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(Click for frequent words.) 65 icy moons 65 comets asteroids 65 chondrules 64 Kuiper Belt Objects 64 planetesimals 63 KBOs 63 phyllosilicates 63 Oort Cloud 63 hot Jupiters 63 protoplanet 63 stony meteorites 63 Neutron stars 62 solar nebula 62 silicates 62 silicate grains 62 Globular clusters 62 comets 62 protoplanetary disks 62 chondrites 62 planetary nebulae 62 magma ocean 61 interstellar clouds 61 Hot Jupiters 61 gaseous planets 61 spherules 61 permanently shadowed craters 61 icy comets 61 Oort cloud 60 planets asteroids 60 lunar crust 60 comet nuclei 60 carbonaceous chondrites 60 extrasolar 60 rocky planets 60 Spiral galaxies 60 interstellar dust grains 60 ALH# 59 asteroids comets 59 Kuiper belt objects 59 mineral hematite 59 lunar craters 59 lunar soil 59 carbonaceous chondrite 59 Martian meteorites 59 proplyds 59 silicate mantle 59 Upsilon Andromedae 59 spiral nebulae 58 tholins 58 planets 58 protoplanetary disk 58 hydrated minerals 58 Kuiper Belt 58 moons orbiting 58 planetary embryos 58 planemos 58 accretion disks 58 dwarf planets 58 comets orbiting 58 terrestrial planets 58 concretions 58 interstellar cloud 58 jarosite 58 Kuiper belt 58 hematite mineral 58 magnetite crystals 58 carbonaceous chondrite meteorites 58 planetoids 58 mineral olivine 58 Earthlike 58 Jupiter Saturn Uranus 58 carbonate globules 58 Martian craters 57 primitive meteorites 57 protoplanets 57 millisecond pulsars 57 Galilean moons 57 olivine mineral 57 planets comets 57 organic molecules 57 Kuiper Belt objects 57 silicate minerals 57 AGNs 57 presolar grains 57 Galilean satellites 57 supersymmetric particles 57 volcanic lava flows 57 meteoroid impacts 57 nebular 57 primordial ingredients 57 Astrological lore 57 silicate dust 57 photosphere 57 Mini TES 57 planetesimal 56 super Earths 56 hadrons 56 retrograde orbit 56 GJ #b [002] 56 Cosmic Microwave Background 56 Earthlike planets 56 elongated orbits 56 meteoroids 56 planetary orbits 56 elemental abundances 56 meteor impacts 56 dwarf galaxies 56 ionized gas 56 yardangs 56 silicon monoxide 56 gravitationally bound 56 magnetic monopoles 56 luminous galaxies 56 eccentric orbits 56 celestial bodies 56 Corot 7b 56 Comet Tempel Tuttle 56 Magnetars 56 sulfate salts 56 Pluto Eris 56 circular orbits 56 carbonate minerals 56 Upsilon Andromedae b 56 planets Uranus 56 Saturn rings 56 permanently shadowed regions 56 magnetars 56 stellar nurseries 56 molten magma 56 baryons 56 nebulae 56 globulars 56 protons neutrons 56 Haumea 56 Quaoar 56 impactors 55 cosmological theories 55 gaseous planet 55 meteorite impacts 55 Bok globules 55 lunar highlands 55 Alfven waves 55 X ray binaries 55 submillimeter galaxies 55 dense clumps 55 gravitational microlensing 55 supermassive 55 interstellar grains 55 planets astronomers 55 ejecta 55 Higgs bosons 55 moonlets 55 silicate rocks 55 HD#b 55 moons Phobos 55 planets orbits 55 meteoritic material 55 lavas 55 proto planetary disk 55 Jovian moons 55 Kuiper Belt object 55 exosphere 55 chondritic 55 Meteorites 55 GJ#b 55 Mercury magnetosphere 55 WASP #b 55 gray hematite 55 proto planetary disks 55 coronal loops 55 olivine 55 supermassive stars 54 exo planets 54 clathrates 54 sunlike stars 54 spheroidal 54 interstellar dust 54 subsurface ocean 54 hydrated silica 54 P/# A2 54 Epsilon Eridani 54 Goldilocks zone 54 giant elliptical galaxies 54 graphite whiskers 54 pyroxene 54 SMBHs 54 galactic mergers 54 Meridiani 54 Wolf Rayet stars 54 plutoids 54 Gas hydrates 54 igneous rock 54 Kuiper Belt Object 54 elliptical galaxies 54 Martian dust 54 regolith 54 supernova explosions 54 neutralino 54 Antennae Galaxies 54 extrasolar planets 54 sterile neutrino 54 planets circling stars 54 Kuiper belt object 54 HD #b [002] 54 globular clusters 54 gravitational perturbations 54 inhabitable planets 54 outer planets 54 isotopic ratios 54 lunar regolith 54 heavily cratered 54 molten droplets 54 Dwarf galaxies 54 supergiant stars 54 BP Psc 54 smoothest flattest 54 merging galaxies 54 Methane hydrates 54 basalt volcanic 54 neutralinos 54 Rydberg atoms 54 circumstellar disks 54 weakly interacting 54 exoplanets orbiting 54 VY Canis Majoris 54 Saturn Jupiter Uranus 54 gravitational interactions 54 Saturn moons 54 jovian 54 hydrogen helium 54 proto galaxies 54 axions 54 coronal mass ejections CMEs 53 sulfate minerals 53 COROT 7b 53 SN #A 53 polar craters 53 spherical particles 53 Maunder minimum 53 carbonaceous material 53 circumstellar disk 53 moon Ganymede 53 radioactive nuclei 53 elliptical orbits 53 comet McNaught 53 icy crust 53 Neutrinos 53 Jupiter Ganymede 53 moonlet 53 noble gases 53 Methane hydrate 53 Bug Nebula 53 asteroidal 53 martian rocks 53 dwarf spheroidal galaxies 53 polygon patterns 53 Earthly contamination 53 red supergiants 53 prebiotic molecules 53 antiparticles 53 Gravitational waves 53 SN#A 53 abiogenesis 53 crystalline solids 53 APXS 53 CAIs 53 giant gaseous planets 53 comet Tempel Tuttle 53 quark gluon plasma 53 BLG #Lb 53 brown dwarfs 53 protostars 53 planetary nebula 53 Jupiter moons Europa 53 highly elliptical orbits 53 Cosmic rays 53 Trojan asteroids 53 Henize #-# 53 lobate scarps 53 lunar meteorites 53 superfluids 53 circumstellar 53 meteorites 53 lensing galaxy 53 planetary geologists 53 filamentary structure 53 Mars landers 53 hydroxyl molecules 53 Phoebe orbits 53 cosmic phenomena 53 intrinsic brightness 53 baryonic 53 outer crust 53 earthlike 53 GJ #b [001] 53 ultracold atoms 53 Jupiter Saturn 52 retrograde orbits 52 cometary dust 52 trans Neptunian objects 52 asteroids 52 nanobacteria 52 active galactic nuclei 52 branes 52 Fomalhaut b 52 relativistic jets 52 amorphous silica 52 IRC +# 52 stromatolites 52 strangelets 52 lunar magma 52 phyllosilicate 52 pinpoints Lopez Alegria 52 vugs 52 supercontinent 52 supernovae explode 52 energetic cosmic rays 52 moons 52 galactic cosmic rays 52 planetary nebulas 52 leptons 52 basaltic rocks 52 zodiacal light 52 spherically symmetric 52 chondritic meteorites 52 CoRoT #b 52 sterile neutrinos 52 globular cluster 52 planet Gliese #g 52 dynamical processes 52 distant supernovae 52 meteoritic 52 Fullerenes 52 rotating neutron stars 52 Eagle Nebula 52 hypernova 52 astrobiologists 52 ionized hydrogen 52 Jupiter icy moons 52 biosignatures 52 NASA twin rovers 52 habitable zones 52 Milky Way halo 52 clumped together 52 Milky Way Galaxy 52 nucleosynthesis 52 Valles Marineris 52 noctilucent clouds 52 helium nuclei 52 plutons 52 planets orbiting stars 52 Elliptical galaxies 52 AB Aurigae 52 transiting planets 52 extrasolar planetary systems 52 iron oxides 52 dynamical evolution 52 Neptune Uranus 52 infalling 52 Cometary 52 Saturnian moon 52 eclipsing binaries 52 sized planets orbiting 52 magnetospheres 52 mesons 52 collisional 52 dusty disks 52 liquid droplets 52 silicate mineral 52 RS Ophiuchi 52 interstellar dust clouds 52 extrasolar worlds 52 quasars 52 primitive organisms 52 amorphous calcium carbonate 52 exoplanets 52 Veil Nebula 52 moon Europa 52 Fermions 52 Meteor showers 52 Super Earths 52 solitons 52 zinc sulfide 52 pentagons 52 nuclei 52 planets orbiting sun 51 Bose Einstein condensates 51 Asteroids 51 Milankovitch 51 ejecta blanket 51 vibrating strings 51 carbonaceous meteorites 51 micrometeorite impacts 51 moondust 51 astronomical phenomena 51 cometary material 51 gravitational lenses 51 planets orbiting distant 51 moon Mab 51 Extrasolar planets 51 Evolution Explorer 51 Voyager spacecraft 51 planets moons 51 chromosphere 51 smoothest flattest spot 51 supernovae 51 solidified lava 51 Higgs Boson particle 51 silicate crystals 51 binary asteroid 51 Ursa Minor 51 galactic disk 51 V# Mon 51 overlying layers 51 rubbly 51 Wilkinson Microwave Anisotropy Probe 51 unmanned probes 51 alkali metal 51 subatomic particle 51 lava tubes 51 called gray hematite 51 osmium 51 Murchison meteorite 51 comet 51 nucleobases 51 Hanny Voorwerp 51 meteorite bombardment 51 emit X rays 51 crystalline silicates 51 quark gluon 51 Saturn Cassini 51 neutron star 51 strange quarks 51 B mesons 51 Higgs particle 51 SNR #-#.# 51 antiquarks 51 X ray wavelengths 51 Syrtis Major 51 relativistic particles 51 ammonia flakes 51 Galactic cosmic rays 51 GRBs 51 Late Heavy Bombardment 51 yttrium barium copper 51 periodic dimming 51 protoplanetary discs 51 radioactive decay 51 filamentary structures 51 Comet Halley 51 hydrosphere 51 interstellar molecules 51 Ring Nebula 51 bosons 51 Phaethon 51 helium atoms 51 volcanic moon Io 51 graupel 51 Nasa spacecraft 51 electrons orbiting 51 Pluto Charon 51 tidal tails 51 cirrus clouds 51 called lobate scarps 51 supercontinents 51 spacecraft flyby 51 galactic cores 51 supernovas 51 Rydberg atom 51 Bose Einstein condensate 51 microscopic specks 51 OGLE TR #b 51 optical lattices 51 gravitational lensing 51 shadowy craters 51 Cepheids 51 magnetospheric 51 interplanetary dust 51 magmas 51 Titan smoggy 51 reentry capsule 51 sundog 51 habitable planets 51 Omega Centauri 51 ferromagnets 51 interstellar medium 51 binary asteroids 51 celled organisms 51 post perovskite 50 Dumbbell Nebula 50 Weakly Interacting Massive Particles 50 luminosities 50 icy snowballs 50 radial velocity technique 50 galaxies 50 cryovolcanism 50 AU Mic 50 bosonic 50 VB #b 50 electrons positrons 50 Mojzsis 50 shadowed craters 50 Halley comet 50 zodiacal dust 50 planet HD #b 50 Geminga 50 baryonic matter 50 supernova explosion 50 electrons protons 50 martian 50 Bose Einstein condensation 50 multi celled 50 planet Gliese #c 50 meteor craters 50 unicellular 50 photosynthetic organisms 50 cometary 50 faraway planets 50 comet particles 50 Europa Ganymede 50 S/# P2 50 supersymmetric 50 spicule 50 prokaryote 50 Sagittarius dwarf galaxy 50 organic frameworks MOFs 50 moon Mimas 50 Pleiades cluster 50 distant quasars 50 inner Oort Cloud 50 planets orbiting 50 planetary astronomer 50 CoRoT 7b 50 atomic lattice 50 quantum particle 50 Saturn Enceladus 50 comet nucleus 50 calcite crystals 50 HL Tau 50 spicules 50 volcano Olympus Mons 50 Rayleigh scattering 50 icosahedral 50 Kepler 9c 50 exoplanets planets outside 50 Hawking radiation 50 hadron 50 volcanic basalt 50 polar caps 50 SN #gy 50 permanently shadowed 50 cuprates 50 Zeta Ophiuchi 50 discover Fomalhaut 50 singularities 50 exoplanets planets 50 Muons 50 assumed planets circling 50 TrES 4 50 atoms 50 cosmological distances 50 crystallites 50 comet dust 50 gravitational pulls 50 Gliese #c 50 galactic halo 50 fermions 50 Martian equator 50 Tianyulong 50 Mott insulator 50 plagioclase 50 Planetary nebulae 50 isotopic compositions 50 single celled microorganisms 50 sulfur atom 50 planets atmospheres 50 outer corona 50 plesiosaurs 50 massless 50 exoplanetary 50 martian meteorites 50 Grillmair 50 BP Piscium 50 CMB radiation 50 Bose Einstein condensate BEC 50 Lake Untersee 50 kaons 50 flood basalts 50 comets meteors 50 colloidal crystals 50 Stephan Quintet 50 crystal lattices 50 Trifid Nebula 50 Alycia Weinberger 50 sedimentary rock 50 particle colliders 50 Hydrates 50 planetary Transits 50 Gusev crater 50 constellation Ursa Major 50 basaltic 50 epicycles 50 Saturn magnetosphere 50 Wolszczan 50 volcanic vents 50 gamma rays emitted 49 proto cluster 49 starburst galaxy 49 cratons 49 gravitational tugs 49 Dust devils 49 HIP #b 49 supermassive black holes 49 HM Cancri 49 stellar seismology 49 Noctilucent clouds 49 speleothems 49 neutron stars 49 hypervelocity stars 49 methanogens 49 protoplanetary disc 49 stony meteorite 49 eclipsing binary 49 thermonuclear reactions 49 Uranus Neptune 49 forams 49 Butterfly Nebula 49 Gamma ray bursts 49 X ray binary 49 galaxy M# [002] 49 magnetic monopole 49 sulfide minerals 49 Pavonis Mons 49 reflection nebula 49 basaltic lava 49 Iapetus 49 circular depressions 49 zeolites 49 Wolf Rayet star 49 asteroids orbiting 49 intelligent beings 49 unicellular organisms 49 strange quark 49 Deep Impact eXtended Investigation 49 aragonite 49 nonmagnetic 49 Wassonite 49 Milankovitch cycles 49 olivine rich 49 crustal rocks 49 sulphates 49 Cabeus crater 49 southern supercontinent 49 constellation Eridanus 49 presolar 49 radiometric dating 49 supervolcanoes 49 Schrödinger cat 49 Gamma rays 49 SIRTF 49 polycyclic aromatic hydrocarbons 49 cometary debris 49 starburst galaxies 49 energetic electrons 49 Venusian atmosphere 49 magnesium sodium potassium 49 carbon cenospheres 49 Pulsars 49 Gliese #G 49 Plate tectonics 49 zodiac constellations 49 Saturnian moons 49 Svedhem 49 sunlike star 49 spherical nanoparticles 49 perfectly spherical 49 innermost planet 49 goethite 49 scarps 49 oblate spheroid 49 faint galaxies 49 Epimetheus 49 CoRoT 9b 49 outermost planets 49 synchronous orbit 49 nebulas 49 KT boundary 49 spectral fingerprints 49 lenticular clouds 49 coronal mass ejections 49 lanthanides 49 Comet Hale Bopp 49 atomic nuclei 49 potentially habitable planets 49 samarium 49 interstellar dust tiny 49 olivine crystals 49 tau neutrinos 49 electron beams 49 potentially habitable 49 superheavy elements 49 magnetosphere 49 micrometer sized 49 albedo reflectivity 49 earthlike planets 49 gluons 49 Io Europa 49 Amyloid plaques 49 lipid vesicles 49 millisecond pulsar 49 nanosized 49 Manned missions 49 spherical halo 49 Red Rectangle 49 Nili Fossae 49 W boson 49 mantle plumes 49 look distractingly cartoony 49 ostracods 49 Solar TErrestrial RElations Observatory 49 cometary impacts 49 CoRoT satellite 49 tardigrades 49 Coma Cluster 49 ultracold 49 highly magnetized neutron 49 globular star 49 stromatolite 49 Earthlike planet 49 galaxy clusters 49 strangelet 49 astrobiological 49 ice nucleation 49 smallest exoplanet 49 trilobites 49 astronomical objects 49 subatomic particles 49 Candor Chasma 49 exoplanet orbiting 49 equatorial regions 49 Quadrantid 49 quasicrystal 49 prebiotic soup 49 protoplanetary 49 red supergiant 49 polarimetry 49 Arsia Mons 49 Orion nebula 49 polar stratospheric 49 recrystallized 49 single celled organisms 49 occulted 49 carbonatites 49 micrometeoroid impacts 49 Milky Way 49 Terra Meridiani 49 floating orbs 49 telescopic observations 49 interacting galaxies 49 ionised gas 48 GZK cutoff 48 ice crystals 48 Microscopy Electrochemistry 48 infrared spectra 48 Io volcanoes 48 Fornax cluster 48 interstellar dust particles 48 momenta 48 boron nitride 48 Cancri e 48 Toutatis 48 quasicrystals 48 biominerals 48 mineral apatite 48 massless particles 48 plutoid 48 lunar equator 48 hydrostatic equilibrium 48 metamorphic rock 48 ultraviolet wavelengths 48 blue supergiant 48 gelatinous mass 48 X ray spectrometer 48 supercooled liquid 48 ionise 48 Orionid 48 supernova remnants 48 graphene sheet 48 COFs 48 ferric oxides 48 magnetar 48 prominences 48 magnetic polarity 48 abundances 48 Martian landscape 48 silicate 48 kerogen 48 habitable planet 48 primordial 48 chemically reactive 48 Spitzer infrared spectrograph 48 trans Neptunian 48 X ray emission 48 ferruginous 48 agar agar 48 reionization 48 protostar 48 primordial soup 48 photosynthetic microbes 48 wavefunction 48 fossilized dinosaur dung 48 Io Europa Ganymede 48 spherical shapes 48 RRATs 48 filamentary 48 Helmi stream 48 lithosphere 48 meteoroid 48 exo planet 48 halite 48 anorthosite 48 Asteroid Belt 48 Snowball Earth 48 Bosons 48 amphibolites 48 supernovae explosions 48 chitons 48 Saturn outermost ring 48 phytoliths 48 active galactic nucleus 48 Hale Bopp 48 pre biotic 48 concentric layers 48 metallic alloys 48 isopods 48 Beta Pictoris b 48 Sedna 48 Jupiter moon Io 48 antiferromagnets 48 Saturn Uranus 48 geostationary orbits 48 Caloris 48 blobs 48 comets moons 48 jellylike 48 mesosphere 48 Cepheid variables 48 ionized molecules 48 circumstellar dust 48 tiny specks 48 Delta Cephei 48 dwarf galaxy 48 pnictides 48 magnons 48 gaseous 48 matter antimatter asymmetry 48 hydrocarbon haze 48 ionized oxygen 48 mu Arae 48 micrometre sized 48 cadmium selenide 48 martian atmosphere 48 calcite 48 fairy chimneys 48 large oceanic plateaus 48 muons 48 constellation Aquila 48 brown dwarf 48 infrared telescopes 48 type Ia supernova 48 metamaterial structures 48 German astronomer Johannes 48 bedrock outcropping 48 Saturn moon 48 herbivorous dinosaurs 48 organic compounds 48 photochemical reactions 48 Martian rovers 48 antimatter particles 48 spatially resolved 48 Mars Squyres 48 Orionids 48 Saturn moons Enceladus 48 reddish orange hue 48 crystals 48 emits X rays 48 cosmic microwave background 48 microscopic crystals 48 HiRISE image 48 synchrotron x ray 48 interferometers 48 Corot 9b 48 Palaeozoic sedimentary 48 nebula 48 concretion 48 Kepler #b 48 sodium salts 48 planet magnetosphere 48 helical structures 48 Higgs boson particle 48 interstellar boundary 48 optical lattice 48 naturally occurring mineral 48 cumulus cloud 48 Spitzer Space Telescope 48 covalent bonds 48 hummocks 48 Jovian moon 48 vortexes 48 shadow biosphere 48 superfluid 48 zircons 48 tetrahedral 48 micrometeoroids 48 Beta Pictoris 48 Nectocaris 48 conodonts 48 galaxy formation 48 captured interstellar dust 48 nebulosity 48 WIMPs 48 Hubble Constant 48 Cosmologists 48 axion 48 orbital eccentricity 48 cosmic cannibal 48 asterism 48 Mandushev 48 spacetime 48 Noachian 48 Hydrogen atoms 48 Jovian planets 48 iron pnictides 48 gravitational tides 48 distant galaxies 48 foraminifera 48 transiting planet 48 colliders 48 electron muon 48 Mercury Uranus 48 multicellular animals 48 Proxima Centauri 48 buckyballs 48 nanoscopic 48 WMAP satellite 47 antiprotons 47 observable universe 47 hydrogen isotopes 47 gold nanostars 47 antineutrinos 47 Type Ia 47 gray hematite mineral 47 Rossby waves 47 galactic clusters 47 solar neutrinos 47 lunar maria 47 ionized particles 47 Astrophysicists 47 morphological traits common 47 single celled algae 47 Mössbauer spectrometer 47 Alfvén waves 47 terraformed 47 microbialites 47 ULIRGs 47 GQ Lupi 47 polygonal shapes 47 Solar flares 47 hydrogen nuclei 47 Supernovae 47 positrons 47 cosmological parameters 47 gluon 47 quantum electrodynamics 47 Tycho supernova 47 isotope fractionation 47 God Particle 47 lithospheric 47 Konacki 47 meteorite fragments 47 Orion Nebula 47 interstellar particles 47 iron sulfide 47 carbides 47 Optical tweezers 47 magma chambers 47 gravitational redshift 47 asteroid belt 47 Reiner Gamma 47 topological insulators 47 Exoplanets 47 spiral galaxies 47 volcanoes spewing 47 alkali atoms 47 emission nebula 47 inner moons 47 NGC# 47 phlogiston 47 Itokawa