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(Click for frequent words.) 69 moon Io 69 extrasolar 67 exoplanetary 67 Upsilon Andromedae 67 icy moons 66 Syrtis Major 66 moon Enceladus 66 Jovian moon 66 Saturn Enceladus 65 Arsia Mons 65 nebular 65 moon Mimas 65 subsurface ocean 65 Corot 7b 65 Galilean satellites 65 Valles Marineris 65 Red Rectangle 65 WASP #b 65 cryovolcanism 65 Ontario Lacus 65 Saturn magnetosphere 64 RS Ophiuchi 64 sized planets orbiting 64 Tharsis Rise 64 volcanically active 64 exoplanets orbiting 64 Pavonis Mons 64 X ray emitting 64 Fomalhaut b 64 GJ #b [001] 64 Epsilon Aurigae 64 Venusian atmosphere 64 blue supergiant 64 jovian 63 astrophysical objects 63 MG J# +# 63 lunar crust 63 carbonaceous chondrites 63 photosphere 63 SN #gy 63 lensing galaxy 63 exo planets 63 basaltic lava 63 hydrosphere 63 airglow 63 protoplanet 63 Bug Nebula 63 AB Aurigae 63 Cancri e 63 smallest exoplanet 63 Hanny Voorwerp 63 CoRoT 9b 63 Coma Cluster 63 barred spiral galaxy 63 Gravitational waves 63 galaxy NGC 63 CoRoT satellite 62 GJ #b [002] 62 circumstellar disks 62 basaltic rocks 62 V# Mon 62 active galactic nucleus 62 moons orbiting 62 fissure eruption 62 Kuiper belt objects 62 stellar occultation 62 supervolcanoes 62 inhabitable planets 62 comet McNaught 62 HD#b 62 Orion nebula 62 constellation Carina 62 Upsilon Andromedae b 62 Pluto Charon 62 interstellar cloud 62 Omega Centauri 62 Olympus Mons 62 planet HD #b 62 gaseous planet 62 CoRoT 7b 62 intrinsic brightness 62 circumstellar 62 Saturn moons 62 undersea volcanoes 62 solar corona 62 GJ#b 62 circumstellar disk 62 Shiveluch 62 olivine mineral 62 Fermi telescope 62 underwater volcanoes 62 Orcus Patera 62 Gliese #c 61 Type Ia supernova 61 COROT 7b 61 Candor Chasma 61 interstellar clouds 61 emits X rays 61 innermost planet 61 Earthlike planet 61 Stephan Quintet 61 cinder cones 61 Kuiper Belt Objects 61 active volcanism 61 supernova SN 61 Earth magnetotail 61 polar stratospheric 61 aurorae 61 galactic clusters 61 galactic mergers 61 planets comets 61 Arches Cluster 61 mesosphere 61 Neptune Uranus 61 P/# A2 61 proplyds 61 VY Canis Majoris 61 Galilean moons 61 reflection nebula 61 Halemaumau 61 Sagittarius B2 61 X ray wavelengths 61 weakly interacting 61 carbonate minerals 61 merging galaxies 61 Saturn moon Enceladus 61 PSR B# +# 61 polar vortex 61 Comet Holmes 61 protoplanetary 61 Epsilon Eridani 61 evaporite deposits 61 Jonathan Lunine 61 solar prominences 61 Oort cloud 61 filamentary structure 61 Perseus Cluster 61 Mercury magnetosphere 60 elongated orbits 60 exosphere 60 zodiacal dust 60 accretion disks 60 Saturnian moon 60 gravitational interaction 60 tholins 60 Samuel Oschin Telescope 60 X ray emission 60 SN #A 60 TrES 4 60 silicon monoxide 60 Jupiter moons 60 masers 60 cosmic cannibal 60 Descent Imager Spectral Radiometer 60 SN #C 60 Comet Halley 60 radioactive nuclei 60 Supernova #A 60 noctilucent clouds 60 magnetic reconnection 60 explosive eruptions 60 Comet Hartley 60 RRATs 60 subglacial 60 Wolf Rayet stars 60 HD #b [002] 60 Yellowstone supervolcano 60 moons Phobos 60 type Ia supernovae 60 X ray telescopes 60 Earthlike planets 60 asteroidal 60 spectral fingerprint 60 CMB radiation 60 comet nuclei 60 Kuiper belt 60 planetary nebula 60 planetary Transits 60 Corot 9b 60 hydrothermal fluid 60 Earthlike 60 coronal loops 60 lunar perigee 59 volcanism 59 infall 59 volcanic moon Io 59 Solar TErrestrial RElations Observatory 59 Crab Nebula 59 ionized hydrogen 59 stellar occultations 59 planet Uranus 59 SNR #-#.# 59 Europa Ganymede 59 chromosphere 59 SN #D 59 distant supernovae 59 magnetic monopoles 59 hydrothermal vent 59 Charon Pluto 59 polar mesospheric clouds 59 AGNs 59 supernova explosion 59 geologically active 59 planet Gliese #g 59 constellation Eridanus 59 axions 59 constellation Aquarius 59 supergiant star 59 molten magma 59 Saturnian moons 59 sunlike stars 59 Comet Encke 59 flood basalts 59 extrasolar planet 59 Grímsvötn volcano 59 planetary nebulae 59 red supergiant 59 carbonaceous chondrite 59 planetary surfaces 59 Sarychev Peak 59 tectonic faults 59 Explosive eruptions 59 radial velocity technique 59 GRB #B 59 ultraviolet wavelengths 59 carbonyl sulfide 59 moonquakes 59 Type Ia supernovas 59 Virgo Cluster 59 cosmological distances 59 Puu Oo 59 post perovskite 59 Reiner Gamma 59 Yellowstone caldera 59 Nili Fossae 59 retrograde orbit 59 lunar craters 59 Submillimeter Array 59 planets Uranus 59 meteoritic material 59 geoneutrinos 59 magnetar 59 Siberian Traps 59 cometary debris 59 eruptive activity 59 rocky planets 59 Kuiper Belt object 59 reionization 59 lava spewing 59 emission nebula 59 ray Space Telescope 59 Trifid Nebula 59 mineral olivine 59 Saturnian moon Titan 59 GALEX 59 planets orbiting distant 59 BLG #Lb 59 CoRoT #b 59 fainter objects 59 Keck Interferometer 59 extrasolar planetary systems 59 phyllosilicates 59 Saturnian system 59 Viking Lander 59 Io Europa 59 Gravitational lensing 59 starburst galaxy 59 Mount Bosavi 59 stratovolcano 59 spectral fingerprints 59 volcanic vents 59 Enceladus 59 galaxy M# [001] 58 Klekociuk 58 AU Mic 58 ESO PR 58 gamma ray observatory 58 Hellas Basin 58 planet magnetosphere 58 Comet Hale Bopp 58 VB #b 58 sulfur isotope 58 Galileo spacecraft 58 OGLE TR #b 58 brightest supernova 58 Kermadec Arc 58 wrinkle ridges 58 Galaxy Evolution 58 Wolf Rayet star 58 supergiant stars 58 van Arkel discovery 58 hydrothermally 58 sunspot cluster 58 Comet Hartley 2 58 X ray pulses 58 occultations 58 Aqua satellite 58 hydrated minerals 58 Earth ionosphere 58 HiRISE image 58 Titan Saturn 58 substorm 58 magnetotail 58 gamma rays emitted 58 galaxy cluster 58 coronal mass ejections CMEs 58 mineralogical composition 58 lava tubes 58 Geminga 58 spiral galaxy NGC 58 Cosmic Microwave Background 58 Beta Pictoris 58 Henize #-# 58 mantle convection 58 millisecond pulsar 58 infalling 58 lobate scarps 58 Ring Nebula 58 PSR J# 58 cosmic collisions 58 Cassini flyby 58 layered sedimentary rock 58 constellation Cetus 58 protoplanetary disk 58 sun corona 58 G#.# +#.# 58 absorbs photons 58 transiting planet 58 Cat Paw Nebula 58 smallest exoplanets 58 pyroclastic flow 58 comets orbiting 58 smallest extrasolar planet 58 spatially resolved 58 novas 58 prominences 58 Lake Vui 58 Martian meteorites 58 astrophysical phenomena 58 Anthony Remijan 58 Bonnie Buratti 58 distant galaxy clusters 58 auroral displays 58 ringed planet 58 lowermost mantle 58 submillimeter 58 HIP #b 58 Fornax cluster 58 hypervelocity star 58 Mandushev 58 galaxy M# [002] 58 lunar equator 58 eclipsing binary 58 moons Io 58 ionized particles 58 supervolcano 58 spherical halo 58 type Ia supernova 58 gaseous planets 58 KBOs 58 planets orbits 58 Arabia Terra 58 Beta Pictoris b 58 Infrared Thermal Imaging Spectrometer 58 sunlike star 58 chlorine monoxide 58 HiRISE camera aboard 58 Voorwerp 58 HL Tau 58 solar nebula 58 Quaoar 58 binary quasar 58 Orion constellation 58 planetary transits 58 magnetospheric 58 sedimentary deposits 58 Saturn moon Mimas 58 exo planet 57 WMAP satellite 57 Gakkel Ridge 57 outer corona 57 Ithaca Chasma 57 gravitational radiation 57 galactic disk 57 crystalline silicates 57 ejecta blanket 57 magma chambers 57 isotopic ratios 57 moons circling 57 Keck Telescope 57 lava flowing 57 extrasolar planets orbiting 57 Antarctic Dry Valleys 57 intracluster 57 silicates 57 transiting exoplanet 57 Quadrantids 57 Eagle Nebula 57 magmas 57 atop Mauna Kea 57 Palaeozoic sedimentary 57 nebulae 57 comets asteroids 57 icy comets 57 magma ocean 57 ultracold atoms 57 Shatsky Rise 57 planet orbiting 57 silicate dust 57 constellation Centaurus 57 gamma ray emission 57 protostar 57 lava fountains 57 exosolar planets 57 moon Titan 57 volcanoes 57 sodium atoms 57 RHESSI 57 interacting galaxies 57 HM Cancri 57 comet Hale Bopp 57 trans Neptunian objects 57 planetary nebulas 57 Martian dust 57 orbital resonance 57 starquakes 57 Comet 9P/Tempel 1 57 planemos 57 Rosette Nebula 57 Saturn rings 57 calderas 57 Veil Nebula 57 mud volcanoes 57 Soufriere Hills Volcano 57 Titan smoggy 57 galactic cores 57 energetic electrons 57 Gamma ray bursts 57 gravitational microlensing 57 ejecta 57 isostatic rebound 57 ionised gas 57 HiRISE camera 57 extinct volcanoes 57 Geminid shower 57 Michael Studinger 57 McMurdo Dry Valleys 57 melt inclusions 57 radial velocity method 57 stony meteorites 57 Evolution Explorer 57 midlatitudes 57 Higgs bosons 57 Cepheid variables 57 permanently shadowed craters 57 spiral nebulae 57 albedo reflectivity 57 magnetic substorms 57 interstellar medium 57 Terra Sirenum 57 hydroxyl molecules 57 star Beta Pictoris 57 planet WASP #b 57 lunar magma 57 Kepler #b 57 Aram Chaos 57 lunar meteorites 57 coronal holes 57 Oort Cloud 57 aerosol particles 57 Yellowstone Caldera 57 ionise 57 Gamma ray burst 57 gravitational lens 57 transiting planets 57 BP Psc 57 dynamical processes 57 Toba eruption 57 magma boiling 57 supersymmetric particles 57 Eta Carinae 57 Kraken Mare 57 elliptical galaxy 57 constellation Scorpius 57 extrasolar planet HD #b 57 lunar highlands 57 planets circling stars 57 seafloor sediments 57 mantle plumes 57 Neutron stars 57 Chilean Atacama Desert 57 Lunine 57 Scientists Iceland Grimsvotn 57 galactic cosmic rays 57 ammonia hydrate 57 Saturn moons Enceladus 57 komatiites 57 Lagoon Nebula 57 cluster NGC 57 Type 1a supernovae 57 Antennae Galaxies 57 Saturn outermost ring 57 Jenniskens 57 Trapezium 57 lava flowed 57 pyroxene 57 ultracold 57 comet Lulin 57 SOHO spacecraft 57 magma mixing 57 planetary magnetospheres 57 pyroclastic 57 Cherenkov radiation 57 pyroclastic surges 57 NGC #A 56 Heliospheric Observatory SOHO 56 spectroscopically 56 explosive volcanism 56 Lengai 56 imaging spectrometer 56 smoker vents 56 Kilauea Volcano 56 Fimmvorduhals 56 binary asteroid 56 Brigham Grette 56 Magellanic Stream 56 Bok globules 56 zodiacal light 56 moonlet 56 exoplanets planets 56 Cancri 56 ionizes 56 magnetic monopole 56 Saturn moon 56 comet nucleus 56 hematite mineral 56 meteoroid 56 spaceweather.com 56 heavily cratered 56 RXTE 56 Hot Jupiters 56 distant quasars 56 ultraviolet radiation emitted 56 olivines 56 NEAs 56 Pan STARRS PS1 telescope 56 diffuse aurora 56 Phoebe orbits 56 spectroscopic analysis 56 Crab Pulsar 56 astronomical objects 56 erupt explosively 56 globulars 56 Kilauea summit 56 Trifid 56 Helix Nebula 56 atmospheric aerosols 56 Virgo cluster 56 constellation Virgo 56 geodynamic 56 IRC +# 56 celestial sphere 56 moon Ganymede 56 cosmic ray intensity 56 electron neutrinos 56 Gliese #e 56 Caloris 56 Mud volcanoes 56 Magellanic Clouds 56 orbited Jupiter 56 tropopause 56 neutrino detectors 56 neutral mass spectrometer 56 ionized gas 56 Cassini flybys 56 luminous galaxies 56 Mariana Arc 56 Mojzsis 56 runaway thermonuclear 56 prebiotic molecules 56 microlensing events 56 Cometary 56 sterile neutrino 56 Delta Cephei 56 interstellar dust grains 56 chondrites 56 proto galaxies 56 J# +# [002] 56 Trojan asteroids 56 distant galaxy 56 primitive meteorites 56 Earth magnetosphere 56 interstellar boundary 56 El Chichon 56 blazars 56 YORP effect 56 Type 1a supernova 56 blazar 56 baryonic 56 Bullet Cluster 56 ignimbrite 56 lithosphere 56 Alfven waves 56 Pu'u O'o 56 KH #D 56 volcanic plumes 56 Galactic cosmic rays 56 dwarf galaxy 56 Kamoamoa eruption 56 superheavy elements 56 circumstellar dust 56 active volcanoes 56 constellation Cassiopeia 56 planets orbiting sun 56 X ray binaries 56 evaporite 56 Gliese #G 56 supernova remnant 56 Ohmoto 56 millimeter wavelengths 56 asteroids comets 56 erupting lava 56 Orionids 56 GQ Lupi 56 basalt volcanic 56 Thermal Emission Spectrometer 56 HiRISE images 56 spinels 56 volcanic caldera 56 terrestrial planets 56 Caloris Basin 56 Methone 56 HD# [002] 56 ionised 56 cometary dust 56 Triangulum Galaxy 56 TGFs 56 Coma cluster 56 shadowed craters 56 Tarantula Nebula 56 Montserrat volcano 56 silicate mantle 56 Magnetars 56 hydrothermal activity 56 Asteroid Belt 56 SN #E 56 Pegasi 56 lavas 56 Saturnian 56 silicate crystals 56 afterglows 56 quasar 56 distant supernovas 56 polar latitudes 56 stellar nurseries 56 Himalayan river basins 56 sulfate aerosol 56 BP Piscium 56 coronal mass ejection 56 Convection Rotation 56 Muchachos Observatory 56 volcanically 56 rotational axis 56 X ray observatory 56 Jupiter icy moons 56 radar altimetry 56 sundog 56 fumaroles 56 Jupiter magnetosphere 56 volcanic lava flows 56 cosmic magnifying glass 56 extrasolar worlds 56 meteoroids 56 accretion disk 55 spacetime 55 Compact Reconnaissance Imaging Spectrometer 55 ESO Paranal Observatory 55 Jupiter Ganymede 55 nebulas 55 Mauna Kea Hawaii 55 atmospheric circulations 55 isotope fractionation 55 constellation Coma Berenices 55 Ed Laguerta 55 Exoplanet 55 Kuiper Belt objects 55 journal Icarus 55 constellation Pisces 55 planets orbiting 55 Sicily Mount Etna 55 V# Sgr 55 infrared telescopes 55 auroral 55 smoothest flattest 55 Bedout 55 Ultraviolet Imaging Spectrograph UVIS 55 starburst galaxies 55 cosmic phenomena 55 exoplanet orbiting 55 Saturn outermost 55 Manned missions 55 komatiitic 55 GRB# 55 submillimeter wavelengths 55 Planck satellite 55 rotating neutron stars 55 #gy 55 spinning neutron 55 weak gravitational lensing 55 exoplanetary systems 55 magnetospheres 55 Martian rovers 55 Martian craters 55 undersea volcanic 55 ESO VLT 55 volcanic magma 55 Bose Einstein condensates 55 Lava flows 55 HIRES spectrometer 55 protostars 55 periodic dimming 55 extrasolar planets 55 photochemical reactions 55 relativistic particles 55 meridional flow 55 Chile Chaiten volcano 55 abyssal plain 55 Charles Beichman 55 Wilkinson Microwave Probe 55 Maunder minimum 55 volcanoclastic rocks 55 biosignature 55 VIRTIS instrument 55 tectonically 55 Haumea 55 interstellar dust clouds 55 cosmic ray flux 55 kaons 55 southern supercontinent 55 mesospheric 55 jarosite 55 protons collide 55 graphite whiskers 55 coronal loop 55 distant quasar 55 TrES 55 extragalactic 55 hydrated silica 55 magnetic polarity 55 Konacki 55 Guatemala sinkhole 55 submarine volcanoes 55 chondrules 55 earthlike 55 nucleosynthesis 55 Pluto moon Charon 55 Nasa spacecraft 55 Raman spectra 55 subglacial lakes 55 Gamburtsev 55 constellation Andromeda 55 spews ash 55 habitable zones 55 radial velocity 55 collisional 55 Okmok Caldera 55 protoplanetary disks 55 Giovanni Cassini 55 chondritic meteorites 55 Super Earths 55 Ulysses spacecraft 55 Higgs singlet 55 Mount Tambora 55 unaided eye 55 Gaensler 55 inch Samuel Oschin 55 ostracods 55 Saturn aurora 55 Kilauea Iki 55 Plate tectonics 55 galaxy formation 55 dust enshrouded 55 ultraviolet imaging spectrograph 55 astronomical phenomena 55 submillimeter galaxies 55 extrasolar planetary 55 Rossby waves 55 assumed planets circling 55 hydrologist Carolyn Driedger 55 polarimetry 55 meteorite impacts 55 infrared spectrometers 55 Alycia Weinberger 55 protoplanets 55 supernova explosions 55 inner asteroid belt 55 magnetars 55 microbialites 55 Butterfly Nebula 55 zodiac constellations 55 matter antimatter asymmetry 55 Venusian surface 55 grabens 55 baryonic matter 55 Planetary Fourier Spectrometer PFS 55 Imke de 55 quantum tunneling 55 HD #b [001] 55 volcanic plume 55 comet tail 55 planets asteroids 55 Jupiter Uranus 55 Mount Katla 55 Milky Way halo 55 muon neutrino 55 magma 55 particle acceleration 55 NASA Wilkinson Microwave 55 constellation Lyra 55 rocky extrasolar planet 55 Mpc 55 superfluid 55 Valles Marineris canyon 55 Infrared Pathfinder Satellite 55 Lyrids 55 isotopic compositions 55 APXS 55 gravitational tides 55 planets moons 55 celestial object 55 Toutatis 55 moons Europa 55 planet Gliese #c 55 baryon 55 corona discharge 55 Saturn moon Iapetus 55 deep convective clouds 55 Comet Tempel Tuttle 55 harmonic tremors 55 steam eruptions 55 Veniaminof 55 magma molten rock 55 elliptical galaxy NGC 55 sulfate aerosols 55 Shinmoedake 55 faint smudge 55 Pleiades cluster 55 detritus perched 55 Saturn Uranus 55 called gravitational microlensing 55 Shackleton crater 55 Quadrantid meteor shower 55 strange quark 55 hypervelocity stars 55 Martians invading 55 Heasler 55 SN#A 54 glows brightly 54 planets orbiting stars 54 active galactic nuclei 54 X ray spectrometer 54 stromatolites 54 Planitia 54 SMBH 54 sulfate salts 54 lapilli 54 Saturn Cassini 54 orbiting gamma ray 54 lenticular clouds 54 geologist Jennifer Adleman 54 situ measurements 54 supersolid 54 silicate minerals 54 tropospheric 54 Keck telescopes 54 Gusev crater 54 hydrothermal venting 54 Large Magellanic Cloud 54 liquid ethane 54 neutralinos 54 submillimetre 54 moon Phobos 54 Planetary nebulae 54 STEREO spacecraft 54 NASA Cassini spacecraft 54 GRB # 54 SPICAM 54 eruptive phase 54 phyllosilicate 54 Grímsvötn 54 sediments deposited 54 celestial phenomena 54 extrusive 54 HII regions 54 Type Ia 54 icy moon Enceladus 54 Terra Meridiani 54 biogeochemical 54 habitable planets 54 inner Oort Cloud 54 lava 54 subatomic scale 54 Herbig Haro 54 HARPS instrument 54 coronal heating 54 Hydrogen sulphide 54 subseafloor 54 Eta Aquarid meteor shower 54 Halemaumau crater 54 moon Charon 54 yardangs 54 Goldilocks planet 54 tau neutrino 54 galaxy redshift 54 ESO telescope 54 ALH# 54 helium nuclei 54 moon Europa 54 Eyjafjallajokull Volcano 54 microlensing 54 Viking Orbiter 54 hydrocarbon reservoirs 54 spectral characteristics 54 Nyiragongo 54 intraplate 54 DISR 54 constellation Hercules 54 Lake Cheko 54 Churyumov Gerasimenko 54 Krimigis 54 Lake Vostok 54 planet orbits 54 superfluids 54 KT boundary 54 moon Mab 54 dimming starlight 54 GROND 54 neutrino mass 54 geothermal gradient 54 VIRTIS 54 volcanic 54 detect gamma rays 54 brittle deformation 54 meteor impacts 54 comet 54 orbiting Saturn 54 Kuiper belt object 54 faint galaxies 54 equatorial plains 54 emit X rays 54 Paleocene Eocene Thermal Maximum 54 volcanic craters 54 martian meteorites 54 Bose Einstein condensation 54 star Spica 54 Polycyclic aromatic hydrocarbons 54 microphysical 54 pentacene molecule 54 volcanic arcs 54 gamma ray flares 54 missing baryons 54 cosmic microwave radiation 54 Tempel Tuttle 54 Permian extinction 54 Particle acceleration 54 Optical Gravitational Lensing Experiment 54 thermal vents 54 volcanic ridges 54 trimers 54 Nyamulagira 54 earthshine 54 Eyjafjallajökull glacier 54 equatorial bulge 54 Type Ic supernova 54 Helix nebula 54 Interferometer VLTI 54 faraway planets 54 smoggy atmosphere 54 brown dwarf 54 RS Oph 54 spacecraft flyby 54 Cydonia region 54 occulted 54 constellation Sagittarius 54 Kepler 9c 54 explosivity 54 cometary material 54 protoplanetary discs 54 Uranian 54 Iceland volcano Eyjafjallajokull 54 ESA XMM Newton 54 Hawking radiation 54 electron neutrino 54 volcanic activity 54 Dust devils 54 boson 54 Imaging Spectroradiometer MODIS instrument 54 visible wavelengths 54 atmospheric oceanic