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(Click for frequent words.) 71 Earth 68 earth 64 planetary 63 galaxy 63 planets 62 habitable planet 62 universe 61 cosmos 60 Corot 7b 60 oceans 60 Gliese #c 60 Fashion Movie Reviews 59 earths 59 mankind 59 humankind 57 Earthlike planet 57 Earths 57 GJ#b 57 planetoid 56 biosphere 56 Upsilon Andromedae b 56 inhabitable planets 55 dustier stormier atmosphere 54 coldest driest 54 Red Planet 54 exo planet 54 Martian surface 54 gory spectacles 54 continent 54 Upsilon Andromedae 54 moons orbiting 54 habitable worlds 54 icy moons 53 Planet Earth 53 habitable planets 53 extrasolar 53 self proclaimed baddest 53 Kepler 9c 53 Kepler #b 53 Proxima Centauri 53 found circling Gliese 52 Gliese #G 52 planets orbiting stars 52 galactic 52 Fomalhaut b 52 Earthlike planets 52 extrasolar planet 52 Wolszczan 52 Milky Way Galaxy 52 CoRoT 9b 52 circumstellar disks 52 world 52 potentially habitable planets 52 comet 52 Mandushev 52 Solar System 51 IBM logo ibm.com 51 smallest exoplanet 51 comets orbiting 51 planet HD #b 51 Earthlike 51 Jovian moon 51 asteroids 51 planet Uranus 51 Klaatu Keanu Reeves 51 extrasolar planets 51 gaseous planet 51 Uranus 51 planets circling stars 51 planetwide 51 earthling 51 Galilean moons 51 moon Enceladus 51 Eaarth 51 Goldilocks planet 51 Manned missions 51 planet orbiting 51 comets asteroids 51 asteroid collisions 51 asteroidal 50 exoplanets planets outside 50 innermost planet 50 Gliese #g 50 icy comets 50 martian 50 polar regions 50 Corot 9b 50 Comet Elenin 50 HD #b [001] 50 moon 50 WASP #b 50 Kuiper Belt object 50 HD#b 50 spacefaring civilization 50 exoplanet 50 outer planets 50 planet Gliese #g 50 observable universe 50 Milky Way galaxy 50 moons 50 asteroid 50 terraformed 50 cosmic 50 HIP #b 50 Pluto dwarf 50 Earthlings 50 BP Psc 50 Jovian moons 50 interstellar distances 50 Beta Pictoris 50 Gliese #d 50 sunlike stars 49 extrasolar planets orbiting 49 planet WASP #b 49 greatest insect emergences 49 blackholes 49 asteroids comets 49 exosphere 49 lifeforms 49 Venusian 49 Mars 49 Andromeda galaxy 49 habitable zones 49 meek inheriting 49 outer space 49 terraforming Mars 49 exoplanetary 49 lunar surface 49 planets orbiting 49 humanity 49 exoplanets 49 earthlings 49 planet Cybertron 49 moon Ganymede 49 Kuiper belt object 49 Mother Earth 49 globe 49 albedo reflectivity 49 oblate spheroid 49 exoplanets orbiting 49 interstellar cloud 48 Universe 48 moon Titan 48 Martian 48 zodiac constellations 48 martian surface 48 cometary debris 48 polar caps 48 magnetic substorms 48 moons Phobos 48 elongated orbits 48 exosolar planets 48 planets orbits 48 Earth biosphere 48 Saturnian moon 48 supernova explosion 48 Kuiper Belt Object 48 GJ #b [001] 48 exoplanets planets 48 Zeta Ophiuchi 48 intergalactic 48 Earthâ € ™ 48 distant galaxy 48 magnetar 48 galaxy M# [001] 48 Earths orbiting 48 radioactive nuclei 48 earthlike 48 Kuiper Belt Objects 48 Enceladus 48 CoRoT #b 48 terrestrial planets 48 beings 48 COROT 7b 48 coral reef biodiversity 47 TrES 4 47 cosmic cannibal 47 Titan Saturn 47 protoplanet 47 rocky planets 47 Andromeda Galaxy 47 Saturn Cassini 47 moons circling 47 planetoids 47 extrasolar worlds 47 planets moons 47 cometary impacts 47 sunlike star 47 're wearing stylie 47 HL Tau 47 jovian 47 celestial sphere 47 stellar nurseries 47 supervolcanoes 47 Oort Cloud 47 humanoid aliens 47 mass extinction 47 interstellar 47 planet orbits 47 homeworld 47 exoplanet orbiting 47 Ian McShane Pillars 47 Nibiru 47 planets orbiting sun 47 earthlike planets 47 planets orbiting distant 47 Saturn moons 47 ozone layer 47 orbiting 47 WebSphere SmartSOA Smarter Planet 47 subsurface ocean 47 single celled microorganisms 47 Orion nebula 47 asteroid impacts 47 ultraviolet wavelengths 47 gravitational tides 47 extraterrestrial civilization 47 CoRoT 7b 47 planet Nibiru 47 moon Europa 47 HD #b [002] 47 driest continents 47 Venusian atmosphere 47 martian atmosphere 47 asteroid belt 47 supernovas 47 celestial object 46 Cancri e 46 galaxies 46 trans Neptunian 46 Rubi Ka 46 mu Arae 46 millisecond pulsar 46 ringed planet 46 Mars northern latitudes 46 permanently shadowed craters 46 outermost planet 46 interstellar space 46 assumed planets circling 46 gaseous envelope 46 terra forming 46 protoplanets 46 interplanetary 46 Solartopia 46 limbo Len Gengel 46 icecaps 46 Epsilon Eridani 46 polar icecaps 46 Super Earths 46 planet HD#b 46 COROT exo 3b 46 equator 46 distant suns 46 Kuiper belt 46 sized planets orbiting 46 ecological footprints 46 supernova 46 Hellas Basin 46 moon Io 46 protoplanetary disks 46 cow farts 46 Martian dust 46 alien overlords 46 Hot Jupiters 46 interstellar dust grains 46 eccentric orbits 46 Magnetars 46 BLG #L 46 mammal extinctions 46 comet nucleus 46 moon gravitational pull 46 Extrasolar planets 46 VB #b 46 comets 46 protoplanetary disk 46 supergiant star 46 distant galaxies 46 meteor impacts 46 celestial bodies 46 Galilean satellites 46 potentially habitable 46 civilization 46 Milky Way 46 inner asteroid belt 46 heliosphere 46 periodic dimming 46 supernovae explosions 45 Martians invading 45 extraterrestrial 45 constellation Pegasus 45 Earth magnetosphere 45 Jupiter icy moons 45 lifeform 45 extrasolar planet HD #b 45 brightest supernova 45 Exoplanet 45 twin suns 45 planetary orbits 45 planemos 45 moon Charon 45 retrograde orbit 45 Saturn moon 45 icy moon Enceladus 45 cosmic phenomena 45 constellation Hercules 45 Martian landscape 45 stunningly beautiful landscapes 45 alien beings 45 moon Phobos 45 dwarf planets exist 45 Comet Machholz 45 melting icebergs 45 driest continent 45 dangerously overheat 45 Tharsis Rise 45 lunar craters 45 Rubi ka 45 inhospitable environments 45 Antennae Galaxies 45 robotic explorer 45 BP Piscium 45 unmanned probes 45 finiteness 45 galactic cores 45 biodiverse regions 45 solar corona 45 tidal bulge 45 Wolf Rayet star 45 Wiccans worship 45 Oort cloud 45 sentient inhabitants 45 equatorial bulge 45 robotic Cylons 45 Sasselov 45 Owen Gingerich 45 Extrasolar 45 Cosmic Microwave Background 45 planetary nebulae 45 constellation Vulpecula 45 Svedhem 45 Alpha Centauri 45 Saturnian moon Titan 45 Disneyland Happiest Place 45 Ulysses spacecraft 45 Starz Pillars 45 intergalactic spaceship 45 planet Krypton 45 mankinds 45 Crab Nebula 45 protoplanetary discs 45 airglow 45 Thundera 45 Neptune Uranus 45 Epsilon Aurigae 45 Fomalhaut 45 cosmic collisions 45 Tyurin novice 45 planet Gliese #c 45 planets atmospheres 45 radial velocity technique 45 planet magnetosphere 45 auroral displays 45 Uranus Jupiter 45 Jupiter moons 45 Terrians 45 polar oceans 45 spherical halo 45 V# Sgr 45 HD# [002] 45 dusty disks 44 GJ #b [002] 44 Betelgeuse 44 extraterrestrial beings 44 celled organisms 44 planetary transits 44 super Earths 44 Toutatis 44 astrophysical 44 luminous galaxies 44 Pluto Charon 44 David Southwood ESA 44 transiting exoplanet 44 Sedna 44 Carina constellation 44 Kuiper belt objects 44 planets orbiting suns 44 solar nebula 44 Gliese #e 44 abiogenesis 44 moonbase 44 HM Cancri 44 Hadean Eon 44 Saturnian system 44 comet Hale Bopp 44 Martian atmosphere 44 axial tilt 44 planet gravitational tug 44 Kuiper Belt objects 44 cosmological distances 44 Plate tectonics 44 magnetic polarity 44 Earth ozone layer 44 Konacki 44 Bernhard Fleck 44 XO 3b 44 planet habitability 44 satellites orbiting Earth 44 magma ocean 44 zodiacal dust 44 planetesimals 44 galactic alignment 44 star Gliese 44 equatorial regions 44 cow flatulence 44 tidally locked 44 Rosette Nebula 44 Pluto Eris 44 antarctic 44 spinning pulsar 44 P/# A2 44 Solar flares 44 orb 44 Saturn auroras 44 Kuiper Belt 44 Neutron stars 44 TW Hydrae 44 VY Canis Majoris 44 gravitational pulls 44 galactic disk 44 driest deserts 44 Saturn Enceladus 44 humanlike creatures 44 Vourlidas 44 ocean ecosystems 44 energetic cosmic rays 44 globular cluster M# 44 sentient 44 Jupiter moon Io 44 exo planets 44 Martian moons Phobos 44 solar flares 44 gravitational keyhole 44 galactic cosmic rays 44 dwarf planet 44 Churyumov Gerasimenko 44 Goldilocks zone 44 demoted Pluto 44 extragalactic 44 inter galactic 44 Jellyfish swarm northward 44 rocky extrasolar planet 44 Bug Nebula 44 Gravitational waves 44 global warming 44 AU Mic 44 astrobiological 44 Tunguska meteorite 44 planets astronomers 44 quark gluon 44 hot Jupiters 44 Omega Centauri 44 circumpolar 44 neutron star 43 Antarctica 43 gamma ray burst 43 brown dwarfs 43 outerspace 43 biologically diverse ecosystems 43 photosphere 43 Fermi telescope 43 prehistoric ancestors 43 Arches Cluster 43 Saturnian 43 super perigee moon 43 Orion Nebula 43 proplyds 43 SIOUX CENTER Iowa KTIV 43 KBOs 43 gravitational tugs 43 polar craters 43 distant supernovae 43 ecosphere 43 journal Meteoritics 43 Astronaut Randolph Bresnik 43 Martian microbes 43 faraway galaxy 43 Pluto 43 neutrino particles 43 Polar explorers 43 orbits 43 planetary warming 43 galaxy cluster 43 Apophis asteroid 43 neighboring Andromeda galaxy 43 moon Mab 43 Caloris Basin 43 Saturn magnetosphere 43 protoplanetary 43 unobtainium 43 polar icecap 43 transhuman 43 Fermi paradox 43 accretion disk 43 Red Rectangle 43 multiverse 43 constellation Virgo 43 permafrost thaws 43 driest inhabited continent 43 Della Moen 43 largest moon Charon 43 brightest meteors 43 NASA rovers Spirit 43 Mojzsis 43 sentient robots 43 Saharan Desert 43 IRC +# 43 fearsome Tyrannosaurus rex 43 orbiting Hubble Space Telescope 43 alien civilizations 43 magnetic dynamo 43 plutoid 43 aphelion 43 twin Voyager spacecraft 43 supermassive 43 infall 43 sub glacial lakes 43 orbited Jupiter 43 volcanic vents 43 lunar perigee 43 novas 43 plutoids 43 magnetars 43 Alaskan tundra 43 neutralinos 43 Gaia Hypothesis 43 gaseous planets 43 hunting Kepler telescope 43 Gamma ray burst 43 Jupiter Saturn 43 extrasolar planetary systems 43 thermonuclear reactions 43 constellation Cygnus 43 X ray binary 43 Exoplanets 43 Iapetus Saturn 43 hydrostatic equilibrium 43 atmospheric methane 43 frozen wasteland 43 impactors 43 GQ Lupi 43 waning crescent Moon 43 geological epoch 43 James Lovelock 43 asteroid collides 43 planetary nebula 43 geostationary orbits 43 planetary embryos 43 atmospheric CO2 levels 43 gamma ray observatory 43 sunward 43 synchronous orbit 43 planets comets 43 RQ# 43 ammonia hydrates 43 Planet Zog 43 Olympus Mons 43 creatures 43 ocean 43 cryosphere 43 celestial phenomena 43 SN #gy 43 BLG #Lb 43 AB Aurigae 43 interstellar dust clouds 43 Heliospheric Observatory SOHO 43 martians 43 Videsh Heaven 43 climate forcings 43 sunspot cluster 43 constellation Aquarius 43 planets Uranus 43 highly elliptical orbit 43 NASA orbiters circling 43 constellation Cassiopeia 43 Beta Pictoris b 43 Samuel Oschin Telescope 43 robotic rovers 43 moon Mimas 43 coldest windiest 43 human beings 43 tropical latitudes 43 biospheric 43 coronal loops 43 Carnegie Institution planetary geologist 43 Hubble telescope 42 polar ice 42 NASA satellites orbiting 42 microbial ecosystems 42 Martian rovers 42 Polar Regions 42 Uranian 42 asteroids orbiting 42 heliocentric model 42 constellation Ophiuchus 42 exoplanetary systems 42 fearsome creatures 42 Norrin Radd 42 twin rovers 42 Saturn moon Enceladus 42 albino dinosaur 42 carbonaceous chondrite 42 Gamma rays 42 cosmic magnifying glass 42 Saturn moon Mimas 42 brown dwarf 42 Earth asteroids 42 Wolf Rayet stars 42 colonize Mars 42 active galactic nuclei 42 constellation Carina 42 earthâ € ™ 42 homo sapiens 42 Tarantula Nebula 42 endangered rainforests 42 Twelve Colonies 42 Seth Shostak 42 Supernova #A 42 Saturn rings 42 discover Fomalhaut 42 transiting planets 42 permanently shadowed 42 gamma ray bursts 42 QQ# 42 alien 42 Malthusians 42 KT extinction 42 astrobiologists 42 gravitationally bound 42 supernova explosions 42 acidifying oceans 42 planetary surfaces 42 stratospheric ozone 42 Planeteers 42 Earth axial tilt 42 galaxy M# [002] 42 elongated orbit 42 smallest extrasolar planet 42 posthuman 42 Comet Hartley 2 42 mutantkind 42 gravitational microlensing 42 aurorae 42 gravitational perturbations 42 terraform 42 globular cluster 42 hydrologic cycle 42 star Proxima Centauri 42 constellation Centaurus 42 Saturn outermost 42 Eta Carinae 42 Fermi Paradox 42 shadowy craters 42 backboned animals 42 chromosphere 42 planets constellations 42 constellation Andromeda 42 Perseus Cluster 42 Stephan Quintet 42 Earth orbit 42 interstellar clouds 42 demonic hordes 42 Mars rovers Spirit 42 interstellar medium 42 galactic empire 42 merging galaxies 42 planetary atmospheres 42 thermosphere 42 spacefaring 42 Chi Cygni 42 celestial 42 Plutoids 42 noctilucent clouds 42 Quaoar 42 Cosmic rays 42 binary asteroids 42 cosmic rays 42 warmest friendliest 42 blue supergiant 42 malefic 42 galaxies collide 42 interstellar boundary 42 Charon Pluto 42 nucleosynthesis 42 sextile 42 Venusians 42 Permian extinction 42 constellation Lyra 42 baryonic matter 42 aliens invading 42 galactically 42 tropical coral reefs 42 Hubble Telescope 42 supernovae 42 Evolution Explorer 42 asteroid Ceres 42 arctic tundra 42 trash compacting robot 42 Maunder minimum 42 starship 42 comet Lulin 42 Cancri 42 Exequiel Estay head 42 Neukum 42 Gamma ray bursts 42 meteorite bombardment 42 nebulae 42 Cabeus crater 42 Epimetheus 42 Large Magellanic Cloud 42 galaxy Andromeda 42 outermost planets 42 tow dollies 42 superhuman beings 42 SN #A 42 constellation Cetus 42 SIRTF 42 protective ozone layer 42 Uranus Neptune 42 dimming starlight 42 pulsars 42 red supergiant 42 constellation Pisces 42 Orion constellation 42 nebula 42 Earthly 41 argon atoms 41 volcanic moon Io 41 heliopause 41 manmade global warming 41 hemisphere 41 Voyager probes 41 hypervelocity stars 41 circumstellar 41 Follett Pillars 41 biosignatures 41 Earth Overshoot Day 41 immortal beings 41 highly elliptical orbits 41 universes 41 Herschel Space 41 Eagle Nebula 41 extraterrestrial civilizations 41 proto planetary disks 41 cruelest regimes 41 orbiting observatory 41 moon Deimos 41 brutal tyrannies 41 Galactic cosmic rays 41 lunar crust 41 colliding galaxies 41 interstellar particles 41 heavily cratered 41 Asteroid Belt 41 extraterrestial 41 Opportunity rover 41 Asteroid Apophis 41 Vakoch 41 robotic probes 41 Voyager spacecraft flew 41 Kepler 9b 41 Felucia 41 Filgaia 41 moon Dione 41 invading aliens 41 solar radii 41 planetary Transits 41 transiting planet 41 Daevi 41 cometary material 41 pulsar 41 greenhouse gas concentrations 41 sentient beings 41 blue cloud specked 41 martian rocks 41 planetary alignments 41 globulars 41 suns 41 Ultraviolet radiation 41 blue straggler 41 oceanic ecosystems 41 hypervelocity star 41 supersymmetric particles 41 binary asteroid 41 mightiest heroes 41 constellation Scorpius 41 radial velocity method 41 biodiverse ecosystems 41 Hubble Space telescope 41 spacecraft 41 volcanoes erupting 41 lensing galaxy 41 extraterrestrial UFOs 41 ecliptic plane 41 Lagoon Nebula 41 Mars moon Phobos 41 ecosystems 41 retrograde orbits 41 Triangulum 41 Pluto demotion 41 equatorial belt 41 intelligent beings 41 adaptive hoofstock 41 Eyjafjoell eruption 41 Einstein relativity theory 41 demote Pluto 41 dwarf galaxy 41 comet hurtling 41 Valles Marineris canyon 41 polar 41 anthropogenic global warming 41 X ray wavelengths 41 chemically reactive salt 41 Xavier Bonfils 41 Nightopia 41 accretion disks 41 sentient creature 41 Kharecha 41 Aeneas Wanner Swiss 41 prebiotic molecules 41 pericentre 41 interplanetary spacecraft 41 Antartica 41 OGLE TR #b 41 Slartibartfast 41 Planet 41 Planetary nebulae 41 Saturn moon Iapetus 41 elliptical orbits 41 southern supercontinent 41 magnetic monopoles 41 planets circling 41 Gaia Theory 41 heliocentric 41 constellation Libra 41 protostars 41 beachball sized 41 smoothest flattest 41 inner moons 41 Syrtis Major 41 Venus Climate Orbiter 41 spacecraft orbiting 41 Linda Spilker Cassini 41 Galileo spacecraft 41 meteoroids 41 bipeds 41 NGC #A 41 Mercury magnetosphere 41 Ganymede 41 interstellar dust 41 GZK cutoff 41 self replicating nanobots 41 superdense 41 smallest exoplanets 41 moonlets 41 strangelet 41 mass extinctions 41 global warming alarmists 41 interstellar dust samples 41 Ozone layer 41 interstellar grains 41 arctic plains 41 humans 41 oceans airways 41 moons Europa 41 orbital resonance 41 Amazon rainforest 41 nebula NGC 41 outermost reaches 41 dust mote 41 Kepler Space Telescope 41 rocky terrestrial planets 41 global warmists 41 tiny single celled 41 fainter objects 41 creatures inhabiting 41 Martian polar 41 demoting Pluto 41 supermassive black holes 41 Shackleton crater 41 icecap 41 Carl Gustaf Lundin 41 Herbig Ae Be 41 Nasdaq SPWRA SPWRB designs 41 constellation Canis Major 41 biospheres 41 Cosmonaut Yuri Gagarin 41 magnetosphere 41 cometary particles 41 NASA twin rovers 41 IRAS #-# 41 meteoroid impacts 41 Comet Churyumov Gerasimenko 41 trans Neptunian objects 41 Big Bang Illingworth 41 shepherded Tolkien Middle 41 Haumea 41 western hemisphere 41 polar vortex 41 northern arctic plains 41 About Sportsbook.com Sportsbook.com 41 superorganism 41 mysterious uncharted 40 Type Ia supernova 40 rotational axis 40 Global warming 40 Matt Golombek 40 Kelp forests 40 reef habitats 40 lunar maria 40 hydrosphere 40 Rossby waves 40 runaway greenhouse 40 Voyager spacecraft 40 mesosphere 40 Orbiting Carbon Observatory OCO 40 Titan smoggy 40 Extreme Ultraviolet Variability Experiment 40 marine ecosystems 40 CYBERTRON 40 constellation Orion 40 CoRoT 40 Mars Squyres 40 tropics 40 axions 40 antimatter particles 40 cometary dust 40 moonlet 40 proto planetary disk 40 stellar occultations 40 spacetime 40 harmful ultraviolet radiation 40 Pegasi b 40 Neptunian 40 Sagittarius dwarf galaxy 40 planet Earths 40 SuperMoon 40 outermost ring 40 astronomical objects 40 frigid arctic plains 40 Gemini constellation 40 Solar TErrestrial RElations Observatory 40 Arctic ice floes 40 Madhulika Guhathakurta 40 Ozone depletion 40 distant supernovas 40 chondrites 40 aliens 40 Comet Lulin 40 permanently shadowed regions 40 protoplasm 40 anthropogenic climate 40 Sagittarius B2 40 Kashyyyk 40 robot rovers 40 methane burps 40 spinning neutron 40 SN #D 40 Plutonian 40 spacecrafts 40 Cat Paw Nebula 40 orbits Saturn 40 civilizations 40 underwater volcanos 40 mega vertebrate 40 Gusev crater 40 AllSpark 40 Trojan asteroids 40 scarps indicating 40 crystalline silicates 40 gray goo 40 Saturnian moons 40 perihelion 40 Gungans 40 sunspot 40 chemtrails 40 Martian equator 40 William Borucki Kepler 40 gravitational attraction 40 sentient intelligent 40 barrier reef 40 Milankovitch cycles 40 Spitzer Space Telescope 40 Apokolips 40 GA6 40 Chicxulub 40 Stratospheric ozone 40 penumbral shadow 40 gravitational interaction 40 Tormentor Mike