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(Click for frequent words.) 60 supernova 57 supernova explosion 55 quark gluon plasma 55 neutron stars 55 universe 55 reionization 55 solar nebula 55 supernovae 54 galaxies 54 neutron star 54 supernovas 54 gamma ray bursts 53 magnetar 52 Cosmic Microwave Background CMB 52 gamma ray burst 52 quasars 52 observable universe 52 supernova explosions 52 SN #A 52 atomic particles 51 Universe 51 GRB # 51 galaxy 51 planetesimals 50 Hawking radiation 50 distant galaxy 50 cosmic microwave background 50 GRBs 50 brown dwarf 50 GRB #B 50 Late Heavy Bombardment 50 trillionth 50 antimatter particles 50 subatomic particles 49 protoplanetary disk 49 neutrino 49 neutrinos 49 supernovae explosions 49 particle collisions 48 protostar 48 cosmos 48 Big Bang theory 48 Cosmic Microwave Background 48 planetary nebula 48 quasar 48 brown dwarfs 48 Magnetars 48 Cosmologists 48 millisecond pulsar 48 nucleosynthesis 48 astrophysicists 48 dwarf galaxy 48 GRB 48 galaxy clusters 48 gravitational radiation 48 WMAP 47 supermassive black holes 47 planets moons 47 SN #gy 47 galaxy formation 47 supernova remnant 47 colliding galaxies 47 planets 47 cosmologists 47 globular clusters 47 nebula 47 Bullet Cluster 47 protoplanet 47 globular cluster 47 Wolf Rayet star 47 Milky Way 47 elliptical galaxies 47 brightest supernova 47 gamma rays 47 starburst galaxies 47 X ray pulses 47 red supergiant 47 V# Sgr 47 GeV 47 luminous galaxies 46 cosmic 46 starburst galaxy 46 Type Ia supernova 46 infall 46 antimatter 46 Gliese #d 46 Crab Nebula 46 galaxy cluster 46 Fritz Zwicky 46 Pandorica Opens 46 supermassive stars 46 Large Hadron Collider 46 protons 46 subatomic 46 Large Hadron Collider LHC 46 Virgo cluster 46 type Ia supernovae 46 pulsar 46 neighboring Andromeda galaxy 46 galaxies collide 46 merging galaxies 46 God Particle 46 proto galaxies 46 subatomic particle 46 Neutron stars 46 Supernovae 46 GJ #b [001] 46 CERN LHC 46 RS Ophiuchi 46 Eta Carinae 46 Cambrian explosion 46 Cygnus X 46 gravitational waves 46 hypernova 46 Beta Pictoris 45 exoplanet orbiting 45 GRB# 45 particle collider 45 Cambrian Explosion 45 radioactive decay 45 SN #E 45 atoms 45 Higgs bosons 45 millisecond pulsars 45 X ray telescopes 45 AGNs 45 comet 45 TrES 4 45 abiogenesis 45 Type 1a supernova 45 Milky Way halo 45 comets 45 V# Mon 45 HD#b 45 distant galaxies 45 gamma ray emission 45 Bose Einstein condensation 45 type Ia supernova 45 trillionths 45 Higgs particle 45 accretion disk 45 supernova remnants 45 Proxima Centauri 45 astrophysical 45 exoplanets 45 Higgs Boson 44 spacetime 44 blue supergiant 44 proton collisions 44 WASP #b 44 Hadron Collider 44 supermassive black hole 44 Higgs boson particle 44 Bose Einstein condensate 44 HM Cancri 44 Henize #-# 44 WIMPs 44 novae 44 Higgs boson 44 Comet #P/Holmes 44 Snowball Earth 44 supersymmetric particles 44 Milky Way Galaxy 44 Paleocene Eocene Thermal Maximum 44 Type 1a supernovae 44 hadron collider 44 general relativity 44 singularity 44 kaons 44 G#.# +#.# 44 stellar nurseries 44 Supernovas 44 collider 44 Planck satellite 44 tera electron volts 44 extrasolar planet 44 positrons 44 helium nuclei 44 substorms 44 Neil Gehrels 44 AB Aurigae 44 WMAP satellite 44 Milky Way galaxy 44 Solar System 44 smashing protons 44 protoplanets 44 Pulsars 43 Astrophysicists 43 antiquarks 43 Upsilon Andromedae 43 atomic nuclei 43 rocky planets 43 SUSY 43 Gamma ray bursts 43 neutralinos 43 astronomers 43 strangelets 43 magnetic monopoles 43 interstellar clouds 43 accretion disks 43 energetic gamma rays 43 Kuiper Belt object 43 supergiant star 43 Fomalhaut b 43 Type Ia supernovae 43 RS Oph 43 electron volts 43 rotating neutron 43 Comet Holmes 43 planetary nebulae 43 Astronomers 43 galaxy M# [001] 43 Supernova #A 43 muons 43 X ray binary 43 Orion Nebula 43 particle colliders 43 HD #b [002] 43 rocky extrasolar planet 43 antiprotons 43 Andromeda galaxy 43 proton proton 43 X ray emission 43 singularities 43 interstellar cloud 43 Stephan Quintet 43 Cern 43 distant supernovae 43 Epsilon Eridani 43 gravitationally bound 43 pulsars 43 Gliese #c 43 exoplanet 43 Neutrinos 43 Anisotropy Probe 43 Hubble Constant 43 Earth 43 comet nucleus 43 coronal mass ejection 43 sodium atoms 43 relativity theory 43 cosmic phenomena 43 elliptical galaxy 43 afterglows 43 Saturn rings 43 magnetars 43 hypervelocity stars 42 blackholes 42 dwarf galaxies 42 Large Hadron 42 colliders 42 proton proton collisions 42 super nova 42 Type Ib 42 novas 42 gamma ray bursts GRBs 42 Large Magellanic Cloud 42 redshifted 42 gaseous planet 42 cosmological theories 42 sunlike star 42 Trifid Nebula 42 electroweak 42 LHC experiments 42 proton decay 42 Sagittarius B2 42 microquasar 42 Hanny Voorwerp 42 SN #C 42 nebulae 42 exo planet 42 chondrules 42 Gondolo 42 Einstein relativity theory 42 B mesons 42 Andromeda Galaxy 42 particle acceleration 42 Theorists 42 quarks 42 particle smasher 42 HIP #b 42 Earths orbiting 42 Particle physics 42 nebular 42 CMB radiation 42 primordial 42 particle physics 42 RHIC 42 nova 42 barred spiral galaxy 42 runaway thermonuclear 42 Type Ia 42 planet orbits 42 Alex Filippenko 42 J# +# [002] 42 baryons 42 photosphere 42 Hawking Radiation 42 colliding protons 42 atom smasher 42 axions 42 supercontinent 42 mass extinction 42 SN#A 42 giant elliptical galaxy 42 cosmological 42 gravitational interactions 42 Tunguska 42 magma ocean 42 superfluid 42 subatomic scale 42 supernova SN 42 Higgs Boson particle 42 Perseus cluster 42 Gravitational waves 42 ultraluminous galaxy 42 superstrings 42 planet orbiting 41 hadrons 41 supermassive 41 Tycho supernova 41 atomic nucleus 41 cosmic microwave radiation 41 distant quasar 41 cosmic rays 41 Type Ia supernovas 41 gravitational microlensing 41 Cosmological 41 cosmic collisions 41 substorm 41 SNR #-#.# 41 COROT 41 baryonic 41 particle accelerator 41 magnetic reconnection 41 Bok globules 41 gravitational tides 41 hydrogen atoms 41 spiral galaxies 41 solar flares 41 galactic collisions 41 interstellar space 41 Hadean Eon 41 quantum gravity 41 spinning pulsar 41 Hadron 41 solar corona 41 RX J# 41 proton antiproton collisions 41 rotating neutron stars 41 constellation Cassiopeia 41 antiparticle 41 galaxy M# [002] 41 cosmic ray astronomy 41 Oort Cloud 41 Planck 41 SMM J# 41 thermonuclear explosion 41 XTE J# 41 extrasolar planetary systems 41 sun corona 41 GJ #b [002] 41 neutrons 41 XMM Newton 41 galactic cannibalism 41 Black Holes 41 spiral galaxy 41 #gy 41 Kepler #b 41 particle accelerators 41 sonoluminescence 41 Great Oxidation Event 41 constellation Hercules 41 gaseous 41 redshift 41 strangelet 41 BP Psc 41 reionization epoch 41 J#.# [001] 41 infalling gas 41 nuclei 41 chemical abundances 41 Bug Nebula 41 Eta Aquarids 41 COBE 41 Arches Cluster 41 Red Rectangle 41 WHIM 41 relativistic proton dark 41 constellation Ursa Major 41 Carina constellation 41 matter antimatter asymmetry 41 infalling 41 WIMP 41 relativistic particles 41 terrestrial planets 41 Gliese #e 41 interstellar medium 41 Cern Large Hadron 41 Big Bang Machine 41 atom smashers 41 SN #cr 41 boson 41 Bose Einstein Condensate 41 tiniest particles 41 Filippenko 41 asymptotic freedom 41 muon 41 galactic mergers 41 corona 40 starbursts 40 Iapetus 40 gravitons 40 muon neutrinos 40 transiting exoplanet 40 Younger Dryas 40 superdense 40 supersymmetric 40 exoplanets orbiting 40 IRAS 4B 40 Hale Bopp 40 ULIRGs 40 thermonuclear reactions 40 CMEs 40 neutrino oscillations 40 Tunguska Event 40 protostars 40 supersolid 40 SNe Ia 40 Fermi Paradox 40 ion collisions 40 Higgs singlet 40 KT extinction 40 spiral nebulae 40 spherically symmetric 40 Atom Smasher 40 Supersymmetry 40 cosmic ray 40 SMBH 40 redshift z = 40 X ray afterglow 40 femtoseconds 40 SN #D 40 thermonuclear fusion 40 Exoplanets 40 Voorwerp 40 Supernova 40 Enceladus 40 strange quarks 40 Einstein theory 40 planetoid 40 active galactic nuclei 40 dynamical evolution 40 celestial object 40 Astrophysical 40 primordial galaxies 40 magnetic dynamo 40 eclipsing binary 40 interstellar dust 40 galactic 40 circumstellar 40 COROT 7b 40 galactic cores 40 planets orbits 40 atom smashing 40 Cepheid variables 40 magnetic fields 40 gravitational wave 40 Corot 7b 40 sterile neutrino 40 helium atoms 40 Antennae Galaxies 40 GLAST telescope 40 Galaxies 40 CoRoT 7b 40 Weakly Interacting Massive Particles 40 ejecta 40 Kuiper belt 40 Atom smasher 40 extrasolar 40 chemical reactions 40 planemos 40 Maunder Minimum 40 Relativistic 40 aeon 40 Eemian 40 Nibiru 40 BaBar 40 spontaneous symmetry 40 Triangulum 40 Comet Shoemaker Levy 40 kelvin 40 Bose Einstein condensates 40 Supermassive black 40 Elliptical galaxies 40 W boson 40 attosecond 40 Einstein equations 40 zodiacal dust 40 constellation Aquarius 40 Einsteinian 40 Alfvén waves 40 strange quark 40 Pegasi 40 Imaging Utility UIU 40 HL Tau 40 Fermi telescope 40 galaxy NGC 40 Milankovitch 40 Virgo Cluster 40 Cosmic Background Explorer 40 branes 39 thermonuclear explosions 39 VY Canis Majoris 39 antineutrinos 39 Evolution Explorer 39 Schawinski 39 Gamma ray bursts GRBs 39 meteoroid 39 BaBar experiment 39 electronvolts 39 Pieter van Dokkum 39 Alfven waves 39 Lyman alpha 39 globulars 39 circumstellar disk 39 accreting 39 Gerard Kuiper 39 polaritons 39 quark 39 Eagle Nebula 39 Magellanic Stream 39 HD #b [001] 39 electron neutrinos 39 blazars 39 Pluto demotion 39 gravitationally 39 cosmological constant 39 cosmic strings 39 Gravitational lensing 39 Halley comet 39 powerful particle accelerator 39 luminosities 39 Goldilocks planet 39 interacting galaxies 39 NASA Wilkinson Microwave 39 Dirac equation 39 constellation Carina 39 intrinsic brightness 39 X ray Observatory 39 gamma ray burst GRB 39 faintest galaxies 39 sterile neutrinos 39 hot Jupiters 39 pions 39 protons collide 39 particles 39 planetary Transits 39 Earths 39 luminosity 39 electron volt 39 CoRoT 39 fermion 39 filamentary structure 39 superheavy elements 39 primordial ingredients 39 Gal Yam 39 faraway galaxies 39 GQ Lupi 39 interstellar 39 fainter 39 heliosphere 39 Neukum 39 tau neutrinos 39 Hot Jupiters 39 dense neutron stars 39 circumstellar disks 39 holes subatomic 39 spinning neutron stars 39 Schrödinger cat 39 SDSS II 39 Wolf Rayet stars 39 planets orbiting distant 39 axion 39 cosmic cannibal 39 binary quasar 39 physicists 39 superclusters 39 globular star 39 P/# A2 39 Supermassive Black Holes 39 distant quasars 39 cosmic ray collisions 39 super Earths 39 coronal loops 39 mesons 39 #P/Holmes 39 constellation Vulpecula 39 asteroidal 39 interstellar dust clouds 39 particle beams 39 decoherence 39 Voyager spacecraft 39 GJ#b 39 hadron 39 mu Arae 39 Cosmic Background Explorer COBE 39 comet Hale Bopp 39 SIM PlanetQuest 39 heliosheath 39 Planetary nebulae 39 gravitational attraction 39 meteoroid impacts 39 Einstein cosmological constant 39 Helix Nebula 39 outer layers 39 Krakatoa 39 constellation Virgo 38 Quarks 38 Depeche Mode Sounds 38 sundog 38 phlogiston 38 trans Neptunian objects 38 dinosaur extinction 38 Omega Centauri 38 Earth magnetosphere 38 KH #D 38 antiparticles 38 Kuiper Belt 38 unimaginably dense 38 radial velocity 38 dirty snowballs 38 Precession 38 IRAS #-# 38 meteorite bombardment 38 Rosette Nebula 38 photons 38 hydrogen nuclei 38 Paul Dirac 38 constellation Pegasus 38 Astronomers Discover 38 spiral galaxy NGC 38 photoemission 38 wave particle duality 38 highly magnetized neutron 38 NASA Great Observatories 38 celestial bodies 38 planets orbiting 38 Rayleigh scattering 38 protoplanetary disks 38 Gravity Probe B 38 smallest exoplanet 38 constellation Eridanus 38 glaciation 38 Superconducting Supercollider 38 extrasolar planets 38 Cosmic Evolution 38 moons Phobos 38 giant elliptical galaxies 38 Quentin Tarantino Waltz 38 SN #ha 38 nuclear fission 38 AU Mic 38 supervolcano 38 Kepler 9c 38 interstellar dust grains 38 weak gravitational lensing 38 Asteroid Belt 38 relativistic jets 38 scientists theorize 38 weakly interacting 38 Permian extinction 38 VHE gamma rays 38 submillimetre wavelengths 38 Hadean 38 Brookhaven Relativistic Heavy 38 planet HD #b 38 galactic disk 38 Butterfly Nebula 38 Saturnian moon 38 Nial Tanvir 38 David Bodanis 38 Gaensler 38 Earthlike planet 38 Tycho Brahe 38 habitable planets 38 Adam Riess 38 picosecond 38 plate tectonics 38 ionized gas 38 suns 38 superbubble 38 Betelgeuse 38 Nicolaus Copernicus 38 comets asteroids 38 Hesperian epoch 38 B meson 38 detect gravitational waves 38 lunar perigee 38 Einstein theories 38 gravitational lensing 38 Atomic Age 38 anthropic principle 38 Maunder minimum 38 gravitational 38 comets orbiting 38 blue straggler 38 HAT P 38 impactor 38 Cretaceous Tertiary extinction 38 planet Uranus 38 neutrino physics 38 multiverse 38 Orion nebula 38 gamma ray flares 38 Mpc 38 Gamma rays 38 dwarf spheroidal galaxies 38 Roswell Incident 38 Einstein relativity 38 Gliese #g 38 Alpha Centauri 38 CERN Large Hadron 38 phyllosilicates 38 star Beta Pictoris 38 muon neutrino 38 chondrites 38 Gliese 38 high temperature superconductivity 38 carbonate minerals 38 planetary embryos 38 redshifts 38 quark gluon 38 Collider LHC 38 antihelium 4 38 cosmological models 38 X ray observatory 38 Gondwanaland 38 perihelion 38 SNe 38 gravitational interaction 38 planetesimal 38 Surtsey 38 Giovanni Cassini 38 Nima Arkani Hamed 38 antihydrogen atoms 38 orbiting 38 fission 38 metallicity 38 Multiverse 38 Antimatter 38 Tau Ceti 38 lightyears 38 curved spacetime 38 Zeta Ophiuchi 38 star Gliese 37 asteroids 37 constellation Coma Berenices 37 RXTE 37 Hubble Telescope 37 fundamental constants 37 Uranus 37 gravitational lenses 37 Muons 37 inhabitable planets 37 Carinae 37 transiting planet 37 meteorite 37 Alycia Weinberger 37 proton 37 synchrotron emission 37 holes subatomic versions 37 protons neutrons 37 Planck telescope 37 protoplanetary discs 37 Ralph Alpher 37 HESS telescopes 37 Exoplanet 37 Quantum Physics 37 X ray photons 37 Interstellar Boundary Explorer 37 neutrino oscillation 37 bosonic 37 electron neutrino 37 Cold Dark Matter 37 galaxy supermassive black 37 ionized hydrogen 37 Ordovician extinction 37 Saturn auroras 37 Particle acceleration 37 Saturnian 37 Physicists 37 Schrodinger Cat 37 femtosecond timescale 37 gamma ray photons 37 BP Piscium 37 ESA Herschel 37 wavefunction 37 WISE telescope 37 Particle Collider 37 Mimas 37 D meson 37 emit X rays 37 extrasolar planetary 37 planetary nebulas 37 Mott insulator 37 constellation Centaurus 37 cluster NGC 37 R Coronae Borealis 37 Cambrian Period 37 spatial dimensions 37 PSR B# +# 37 LHCb 37 Parallel Universes 37 shorter wavelengths 37 LSND 37 George Gamow 37 proto cluster 37 Vourlidas 37 subatomic versions 37 CERN 37 baryonic matter 37 microlensing 37 Camelopardalis 37 Cosmology 37 constellation Draco 37 Chicxulub impact 37 largest moon Charon 37 epoch 37 elemental abundances 37 Wolszczan 37 attoseconds 37 NASA Chandra 37 Gravitational 37 exo planets 37 CLG J# # 37 massless particles 37 CERN collider 37 proton antiproton 37 electron positron pairs 37 habitable planet 37 UVOT 37 Hubble Captures 37 Distant Planet 37 Fermi Telescope 37 dynamical 37 galactic cosmic rays 37 Huygens descent 37 universes 37 alpha particles 37 emits X rays 37 neutralino 37 stellar occultation 37 microwave photon 37 X ray wavelengths 37 coronal mass ejections CMEs 37 photon 37 Cancri e 37 leptons 37 Heisenberg Uncertainty Principle 37 particle beam 37 planet gravitational tug 37 graviton 37 pentaquark 37 particle astrophysics 37 particle 37 Super Earths 37 galactic alignment 37 Myr 37 antihydrogen 37 planet WASP #b 37 Dr. Raj Baldev 37 Hubble observations 37 moonlets 37 meteor impacts 37 Kuiper Belt Objects 37 Dark Matter 37 Saturn aurora 37 Earthlike planets 37 Edwin Hubble 37 coronal mass ejections 37 astrophysical objects 37 theoretical particle 37 DZero experiment 37 circumstellar dust 37 proplyds 37 meteoroids 37 ESA Integral 37 solar neutrinos 37 SMBHs 37 RHESSI 37 QGP 37 asteroid 37 Fermilab accelerator 37 jovian 37 Lagoon Nebula 37 Komossa 37 dust enshrouded 37 supersymmetry 37 noctilucent clouds 37 deuterium nuclei 37 Fermilab Tevatron 37 DZero collaboration 37 ionise 37 GROND 37 Milankovitch cycles 36 Oort cloud 36 Tarantula Nebula 36 ultracold 36 Epsilon Aurigae 36 galactic clusters 36 electron orbits 36 cosmological parameters 36 quantum theory 36 SOHO spacecraft 36 #P/Churyumov-Gerasimenko 36 Harlow Shapley 36 Extrasolar Planets 36 Tunguska meteorite 36 panspermia 36 Project Ozma 36 Tempel 1 36 Nasa spacecraft 36 icy comets 36 helium atom 36 submillimeter wavelengths 36 star Proxima Centauri 36 V# Puppis 36 Feynman 36 Schwarzschild radius 36 sunlike stars 36 UCO Lick 36 XFEL 36 Triangulum Galaxy 36 gluons 36 Dot.com 36 astronomical objects 36 Harvard Smithsonian 36 Gamma ray burst 36 Homunculus 36 Mandushev 36 helium 36 planetary 36 periodic oscillations 36 WM Keck Observatory 36 fermionic 36 excitations 36 SuperMoon 36 Cataclysmic 36 Trifid 36 planets comets 36 stimulated emission 36 Magnetic reconnection 36 Heisenberg uncertainty principle 36 red supergiants 36 asteroseismology 36 lensing galaxy 36 foreground galaxy 36 skeptics theorize 36 Asteroids 36 submillimeter galaxies 36 Kaluza Klein 36 exoplanetary 36 2MASS 36 cosmological distances 36 outer planets 36 spacecraft flyby 36 Comet Hale Bopp 36 Brownian motion 36 Hubble 36 Dwarf galaxies 36 Permian Triassic 36 Hungarian Erno Rubik 36 heliospheric 36 particle physicists 36 Tevatron accelerator 36 Quadrantids 36 MG J# +# 36 Helix nebula 36 atom 36 Martian crater 36 SIRTF 36 relativistic 36 Hinode 36 Seyfert galaxies 36 GALEX 36 neutrino particles 36 energetic electrons 36 TGFs 36 Corot 9b 36 YORP effect 36 Hipparcos 36 planets orbiting sun 36 SN Ia 36 galaxy NGC# 36 cosmic dust 36 fusion reactor 36 Fred Hoyle 36 quantum entanglement