52 constellation Cetus 52 Valles Marineris 52 GJ #b [002] 52 globular cluster M# 52 yardangs 52 elongated orbits 52 submillimetre wavelengths 52 volcanic lava 52 circumstellar dust 52 polar icecap 52 circumstellar disk 52 gravitational tides 52 brownish haze 52 accretion disks 52 barren expanse 52 Tharsis Rise 52 Mount Bosavi 52 Corot 7b 52 volcano Olympus Mons 52 dust mote 52 Coma cluster 52 Planetary nebulae 52 Saturn Cassini 52 cluster NGC 52 brownish gray 52 micron wavelengths 52 solar prominences 52 atmospheric circulations 52 Noachian era 52 elliptical galaxy 52 planet HD #b 52 birdlike dinosaur 52 Saturn moon Iapetus 52 lobate scarps 52 grayish white 52 supergiant stars 52 airglow 52 coronal loops 52 basalt cliffs 52 hydrated minerals 52 planet WASP #b 52 Tarantula Nebula 52 calderas 52 microscopic phytoplankton 52 deep convective clouds 51 shadowy craters 51 giant elliptical galaxies 51 lunar craters 51 hydrocarbon haze 51 gibbous 51 Kuiper belt objects 51 sized planets orbiting 51 leathery leaves 51 pinkish brown 51 zodiacal constellations 51 Martian dunes 51 constellation Fornax 51 moonlike 51 flood basalts 51 Oort cloud 51 Saturn outermost 51 Trifid Nebula 51 comet Tempel Tuttle 51 purple heather 51 pinkish orange 51 extrasolar 51 zodiacal dust 51 moons Europa 51 Cassini flyby 51 cosmic cannibal 51 Jupiter moons Europa 51 ghostly glow 51 Herschel Crater 51 GJ#b 51 Jovian moons 51 geyser plumes 51 starless sky 51 planets orbits 51 Kuiper Belt object 51 Martian equator 51 thin crescent 51 moon Iapetus 51 Coma Cluster 51 Neutron stars 51 Kuiper Belt Object 51 subsurface ocean 51 Galilean satellites 51 Eridanus 51 coppery brown 51 protoplanetary discs 51 albedo reflectivity 51 moonlets 51 Oort Cloud 51 Elysium Planitia 51 greenish hue 51 solidified lava 51 Hadley Rille 51 Saturn outermost ring 51 Earthlike 51 constellation Vulpecula 51 yellowish hue 51 orange orb 51 solidified lava flows 51 nebular 51 inner moons 51 galactic halo 51 subzero temperature 51 Cosmic Microwave Background 51 greenish yellow 51 Arsia Mons 51 tidal bulge 51 anorthosite 51 protoplanet 51 hydrated silica 51 Antarctic glacier 51 polar latitudes 51 prominences 51 Palaeozoic sedimentary 51 cometary debris 51 umbral shadow 51 protostars 51 greenish glow 51 extrasolar planet HD #b 50 spacecraft orbited 50 mantled 50 inky sky 50 Io Europa 50 Bonneville Crater 50 Late Paleozoic 50 blackish purple 50 tannish 50 Martian dust 50 inky shadows 50 ionized gases 50 AU Mic 50 Capricornus 50 galaxy NGC 50 prograde 50 abyssal plain 50 Tarantula nebula 50 Geminid meteors 50 Cometary 50 silicate rocks 50 Cat Paw Nebula 50 Trapezium 50 Viking orbiters 50 P/# A2 50 planetary nebulas 50 granite cliffs 50 Kuiper belt object 50 waning crescent 50 Terra Sirenum 50 WASP #b 50 icescape 50 stratus clouds 50 Dumbbell Nebula 50 moon Titan 50 TrES 4 50 Beta Pictoris 50 Comet Hartley 2 50 starburst galaxy 50 constellation Carina 50 Kuiper Belt objects 50 faint wisps 50 protoplanetary disks 50 fingerlike projections 50 gaseous planet 50 IRAS #-# 50 circumstellar disks 50 nimbus clouds 50 Ares Vallis 50 silicate mantle 50 Geminids meteor shower 50 silicon monoxide 50 Saturn moon Mimas 50 spiral galaxy Messier 50 gelatinous mass 50 olivine crystals 50 Kuiper belt 50 spiral galaxy M# 50 Hyades cluster 50 Orion Nebula 50 mottled gray 50 proto cluster 50 giant elliptical galaxy 50 coppery red 50 opalescence 50 constellation Pegasus 50 IRC +# 50 Epsilon Aurigae 50 Fomalhaut b 50 saxifrage 50 planktonic foraminifera 50 barren plains 50 Helix Nebula 50 southern constellation Carina 50 Cassini Finds 50 Noctilucent clouds 50 spheroidal 50 cinder cones 50 Olympus Mons 50 pinkish purple 50 azure skies 50 Saturn moons Titan 50 taiga forest 50 basalt rocks 50 constellation Coma Berenices 50 sandstone bluffs 50 Extrasolar planets 50 Comet Tempel Tuttle 50 Cassini Image 49 planet Gliese #c 49 purple sea urchins 49 orangey yellow 49 waning crescent moon 49 Mini Thermal Emission 49 inner asteroid belt 49 orbital eccentricity 49 northern arctic plains 49 yellowish color 49 loamy soils 49 Magnetars 49 haze shrouding 49 ferruginous 49 interacting galaxies 49 Vastitas Borealis 49 magenta pink 49 redish 49 sunless depths 49 galaxy M# [002] 49 Upsilon Andromedae b 49 Comet NEAT 49 fluffy snowflakes 49 Phoebe orbits 49 blackish brown 49 boreal regions 49 Dwarf galaxies 49 Charon Pluto 49 reddish orange hue 49 constellation Cassiopeia 49 clouds billow 49 axial tilt 49 spherical halo 49 Martian terrain 49 star Beta Pictoris 49 pinkish gray 49 Mercury exosphere 49 Milky Way halo 49 crinoids 49 jagged coastline 49 photosphere 49 Cygnus Lyra region 49 reddish color 49 Saturn moon Enceladus 49 hydrothermal vent 49 protoplanetary 49 hummocky 49 volcanic vents 49 energetic electrons 49 colliding galaxies 49 KH #D 49 lowermost mantle 49 spurge Euphorbia 49 Uranus Jupiter 49 Galileo spacecraft 49 silvery foliage 49 Orientale Basin 49 galactic clusters 49 sun corona 49 tawny brown 49 cratons 49 moonlet 49 windblown sand 49 rusticles 49 filamentary 49 Jupiter moon Io 49 curved tusks 49 lunar meteorites 49 Bok globules 49 Sojourner rover 49 Pleiades star 49 nacreous 49 inflorescences 49 Geologically speaking 49 Cepheus 49 basaltic rocks 49 purple blossoms 49 celestial phenomena 49 burgundy foliage 49 yeti crab 49 proto planetary disks 49 moons Io 49 iridescent sheen 49 lance shaped 49 infall 49 cryovolcanism 49 protoplanetary disc 49 telescope eyepiece 49 whitecapped 49 galactic cores 49 gnarled oak 49 constellation Taurus 49 grassy meadows 49 treeless terrain 49 planet Uranus 49 volcanic caldera 49 gibbous moon 49 indestructible BOB 49 interstellar dust particles 49 talus slopes 49 stratocumulus clouds 49 Planitia 49 feathery foliage 49 IR wavelengths 49 Cassini spacecraft orbiting 49 COROT 7b 49 Ursa Minor 49 russet brown 49 Epsilon Eridani 49 Toutatis 49 spruce fir forest 49 orangey brown 49 reddish tinge 49 lush ferns 49 Titan smoggy 49 haze shrouded 49 Laramidia 49 sandstone canyons 49 Asteroid Belt 49 glaciers retreated 49 star Fomalhaut 49 auroral displays 49 frozen tundras 49 gulf fritillary 49 gravitational perturbations 49 merging galaxies 49 plagioclase 49 Surface Composition Spectrometer 49 scrubby brush 49 glaucous 49 dense rainforests 49 asteroidal 49 yellowish orange 49 Super Earths 49 synchronous orbit 48 Manned missions 48 whorled 48 Stephan Quintet 48 Saharan Desert 48 foliaged 48 Mimas 48 planetary embryos 48 planetary nebula 48 featherlike 48 permafrost soils 48 swans glide 48 Aram Chaos 48 tropical subtropical 48 Neptune Uranus 48 sundog 48 martian landscape 48 crater pocked 48 inky blackness 48 -# degrees Fahrenheit [002] 48 zodiacal light 48 planetary surfaces 48 downwelling 48 galaxy Andromeda 48 chlorine monoxide 48 luminosities 48 semidesert 48 Titan Saturn 48 waning gibbous 48 shimmering mirage 48 stratovolcano 48 Martian polar 48 seafloor sediments 48 constellation Centaurus 48 coppery color 48 brownish color 48 midlatitudes 48 nimbus 48 nebula 48 cometary impacts 48 silicate grains 48 single celled algae 48 CoRoT 7b 48 BLG #Lb 48 arid deserts 48 Pinwheel galaxy 48 Red Rectangle 48 proto planetary disk 48 slender crescent 48 XO 3b 48 sub glacial lakes 48 sunlight glinting 48 faint smudge 48 birch Betula 48 orbital resonance 48 hoar frost 48 Martian craters 48 moon Europa 48 calcite crystals 48 Saturnian moon Titan 48 thunderhead 48 lobate 48 wind rustles 48 Shepherding Spacecraft 48 lenticular clouds 48 thermal vents 48 Serpens 48 comet Hale Bopp 48 oceanic plates 48 glacial moraine 48 anticyclonic 48 wispy cirrus clouds 48 snowscape 48 towering cumulus clouds 48 carbonaceous chondrite 48 gravitational tugs 48 lava flowed 48 Valles Marineris canyon 48 Jupiter Ganymede 48 reddish 48 Kepler 9c 48 glows brightly 48 Siberian tundra 48 Gusev crater 48 filamentary structure 48 Frostbitten skin 48 Earth radii 48 Orcus Patera 48 novas 48 Hellas Basin 48 sediments deposited 48 creatures inhabiting 48 icy crust 48 twin suns 48 subterranean caves 48 bright reddish orange 48 constellation Ursa Major 48 lithosphere 48 ah dus 48 martian atmosphere 48 Galactic Plane 48 flightless cormorants 48 planetary nebulae 48 mossy green 48 Fermi telescope 48 sunward 48 WISE telescope 48 desolate expanse 48 planetoid 48 Saturnian 48 Jovian atmosphere 48 proto galaxies 48 Imaging Spectroradiometer MODIS instrument 48 lava tubes 48 dewdrop 48 turbulent eddies 48 red supergiant 48 greenish brown 48 gravitational interactions 48 TONIGHT Clear 48 Mathieu Amalric stumbles 48 fragrant blossoms 48 lapilli 48 constellation Monoceros 48 Ring Nebula 48 Chi Cygni 48 bluish tinge 48 featureless expanse 48 ostracods 48 limestone outcroppings 48 basaltic 48 bristlecone pine trees 48 Cassini flybys 48 receding glacier 48 rotifer 48 bristlecone pines 48 Taurids 48 evergreen forests 48 tundras 48 cloudscapes 48 scalelike 48 Isidis Planitia 48 purplish red 48 graphite whiskers 48 planetary orbits 48 Shackleton Crater 48 Sinus Meridiani 48 speleothems 48 bluish green 48 water vapor condenses 48 volcanic outcrops 48 magma boiling 48 Navajo sandstone 48 stony meteorite 48 ejecta 48 spruce fir forests 48 Omega Centauri 47 dappling 47 gaseous planets 47 waterfall cascades 47 Crab Nebula 47 gravitational interaction 47 NGC #A 47 waning gibbous moon 47 crystalline silicates 47 hilly mountainous terrain 47 cedar hemlock 47 swarming locusts 47 Virgo cluster 47 Dust devils 47 periodic dimming 47 CoRoT #b 47 exo planet 47 elongated necks 47 woody shrub 47 rimed 47 sargassum weed 47 polygonal shapes 47 Clumps 47 Iapetus 47 Mpc 47 celestial sphere 47 cumulus clouds 47 Orionids 47 Lyrae 47 fernlike 47 beachball sized 47 orange tinge 47 Monoceros 47 magnetic substorms 47 interstellar clouds 47 Shackleton crater 47 arcminutes 47 Lake Vostok 47 temperate forests 47 alluvial plains 47 ejecta blanket 47 greyish 47 planetesimals 47 Yellowstone Caldera 47 treeless landscape 47 icy comets 47 Lake Untersee 47 hematite mineral 47 blueish green 47 magma ocean 47 coronal holes 47 rover Sojourner 47 beaked birds 47 aspen leaves 47 juniper forests 47 comets moons 47 yellowish 47 #cm 2ft 47 Ingame Description Attack 47 Solar TErrestrial RElations Observatory 47 supermassive 47 Arabia Terra 47 constellation Bootes 47 mountainscape 47 cosmic collisions 47 sulfurous steam 47 Mercury magnetosphere 47 algal mats 47 spacecraft flyby 47 planet magnetosphere 47 constellation Aquarius 47 igneous rocks 47 Sombrero Galaxy 47 Wolf Rayet stars 47 Mars Meridiani Planum 47 planet Gliese #g 47 Peony nebula star 47 unearthly glow 47 golden crowned kinglets 47 stippled 47 abyssal plains 47 Perseus Cluster 47 moons orbiting Saturn 47 cumulonimbus cloud 47 waning crescent Moon 47 Mosquito larvae 47 bluey green 47 Alaskan glaciers 47 1m 3ft 47 pebbly skin 47 lensing galaxy 47 Canis Major 47 Mare Imbrium 47 V# Mon 47 centimeter wingspan 47 zodiacal constellation 47 chestnut oaks 47 atmospheric phenomena 47 hot Jupiters 47 leafless branches 47 ferny foliage 47 Evolution Explorer 47 reddish glow 47 iridium layer 47 scaleless 47 Comet Lulin 47 petalled 47 sastrugi 47 THEMIS Image 47 Comet Machholz 47 brownish red 47 filamentary structures 47 tadpole shrimp 47 supergiant star 47 penumbral shadow 47 bluish tint 47 interstellar dust grains 47 hoarfrost 47 starscape 47 gracile 47 mossy forest 47 Aurigid 47 dust motes 47 moons 47 protoplanetary disk 47 Hellas Planitia 47 micro meteorites 47 swaying coconut palms 47 purplish color 47 brownish hue 47 Sermilik Fjord 47 spookfish 47 planets moons 47 super perigee moon 47 continental crust 47 HD# [002] 47 constellation Lyra 47 rocky ridges 47 Uranus Neptune 47 Moderate Resolution Imaging 47 greenish gray 47 orange hue 47 Sagittarius B2 47 HiRISE image 47 broadleaf forests 47 constellation Aquila 47 Quadrantid meteor shower 47 Saturn magnetosphere 47 Caloris basin 47 McMurdo Dry Valleys 47 alpenglow 47 rotational axis 47 faint meteors 47 Reiner Gamma 47 galaxies collide 47 seabed sediments 47 sulfate salts 47 outwash 47 Nasa spacecraft 47 Comet Halley 47 dusty cocoons 47 Delta Aquarids 47 sandstone formations 47 basaltic rock 47 lichen covered 47 blackish gray 47 blue lobelia 47 underbellies 47 Vast expanses 47 Martian rovers 47 downy feathers 47 volcanic cone 47 northerly latitudes 47 tannish brown 47 fuzzballs 47 subalpine meadows 47 Antiope 47 comets asteroids 47 antarctic 47 Epimetheus 47 ethereal glow 47 asteroids orbiting 47 barren windswept 47 darkly colored 47 constellations Cygnus 47 geologically active 47 tropopause 47 reentry capsule 47 warty skin 47 constellation Scorpius 47 magnetospheric 47 dragonfly wings 47 glossy foliage 47 Meteor showers 47 permanently shadowed 47 TNOs 47 clouds scudding across 47 Aqua satellite 47 auklet 47 Martian volcanoes 47 Explorer WISE 47 billowing plume 47 Venusian atmosphere 47 hyper saline 47 active galactic nucleus 47 apelike creature 47 Sand dunes 47 ashen gray 47 Circinus X 1 47 volcano spews 47 Earthlike planets 47 yellower 47 grabens 47 glowing lava 47 predawn sky 47 Woolly mammoths 47 ancient lava flows 46 infertile soils 46 cirrus clouds 46 brightest meteors 46 blobs 46 Samuel Oschin Telescope 46 subglacial lakes 46 Siple Dome 46 Methane hydrate 46 Iapetus Saturn 46 meteor craters 46 mineral hematite 46 Virgo Cluster 46 olivine mineral 46 constellation Pisces 46 relativistic jets 46 tectonically 46 Chryse Planitia 46 Butterfly Nebula 46 rocky crevices 46 stubby limbs 46 NASA CloudSat 46 breeze ruffles 46 Fra Mauro 46 Muchachos Observatory 46 globulars 46 isotopic compositions 46 moderate NW'ly winds 46 bilaterally symmetrical 46 mu Arae 46 Jupiter magnetosphere 46 sandalwood amber 46 molten magma 46 snowcap 46 X ray emission 46 Eta Carina 46 Permian Period 46 Small Magellanic Cloud 46 planets asteroids 46 planetoids 46 Laurasia 46 cirrus cloud 46 abyssal 46 granite outcroppings 46 Geminga 46 tholins 46 cigar shaped 46 Solar flares 46 vine maples 46 mirrorlike 46 smallest exoplanet 46 mysterious uncharted 46 millisecond pulsars 46 pinkish tint 46 nebulas 46 stony meteorites 46 wispy clouds 46 pine groves 46 Venusian 46 sulfurous gases 46 treeless expanse 46 gnarled oaks 46 elliptical orbits 46 Lava flows 46 Proxima Centauri 46 ringlet 46 called lobate scarps 46 dusks 46 skyscapes 46 gnarled trees 46 smoggy haze 46 Tunguska meteorite 46 scaly skin 46 unicellular algae 46 plantlike 46 polar caps 46 Polycyclic aromatic hydrocarbons 46 sun glistened 46 Galactic cosmic rays 46 constellation Gemini 46 Galaxy Evolution 46 icefields 46 constellation Cygnus 46 greenish yellow flowers 46 icy tundra 46 spirals inward 46 wispy tendrils 46 barren landscapes 46 WISE spacecraft 46 star Gliese 46 Hanny Voorwerp 46 scurf 46 Ius Chasma 46 lanternfish 46 bony armor 46 Ruwenzori Mountains 46 translucently 46 Colossal squid 46 bluish 46 veined wings 46 Volcano spews 46 inhabitable planets 46 Coma Berenices 46 Sphagnum 46 altocumulus 46 HD#b 46 ocean basins 46 comet nuclei 46 Greenland icecap 46 ionized gas 46 lavas 46 Kilauea caldera 46 underwings 46 Enceladus icy 46 planets orbiting stars 46 luscious greenery 46 HII regions 46 antarctic ice 46 convective clouds 46 Cancri e 46 Melas Chasma 46 Deccan Traps 46 duststorms 46 Diviner instrument 46 cinquefoil 46 molten rocks 46 boulder strewn hills 46 lunar soil 46 horseshoe shaped crater 46 amber hued 46 clathrates 46 rainbow arched 46 coccolithophores 46 Voyager spacecraft flew 46 tufa 46 quark gluon 46 grayish 46 mottled 46 ammonia hydrates 46 basalts 46 Saturn moons 46 crescent Moon 46 GQ Lupi 46 volcanic craters 46 comet Lulin 46 yellow stamens 46 red supergiants 46 Contrails