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(Click for frequent words.) 66 Earths orbiting 64 planets moons 62 exoplanets orbiting 61 planets orbiting distant 61 Bok globules 60 globulars 60 Neutron stars 59 Pieter van Dokkum 59 Magnetars 59 Gamma ray bursts 58 magnetars 58 planetary embryos 58 gravitationally bound 58 luminous galaxies 58 active galactic nuclei 58 nebulae 57 hot Jupiters 57 planetary nebulae 57 rocky planets 57 sunlike stars 57 Earthlike planets 57 cosmic neutrinos 57 planets orbiting sun 57 habitable planets 57 Type 1a supernova 57 stellar nurseries 56 elliptical galaxies 56 supermassive 56 planets circling 56 gravitational interactions 56 Hot Jupiters 56 orbiting planets 56 AGNs 56 red supergiants 56 globular clusters 56 planets orbits 56 galactic cores 56 Globular clusters 56 protostars 56 Henize #-# 55 gaseous planets 55 KBOs 55 neighboring Andromeda galaxy 55 extrasolar 55 supernovas 55 millisecond pulsars 55 protoplanetary discs 55 interstellar clouds 55 Extrasolar planets 55 Antennae Galaxies 55 galaxies collide 55 supernova explosions 55 BP Psc 55 protoplanetary disk 55 organic compounds resembling 54 asteroids comets 54 supernovae 54 Zeta Ophiuchi 54 extrasolar worlds 54 supergiants 54 Supermassive black 54 moons orbiting 54 quasars 54 icy moons 54 nucleosynthesis 54 gravitational microlensing 54 distant supernovae 54 starburst galaxies 54 eccentric orbits 54 dust enshrouded 54 circumstellar disks 54 permanently shadowed craters 54 SN #gy 54 dense clumps 54 galactic mergers 54 SN #A 53 Cat Paw Nebula 53 merging galaxies 53 hypernova 53 Type Ia supernovas 53 accreting 53 X ray binary 53 galactic collisions 53 colliding galaxies 53 WIMPs 53 supernovae explosions 53 HL Tau 53 neutron stars 53 interacting galaxies 53 meteor impacts 53 planemos 53 X ray binaries 53 Carina constellation 53 cosmological theories 53 transiting planets 53 sized planets orbiting 53 Epsilon Eridani 53 globular cluster 53 assumed planets circling 53 HM Cancri 53 supersymmetric particles 53 inhabitable planets 52 Type 1a supernovae 52 permanently shadowed 52 Herbig Ae Be 52 protoplanetary disks 52 planets orbiting stars 52 ultraluminous galaxy 52 type Ia supernovae 52 galaxies 52 extrasolar planets orbiting 52 dwarf spheroidal galaxies 52 aurorae 52 Upsilon Andromedae b 52 Coma Cluster 52 accretion disks 52 exoplanet orbiting 52 blackholes 52 GRBs 52 Cygnus Lyra region 52 brightnesses 52 observable universe 52 Verisk Analytics draws 52 habitable zones 52 brown dwarfs 52 earthlike planets 52 cosmic phenomena 52 dwarf galaxies 52 type Ia supernova 52 WASP #b 52 astrophysical phenomena 52 dirty snowballs 52 globular star 52 proto galaxies 52 Cepheid variables 52 planets orbiting 52 AU Mic 52 energetic gamma rays 52 TrES 4 52 gravitational lenses 52 galaxy formation 52 supernova explosion 52 Mandushev 52 lensing galaxy 52 infall 52 rotating neutron stars 52 antimatter particles 52 olivine mineral 52 retrograde orbits 52 planet HD #b 52 supernova remnants 52 comets asteroids 51 planets atmospheres 51 IntergalaticEarth 51 spherically symmetric 51 gravitational wobbles 51 faraway galaxies 51 spiral galaxies 51 R Coronae Borealis 51 electron neutrinos 51 planetesimals 51 neutralinos 51 interstellar grains 51 Higgs bosons 51 fainter objects 51 redshifts 51 dustier stormier atmosphere 51 Oort Cloud 51 BP Piscium 51 supernovae explode 51 neutron star 51 red supergiant 51 CoRoT #b 51 Meteor showers 51 interstellar cloud 51 proton antiproton collisions 51 Upsilon Andromedae 51 Andromeda galaxy 51 planets 51 Gravitational waves 51 axions 51 Spiral galaxies 51 super Earths 51 proplyds 51 exo planets 51 distant galaxies 51 ionized hydrogen 51 Solar flares 51 elliptical galaxy 51 astrophysical objects 51 AB Aurigae 51 Kuiper Belt objects 50 foreground galaxy 50 warmer wetter planet 50 nebulas 50 distant galaxy 50 magnetar 50 Galilean moons 50 interstellar dust grains 50 supermassive black holes 50 terrestrial planets 50 astronomical objects 50 starburst galaxy 50 comets orbiting 50 planets asteroids 50 Tarantula nebula 50 ultraviolet wavelengths 50 strangelets 50 singularities 50 Gliese #c 50 Kuiper belt objects 50 planet orbits 50 planetary nebulas 50 giant elliptical galaxies 50 Magellanic Clouds 50 planets circling stars 50 protoplanets 50 Cosmic rays 50 meteoroid impacts 50 spherical halo 50 Type Ia supernova 50 stellar seismology 50 Wolszczan 50 X ray emission 50 baryonic matter 50 Epsilon Aurigae 50 Milky Way galaxy 50 SMBH 50 Fomalhaut b 50 GQ Lupi 50 galactic clusters 50 Geminid meteors 50 retrograde orbit 50 filamentary structure 50 Arches Cluster 50 tidal tails 50 galaxies nebulae 49 galaxy clusters 49 spiral nebulae 49 moonlets 49 gamma ray bursts 49 Fornax cluster 49 occultations 49 volcanic moon Io 49 hypervelocity stars 49 interstellar dust 49 Evolution Explorer 49 suns 49 eclipsing binary 49 thermonuclear reactions 49 Wolf Rayet stars 49 infalling gas 49 Doppler shifts 49 Type Ia supernovae 49 Gamma rays 49 Eagle Nebula 49 asteroids orbiting 49 Geminga 49 Fermi telescope 49 planets constellations 49 protoplanet 49 blazars 49 cosmological distances 49 interstellar dust clouds 49 atom smashers 49 Supernovae 49 energetic cosmic rays 49 infalling 49 emit X rays 49 Jovian moons 49 dwarf galaxy 49 supercontinents 49 SMM J# 49 cosmic ray collisions 49 Trifid Nebula 49 planets comets 49 tidal bulge 49 relativistic particles 49 millisecond pulsar 49 planet HD#b 49 supergiant stars 49 shadowy craters 49 V# Mon 49 Coma cluster 49 Distant galaxies 49 Amateur astronomers 49 Geminids 49 accretion disk 48 gravitational perturbations 48 submillimeter galaxies 48 chemical abundances 48 evolve Borucki 48 constellation Virgo 48 Galilean satellites 48 IRC +# 48 Hawking radiation 48 Kuiper Belt Objects 48 galaxy 48 dense neutron stars 48 novae 48 emits X rays 48 gamma ray emitting 48 nebula 48 spinning neutron stars 48 interstellar molecules 48 Gemini constellation 48 galactic disk 48 Hipparcos 48 protostar 48 Beta Pictoris b 48 Commtouch Detection Center 48 novas 48 Type Ia 48 distant galaxy clusters 48 celestial phenomena 48 align creator Joss 48 baryons 48 reionization 48 Jennifer Rizzotti Sue 48 Oort cloud 48 starbursts 48 faint meteors 48 periodic dimming 48 brown dwarfs stellar 48 Triangulum 48 Omega Centauri 48 Corot 7b 48 SMBHs 48 Maunder minimum 48 Kepler #b 48 gravitational radiation 48 IRAS #-# 48 Cosmologists 48 RS Ophiuchi 48 telescope Uranus 48 extrasolar planets 48 distant quasar 48 planetary orbits 48 Cepheids 48 superbubble 48 circumstellar 48 blazar 48 Earthlike planet 48 particle colliders 48 Avi Loeb 48 presolar grains 48 sterile neutrino 48 microlensing events 48 faint galaxies 48 constellation Cygnus 48 hematite mineral 48 radial velocity 48 supernova 48 Bug Nebula 48 proto planetary disks 48 gamma ray bursts GRBs 48 lunar craters 48 intrinsic brightness 48 Neptune Uranus 48 COROT 48 moons Phobos 48 beautifully retro styled 48 oblate spheroid 48 planetary alignments 48 exo planet 48 distant quasars 48 constellation Hercules 48 gamma ray emission 47 Eta Carinae 47 magnify objects 47 transiting planet 47 elliptical orbits 47 Proxima Centauri 47 distant suns 47 elongated orbits 47 lunar crust 47 asteroidal 47 Red Rectangle 47 comets 47 Noel Schneeberger 47 fireflies blinking greenish 47 radial velocity technique 47 giant gaseous planets 47 brightest meteors 47 pulsars 47 circumstellar disk 47 photosphere 47 dynamical processes 47 Pleiades cluster 47 extragalactic 47 Saturn rings 47 Orionid meteors 47 carbonate globules 47 particle accelerators 47 nebular 47 blue supergiant 47 Milky Way Galaxy 47 mineral olivine 47 blue straggler 47 antiparticles 47 Orion Nebula 47 astronomical phenomena 47 Milky Way halo 47 filamentary structures 47 astrophysicists 47 energetic electrons 47 cluster NGC 47 van Dokkum 47 molten magma 47 asteroid collisions 47 van Arkel discovery 47 strangelet 47 Orion nebula 47 gravitational tides 47 dynamical evolution 47 icy comets 47 gamma rays 47 Saturn outermost ring 47 Saturnian moons 47 proto cluster 47 VY Canis Majoris 47 moons circling 47 Kuiper belt 47 chondrules 47 outer planets 47 celestial objects 47 starlike 47 ionized gases 47 habitable worlds 47 Betelgeuse 47 electronvolts 47 Orionid 47 Gondolo 47 HAT P 47 Io Europa 47 CoRoT 9b 47 Trapezium 47 dusty cocoons 47 proton collisions 47 highly magnetized neutron 47 cryovolcanism 47 brown dwarf 47 galactic halo 47 moon Io 47 coronal mass ejections 47 asteroids WISE 47 supergiant star 47 quasar 47 SN #D 47 Gamma ray burst 47 astrophysical 47 IRAS 4B 47 constellation Pegasus 47 X ray observatories 47 ULP cepheids 47 RX J# 47 prominences 46 Galactic cosmic rays 46 Earthlike 46 orbits 46 silicon monoxide 46 mesons 46 afterglows 46 solar corona 46 galaxies quasars 46 supermassive stars 46 Comet Tempel Tuttle 46 sunlike star 46 coronal heating 46 primitive meteorites 46 planet WASP #b 46 Orionids 46 Seisint databases store 46 Perseus Cluster 46 diffuse aurora 46 Michael Flasar 46 booming Bakken Shale 46 primordial galaxies 46 Sagittarius dwarf galaxy 46 celestial bodies 46 subatomic particles 46 microquasar 46 gravity warps 46 Leonids 46 gravitational interaction 46 constellation Cassiopeia 46 floating orbs 46 planet orbiting 46 moon Ganymede 46 gamma ray flares 46 Aram Chaos 46 Beta Pictoris 46 protons collide 46 X ray wavelengths 46 nebula NGC 46 magnetic substorms 46 Martian craters 46 active galactic nucleus 46 filamentary 46 gecko hairs 46 moon Europa 46 transiting exoplanets 46 ultraviolet radiation emitted 46 Jupiter moons 46 detect gravitational waves 46 magnetic monopoles 46 coronal loops 46 brightest supernova 46 moon Mab 46 trans Neptunian objects 46 Lagoon Nebula 46 protoplanetary disc 46 protons neutrons 46 Konacki 46 primitive organisms 46 constellation Ursa Major 46 highly elliptical orbits 46 radioactive nuclei 46 concentration camps Gonsalves 46 Weakly Interacting Massive Particles 46 neutrinos 46 solar nebula 46 interstellar dust particles 46 muon neutrinos 46 positrons 46 fossilized dinosaur dung 46 Martian meteorites 46 prebiotic molecules 46 Muons 46 Earthly contamination 46 intracluster 46 unaided eye 46 Stephan Quintet 46 Crab Nebula 46 HD #b [002] 46 tholins 46 cometary material 46 ULIRGs 46 radial velocity method 46 cosmological theory 46 MG J# +# 46 star Gliese 46 impactors 46 habitable planet 46 interstellar distances 46 polar craters 46 galaxy redshift 46 Saturn Jupiter Uranus 46 asteroids 46 Saturnian moon 46 gravitational tugs 46 Gliese #d 46 Uranus Neptune 46 nebulas clouds 46 mantle plumes 46 starquakes 46 Orion constellation 46 squares triangles 46 TGFs 46 earths 46 gamma ray burst 46 planetary atmospheres 46 ostracods 46 Carina Nebula 45 axial tilt 45 Cosmic Microwave Background 45 Balance Sheet Dollars 45 GLAST telescope 45 transiting exoplanet 45 SN#A 45 spectroscopic observations 45 Fashion Movie Reviews 45 spheroidal 45 solar neutrinos 45 #P/Churyumov-Gerasimenko 45 Trojan asteroids 45 radioactive SIR Spheres 45 planetary geologists 45 Spitzer Space Telescope 45 Astronomers 45 Virgo Cluster 45 galactic cosmic rays 45 volcanic lava flows 45 active volcanism 45 galaxy M# [002] 45 circular orbits 45 Ring Nebula 45 antiparticle 45 RRATs 45 faint smudges 45 heavily cratered 45 extrasolar planetary systems 45 carbon cenospheres 45 Manned missions 45 untold trillions 45 exoplanetary systems 45 massless particles 45 planetoids 45 astronomical observations 45 haloes 45 Dwarf galaxies 45 lunar meteorites 45 zodiac constellations 45 meteor showers 45 Kepler 9c 45 rubbly 45 biosignatures 45 outer corona 45 Saturn moons 45 large oceanic plateaus 45 superdense 45 vortexes 45 hadrons 45 GJ #b [002] 45 protoplanetary 45 luminosities 45 rotating neutron 45 spinning neutron 45 particles WIMPs 45 Higgs particle 45 glow brightly 45 called gravitational microlensing 45 smallest exoplanet 45 CMB radiation 45 comet orbit 45 solar flares 45 masers 45 supervolcanoes 45 constellations planets 45 mysterious uncharted 45 phyllosilicate 45 sterile neutrinos 45 cometary impacts 45 binary asteroid 45 planetary nebula 45 moons JAXA 45 superatoms 45 asteroid impacts 45 Hubble observations 45 supercomputer simulations 45 shadowed craters 45 Hubble orbits 45 Gliese #g 45 cosmic microwave background 45 Make SPECTRUM day 45 vibrating strings 45 Astrological lore 45 Saturn Enceladus 45 eclipsing binaries 45 Martian volcanoes 45 noctilucent clouds 45 KH #D 45 trillions 45 Corot 9b 45 superfluids 45 subatomic particle 45 Adam Riess 45 SDSS II 45 gravitationally 45 nebulosity 45 painstakingly dissect 45 solar prominences 45 planetesimal 45 Bullet Cluster 45 fault scarps 45 dust mote 45 cosmic particles 45 star clusters nebulae 45 electroweak 45 Trifid 45 magnetospheres 45 constellation Leo 45 celestial object 45 gaseous planet 45 galaxy M# [001] 45 phyllosilicates 45 Helix nebula 45 neutrino particles 45 coronal mass ejections CMEs 45 meteorite impacts 45 earthlike 45 type 1a supernovae 45 Rebecca Lobo Diana Taurasi 45 orbits Saturn 45 Magnetic reconnection 45 Helix Nebula 45 X ray Observatory 45 Hubble Constant 45 particle acceleration 45 R#a# 45 Delta Cephei 45 Gliese #G 45 colliding protons 45 spectroscopically 45 baryonic 45 auroras 45 Seyfert galaxies 45 Astrophysicists 45 chondritic 45 Noctilucent clouds 45 hunting Kepler telescope 45 comet Tempel Tuttle 45 TNOs 45 undersea volcanoes 45 constellation Carina 45 shells pockmarking homes 45 colliders 45 #Q# #Q# #Q# QoQ 45 atomic particles 44 hydrothermal explosions 44 shorter wavelengths 44 NGC# 44 multi celled 44 Comet Machholz 44 meteors 44 WISE telescope 44 Keck telescope 44 potentially habitable 44 superclusters 44 planet gravitational tug 44 nursery Carina Nebula 44 Tarantula Nebula 44 evaporite deposits 44 galaxy cluster 44 Crab pulsar 44 Kuiper belt object 44 Delta Aquarids 44 astro tourists 44 Plate tectonics 44 permanently shadowed regions 44 planets astronomers 44 Saturn moon Mimas 44 Jupiter Saturn 44 glowing blob 44 hydrated minerals 44 NEAs 44 icy moon Enceladus 44 Jupiter Saturn Uranus 44 Galaxy Evolution 44 hydrogen helium 44 exosolar planets 44 Wolf Rayet star 44 Milky Way 44 magma ocean 44 Supergiant 44 elliptical shapes 44 cosmic cannibal 44 vast troves 44 Jedicke 44 V# Puppis 44 exoplanets 44 sextillion stars 44 BLG #Lb 44 X ray telescopes 44 Fomalhaut 44 subsurface ocean 44 Neptune Uranus Jupiter 44 planet Gliese #g 44 virgin cypress trees 44 toenail clippings determined 44 holes subatomic versions 44 Sara Seager 44 Venus Neptune Uranus 44 mountainside tunnels 44 Earth asteroids 44 coronal loop 44 Quadrantid meteor shower 44 planets Uranus 44 NEW POWER PLANTS 44 QQ# 44 microlensing technique 44 HD# [002] 44 intelligent beings 44 southern supercontinent 44 moons Io 44 alien civilizations 44 supersymmetry 44 cosmic collisions 44 gravitational lensing 44 glowworms 44 silicate grains 44 cosmic rays 44 XO 3b 44 cosmic gamma rays 44 telescopes astronomers 44 Ordovician extinction 44 supermassive black hole 44 extraterrestrial UFOs 44 neutralino 44 YORP effect 44 baryon 44 constellation Vulpecula 44 interstellar boundary 44 Alex Filippenko 44 Numerologists 44 lunar soil 44 particle detectors 44 underwater volcanoes 44 earthshine 44 matter antimatter asymmetry 44 B mesons 44 crystalline silicates 44 Titanoboa size 44 unmanned probes 44 silicates 44 Hanny Voorwerp 44 planet transits 44 fossilized fragments 44 Pegasus constellation 44 inner moons 44 Jupiter moon Io 44 Pegasi 44 Kuiper Belt Object 44 Rosette Nebula 44 cosmologists 44 fractal patterns 44 inner Oort Cloud 44 hydrate deposits 44 dimming starlight 44 exoplanetary 44 SNR #-#.# 44 uncontrollable gusher 44 supersymmetric 44 planet Gliese #c 44 meteorite bombardment 44 NASA Chandra 44 moonquakes 44 Hubble Ultra 44 Explosive eruptions 44 X ray pulses 44 relativistic jets 44 captured interstellar dust 44 meteoroids 44 SCP #F# 44 Large Magellanic Cloud 44 dinosaur extinction 44 metallicity 44 barred spiral galaxy 44 Phoebe orbits 44 afterglows linger 44 SNe 44 GJ #b [001] 44 Kuiper Belt object 44 subglacial lakes 44 thermonuclear explosion 44 seafloors 44 binary quasar 44 GNPs 44 HIRES spectrometer 44 sedimentary deposits 44 WMAP satellite 44 SN #C 44 Superhero flicks 44 Small Magellanic Cloud 44 electrons protons 44 dusty disks 44 called lobate scarps 44 quark gluon plasma 44 Pedestrians gawk 44 mass beachings 44 plutoids 44 Slime molds 44 tau neutrinos 44 Peony nebula star 44 electron volts eV 44 smoggy atmosphere 44 erupt explosively 44 mineral hematite 44 supergiant 44 Suitcase nukes 44 discover Fomalhaut 44 ionized gas 44 single celled algae 44 glows brightly 44 silicate dust 44 X ray emitting 44 auroral 43 cometary debris 43 Catalytic converters contain 43 Geminid 43 abiogenesis 43 Jupiter Uranus 43 particle collisions 43 planet Uranus 43 spiral galaxy 43 Higgs Boson particle 43 binary asteroids 43 CMB photons 43 Svedhem 43 pinwheel shaped 43 speleothems 43 Mini TES 43 Avishay Gal Yam 43 lightyears 43 emission nebula 43 VISTA telescope 43 gravitational waves 43 Mud volcanoes 43 exoplanets planets 43 DaimlerBenz saved 43 celled organisms 43 dangerous galactic cosmic 43 potentially habitable planets 43 helium nuclei 43 Gravitational lensing 43 exerts gravitational pull 43 cosmic microwave radiation 43 X ray afterglow 43 astronomers 43 stubby limbs 43 Perseid meteors 43 J# +# [002] 43 Cygnus X 43 Saturn aurora 43 millimeter wavelengths 43 Charles Beichman 43 Andromeda Galaxy 43 collisional 43 coronagraph 43 VB #b 43 Coronal mass 43 microscopic hairs 43 gluon 43 atomic nuclei 43 tidally 43 photons particles 43 moons 43 lightwaves 43 crystal lattices 43 spatially separated 43 diffraction patterns 43 Particle accelerators 43 superstrings 43 moons orbiting Pluto 43 Mars Uranus 43 element osmium 43 comet nuclei 43 chromosphere 43 thermonuclear fusion 43 extravagant spender 43 Veil Nebula 43 reionization epoch 43 starlight 43 reflection nebula 43 blobs 43 CoRoT 7b 43 umbral shadow 43 Solar eclipses 43 cinder cones 43 saline aquifers 43 moonlet 43 Mamajek 43 constellations Cygnus 43 Jupiter gravitational pull 43 Alfven waves 43 circumstellar dust 43 spatially resolved 43 Krakatoa erupted 43 missing baryons 43 glowing spheres 43 leptons 43 Hipparchus 43 moons orbiting Saturn 43 Voorwerp 43 waffle cone sundaes 43 JILA scientists 43 antineutrinos 43 Valles Marineris 43 TrES 43 ejecta 43 Bill Borucki Kepler 43 Active Galactic Nuclei 43 Cambrian explosion 43 sulfurous steam 43 redshift 43 Tianyulong 43 VLBA observations 43 sextillion 43 extraterrestial 43 HiRISE image 43 UCDs 43 Uranus Jupiter 43 quantum particle 43 particle smasher 43 spacecraft flyby 43 frigid arctic plains 43 Great Orion Nebula 43 optical spectra 43 microlensing 43 complex mathematical formulas 43 Toutatis 43 gravitational pulls 43 whiz harmlessly 43 galactic alignment 43 isopods 43 optical wavelengths 43 untrackable 43 Stassun 43 Bubble Epoque