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(Click for frequent words.) 71 physicists 71 Cosmologists 70 astrophysicists 69 Astrophysicists 68 astronomers 66 theoretical physicists 66 particle physicists 64 cosmological theories 62 distant supernovae 62 cosmology 62 supersymmetric particles 62 cosmological 61 cosmic microwave background 61 supersymmetry 61 Higgs particle 61 Big Bang theory 60 general relativity 60 GRBs 60 quantum gravity 60 Higgs bosons 59 theorists 59 cosmological constant 59 quantum physicists 59 gravitational lensing 59 cosmologist 59 particle physics 59 quantum mechanics 59 WMAP 59 high temperature superconductivity 58 cosmic phenomena 58 millisecond pulsars 58 Type Ia supernovae 58 Physicists 58 sterile neutrino 58 reionization 58 Kuiper belt objects 58 exoplanetary 58 axion 57 galaxy formation 57 quark gluon plasma 57 cosmological observations 57 novae 57 anthropic principle 57 quantum theory 57 SUSY 57 Astronomers 57 globular clusters 57 God Particle 57 distant galaxies 57 theoretical physicist 57 gravitational waves 57 type Ia supernovae 57 gamma ray bursts 57 luminous galaxies 57 magnetars 57 astrophysical 57 Fritz Zwicky 57 galaxy clusters 57 SN #A 57 axions 57 Einstein theories 57 neutralinos 57 Adam Riess 56 spacetime 56 astrobiologists 56 supernovae 56 superstrings 56 neutrinos 56 Maxwell equations 56 brown dwarfs 56 Nima Arkani Hamed 56 WIMPs 56 alien civilizations 56 Higgs Boson 56 matter antimatter asymmetry 56 solar neutrinos 56 AGNs 56 theoretical particle 56 distant quasars 56 magnetic monopoles 56 Higgs Boson particle 56 cosmological models 56 superstring theory 55 Cosmic Microwave Background 55 quantum physics 55 Einstein theory 55 quantum electrodynamics 55 sterile neutrinos 55 LHC experiments 55 Cosmic Microwave Background CMB 55 optical interferometry 55 quasars 55 boson 55 particle accelerators 55 relativity theory 55 NASA Wilkinson Microwave 55 extrasolar planets 55 elliptical galaxies 55 Theorists 55 gravitational lenses 55 magnetar 55 evolutionary biologists 55 observable universe 55 supernovas 55 Einstein relativity theory 55 Edwin Hubble 55 pulsars 55 Higgs boson particle 54 cosmological parameters 54 hypervelocity stars 54 cosmic rays 54 exo planets 54 Bose Einstein condensation 54 cosmic ray 54 galaxies 54 Hubble observations 54 Einstein equations 54 gravitational radiation 54 Saturn rings 54 Higgs boson 54 Hawking radiation 54 gamma ray emission 54 Earthlike planets 54 gravitational wave 54 electron neutrinos 54 planets astronomers 54 GJ #b [001] 54 coronal heating 54 exoplanets 54 abiogenesis 54 high temperature superconductors 54 supersymmetric 54 particle colliders 54 Anisotropy Probe WMAP 54 Wilkinson Microwave Anisotropy Probe 54 strangelet 54 WMAP satellite 54 particle physicist 54 optical telescopes 54 cosmic strings 53 Bose Einstein condensates 53 Alfven waves 53 globular cluster 53 superfluids 53 geochemists 53 gravitational microlensing 53 antineutrinos 53 particle astrophysics 53 antimatter 53 neutron stars 53 faraway galaxies 53 Gal Yam 53 chondrules 53 Sasselov 53 spiral nebulae 53 starburst galaxies 53 astronomical observations 53 redshift 53 observable phenomena 53 X ray emission 53 Alex Filippenko 53 super Earths 53 detect gravitational waves 53 weak gravitational lensing 53 Cosmology 53 extrasolar planetary systems 53 X ray telescopes 53 Erwin Schrödinger 53 active galactic nuclei 53 SN #gy 53 Anisotropy Probe 53 rocky planets 53 XMM Newton 53 CMB radiation 53 Gondolo 52 missing baryons 52 planemos 52 faint galaxies 52 planet Uranus 52 particle acceleration 52 baryons 52 Type 1a supernovae 52 planets 52 supernova remnants 52 astrophysical phenomena 52 antiparticle 52 neutralino 52 distant supernovas 52 Cepheids 52 solar nebula 52 fundamental constants 52 Type Ia supernovas 52 planetary nebulae 52 neutrino 52 Galilean moons 52 astrophysics 52 Roger Penrose 52 mathematicians 52 subatomic particles 52 Gamma ray bursts 52 protoplanet 52 supernova explosions 52 COROT 52 Fred Hoyle 52 wave particle duality 52 physicist 52 Hanny Voorwerp 52 Big Bang cosmology 52 experimentalists 52 evolutionists 52 Oort cloud 52 spatial dimensions 52 cosmic microwave radiation 52 Supersymmetry 52 substorms 52 scientists 52 Type Ia supernova 52 globulars 52 particle physics experiments 52 Fermi Paradox 52 KBOs 52 cosmological distances 52 colliders 52 quasar 52 extragalactic 52 COBE 52 Kazantzidis 52 SN#A 52 CERN LHC 51 distant galaxy 51 climate modellers 51 Omega Centauri 51 extrasolar 51 Crab Nebula 51 undiscovered particle 51 photoelectric effect 51 redshifts 51 astronomical objects 51 antimatter particles 51 Gravitational lensing 51 Wolszczan 51 blackbody 51 X ray Observatory 51 Gravitational waves 51 astrophysicist 51 Dauphas 51 Cepheid variables 51 microlensing events 51 Corot 7b 51 strangelets 51 Quantum Physics 51 Higgs singlet 51 BP Psc 51 antiprotons 51 Galilean satellites 51 transiting planets 51 panspermia 51 GRB #B 51 NASA Chandra 51 Bose Einstein condensate 51 relativistic proton dark 51 Neil Turok 51 Kuiper belt 51 dwarf galaxies 51 nucleosynthesis 51 millisecond pulsar 51 ULP cepheids 51 extraterrestrial civilizations 51 quantum entanglement 51 Hubble Constant 51 supernova explosion 51 LSND 51 X ray observatories 51 galactic cosmic rays 51 theoretical astrophysics 51 LOFAR 51 astronomer Johannes Kepler 51 planets orbiting distant 51 protoplanetary disks 51 WIMPS 51 hypernova 51 astronomer 51 interferometry 51 filamentary structure 51 ESA XMM Newton 51 Alfvén waves 51 infrared telescopes 51 brightest supernova 51 Andrei Linde 51 Fermi paradox 50 cosmic 50 W boson 50 Earthlike 50 SN #C 50 supercomputer simulations 50 RXTE 50 Saul Perlmutter 50 superheavy elements 50 interstellar clouds 50 electroweak 50 proton decay 50 quantum mechanical 50 singularities 50 Fermilab Tevatron 50 masers 50 accretion disks 50 Mario Livio 50 neutron star 50 theoreticians 50 Crutzen 50 magma ocean 50 habitable planets 50 impactors 50 atomic particles 50 antihydrogen atoms 50 gaseous planet 50 supernova 50 Arkani Hamed 50 heliocentric 50 Leonard Susskind 50 cosmos 50 supermassive black holes 50 microlensing 50 HD#b 50 Particle physicists 50 stellar seismology 50 particle smasher 50 type Ia supernova 50 Astrophysicist 50 Gliese #g 50 Paul Dirac 50 astrobiology 50 neutrino oscillation 50 Kepler #b 50 subatomic 50 astrophysical objects 50 KamLAND 50 RHIC 50 Fomalhaut b 50 superfluidity 50 Cassini Huygens 50 KT boundary 50 nucleons 50 Kuiper Belt Objects 50 Einstein cosmological constant 50 X ray wavelengths 50 planets orbiting stars 50 Giovanni Cassini 50 CERN physicists 50 Nobel laureate physicist 50 linear collider 50 solitons 50 particles WIMPs 50 magnetic reconnection 50 WASP #b 49 retrograde orbits 49 quantum optics 49 sparticles 49 magnetic fields 49 supernova remnant 49 theoretical physics 49 synchrotrons 49 intrinsic brightness 49 MiniBooNE 49 AB Aurigae 49 hadrons 49 Maunder minimum 49 RHESSI 49 GeV 49 polaritons 49 comets 49 gamma ray telescopes 49 baryonic matter 49 nanotechnologists 49 Carlos Frenk 49 Lawrence Krauss 49 gravitational interactions 49 metamaterials 49 climate modelers 49 Henize #-# 49 Martian meteorites 49 Collider LHC 49 Crab Pulsar 49 universe 49 planetary orbits 49 gravitational redshift 49 coronal loops 49 Saturn aurora 49 Avi Loeb 49 merging galaxies 49 lensing galaxy 49 neuroscientists 49 ASTRONOMERS 49 nanobacteria 49 Comet Elenin 49 KIPAC 49 nebulae 49 gamma ray burst 49 moons orbiting 49 baryonic 49 attosecond 49 anthropic 49 Vikhlinin 49 habitable worlds 49 Richard Feynman 49 ultracold 49 SCP #F# 49 Cold Dark Matter 49 superconducting materials 49 Chandra Wickramasinghe 49 sunlike stars 49 Voorwerp 49 terrestrial planets 49 muon neutrinos 49 supervolcanoes 49 X ray binaries 49 TrES 4 49 SMBHs 49 HD #b [002] 49 tau neutrinos 49 noctilucent clouds 49 radial velocity 49 supergiant star 49 atom smashers 49 extrasolar planets orbiting 49 Grillmair 49 theoretical calculations 49 planet Nibiru 49 polarimetry 49 neutrino physics 49 Arches Cluster 49 Drake Equation 49 X ray pulses 49 antiparticles 49 icy moons 49 proton proton collisions 49 cosmic particles 49 hot Jupiters 49 muons 49 Evolutionary biologists 49 Schrödinger cat 49 Saturnian moon 49 Gottfried Leibniz 49 Bruce Jakosky 49 permanently shadowed craters 48 Lee Smolin 48 gamma ray observatory 48 outer planets 48 redshifted 48 photons 48 SDSS II 48 MIT planetary scientist 48 Milky Way galaxy 48 galaxy redshift 48 optical wavelengths 48 antihydrogen 48 ULIRGs 48 GJ #b [002] 48 Brownian motion 48 climatologists 48 quasicrystal 48 Prof. Hawking 48 Comet #P 48 positrons 48 Einsteinian 48 SN #E 48 Virgo Cluster 48 RRATs 48 Mott insulators 48 NASA Fermi Gamma 48 Cosmological 48 cosmic gamma rays 48 Planck satellite 48 celestial phenomena 48 Computational Cosmology 48 earthshine 48 quantum phenomena 48 George Gamow 48 Earth magnetosphere 48 neutrons 48 astrometry 48 gravitational lens 48 exoplanet 48 Krimigis 48 muon neutrino 48 physicist Max Planck 48 medieval archeology 48 celestial bodies 48 IDers 48 Space Telescope 48 X ray observatory 48 Astrophysical 48 extrasolar planet 48 neutrino particles 48 planetary Transits 48 Beta Pictoris b 48 blazar 48 CMEs 48 biophysicists 48 V# Mon 48 fermions 48 Poincare Conjecture 48 Hubble astronomers 48 OGLE TR #b 48 telescopes astronomers 48 intracluster 48 spherically symmetric 48 Joel Primack 48 immunologists 48 Hawking Radiation 48 Theoretical physicists 48 proto galaxies 48 superlens 48 fermionic 48 evolutionary theorists 48 WIMP 48 Epsilon Aurigae 48 Extraterrestrial Intelligence 48 icy comets 48 relativity Einstein 48 subatomic physics 48 novas 48 powerful particle accelerator 48 magnetic monopole 48 starburst galaxy 48 Fermi telescope 48 SNfactory 48 submillimeter wavelengths 48 Lunine 48 WHIM 48 spectroscopic observations 48 Epsilon Eridani 48 baryon 48 hydrogen atoms 48 Tevatron experiments 48 theoretical physicist Stephen Hawking 48 atoms 48 Filippenko 48 distant quasar 48 sonoluminescence 48 Gaia Hypothesis 48 quantum computation 48 neutrino beam 48 Earthlike planet 48 KH #D 48 plasmonics 48 Nikku Madhusudhan 48 massless particles 48 RS Ophiuchi 48 Magueijo 48 palaeontologists 48 gamma ray photons 48 Rayleigh scattering 48 planetoid 48 Galaxy Evolution 48 femtosecond 48 Pieter van Dokkum 48 MicroFUN 48 superluminal 48 quantum chromodynamics 48 atomic nuclei 48 pronounced elongation 48 ALH# 48 Bok globules 48 Planck 48 cometary material 48 #gy 48 meteorite hunters 48 Astrophysics Cambridge Mass. 48 Nanotechnologists 48 nanoantennas 48 Cat Paw Nebula 47 RS Oph 47 solar corona 47 dinosaur extinction 47 noble gases 47 X ray binary 47 Astronomer 47 blazars 47 Saturn moons 47 planets orbiting 47 exoplanet hunter 47 paleoanthropologists 47 Particle physics 47 physicist Richard Feynman 47 Sara Seager 47 accretion disk 47 astronomy 47 Supernovae 47 infrared astronomy 47 subatomic particle 47 Eta Carinae 47 gamma ray flares 47 orbiting Chandra 47 heliocentric model 47 G#.# +#.# 47 spectroscopic 47 futurologists 47 interferometers 47 neurobiologists 47 Antennae Galaxies 47 wavefunction 47 Toutatis 47 cosmic ray particles 47 Hipparcos 47 Alexey Vikhlinin 47 dimming starlight 47 Geminga 47 extraterrestrial UFOs 47 Lyman alpha 47 type 1a supernovae 47 comets orbiting 47 nanoworld 47 dwarf galaxy 47 GJ#b 47 Big Bang 47 millimeter wavelengths 47 planetesimals 47 String theorists 47 Tegmark 47 Owen Gingerich 47 galactic clusters 47 fainter objects 47 Hot Jupiters 47 galaxy M# [002] 47 Gliese #c 47 observational astronomy 47 Kashlinsky 47 dynamical evolution 47 Feynman 47 semiconductor nanocrystals 47 Weakly Interacting Massive Particles 47 moon gravitational pull 47 foreground galaxy 47 supergiant stars 47 supermassive 47 chemical abundances 47 physics 47 nucleon 47 ESA Integral 47 pentaquark 47 optical lattices 47 Trojan asteroids 47 evolutionary psychologists 47 planets atmospheres 47 Bojowald 47 Type Ia 47 planets orbits 47 galaxy cluster 47 proto cluster 47 ultracold gases 47 HARPS spectrograph attached 47 photons emitted 47 Fermilab Tevatron collider 47 inhabitable planets 47 thermodynamic calculations 47 Miller Urey experiment 47 galactic mergers 47 cosmological theory 47 Kurt Godel 47 protoplanetary disk 47 cuprates 47 heliosphere 47 HARPS instrument 47 photochemistry 47 astronomical phenomena 47 Hubble Space Telescope HST 47 elliptical galaxy 47 ufologists 47 relativistic 47 meteor impacts 47 electromagnetism 47 planetary scientist 47 cosmic ray astronomy 47 QGP 47 celestial mechanics 47 gravitons 47 HM Cancri 47 substorm 47 unimaginably dense 47 sonofusion 47 negative refraction 47 CoRoT #b 47 tholins 47 trans Neptunian objects 47 mantle plumes 47 Snowball Earth 47 Einstein Theory 47 reionization epoch 47 submillimeter galaxies 47 Einstein relativity 47 electron orbits 47 Neils Bohr 47 Poincaré 47 climate alarmists 47 smallest exoplanet 47 Keck telescope 47 Carl Friedrich Gauss 47 supermassive stars 47 MARSIS 47 Aharonov Bohm effect 47 globular star 47 proplyds 47 shorter wavelengths 47 Kuiper Belt Object 47 quantum computers 47 optical spectra 47 JILA 47 Nial Tanvir 47 Voyager spacecraft 47 electrodynamics 47 microlensing technique 47 HUDF 47 ultracold atoms 47 neutrino oscillations 47 sunlike star 47 empiricists 47 Schrodinger equation 47 Milankovitch cycles 47 Chladni 47 Quantum Mechanics 46 starquakes 46 pulsar 46 moon Ganymede 46 transhumanists 46 red supergiants 46 submillimeter 46 quantum chromodynamics QCD 46 active galactic nucleus 46 Andromeda Galaxy 46 psychic phenomena 46 gravitationally bound 46 Pan STARRS 46 elusive Higgs boson 46 atomic nucleus 46 Heisenberg uncertainty principle 46 Comet Hale Bopp 46 complex mathematical equations 46 IceCube 46 chondrites 46 Io Europa 46 Tycho supernova 46 distant galaxy clusters 46 neutrino detectors 46 Gaensler 46 UA Steward Observatory 46 spiral galaxies 46 hypervelocity star 46 comet 46 theologians 46 x ray pulses 46 Venus transits 46 JDEM 46 partial differential equations 46 blackbody radiation 46 Astrobiologists 46 optical atomic clocks 46 exo planet 46 Magnetars 46 Riemann hypothesis 46 Copernican Principle 46 Martian craters 46 multiverse 46 radiometric dating 46 Palaeocene Eocene Thermal Maximum 46 astrobiologist 46 tiniest particles 46 interstellar cloud 46 Rydberg atom 46 dynamical 46 galaxies collide 46 PSR J# +# 46 debunkers 46 radioactive decay 46 exoplanets orbiting 46 Gliese #d 46 Enceladus 46 particle accelerator 46 quantum particle 46 Anaxagoras 46 cometary dust 46 German astronomer Johannes 46 hadron 46 Planetary scientists 46 galactic cosmic ray 46 positron 46 radial velocity technique 46 CoRoT 9b 46 Null Physics 46 Ordovician extinction 46 phlogiston 46 Kailash Sahu 46 SMBH 46 cosmic magnifying glass 46 homochirality 46 Mojzsis 46 superconductivity 46 dwarf spheroidal galaxies 46 Heisenberg Uncertainty Principle 46 Optical Gravitational Lensing Experiment 46 tungsten isotopes 46 energetic electrons 46 e MERLIN 46 microbial ecosystems 46 YORP effect 46 supersolid 46 Peony nebula star 46 protons collide 46 sunspots 46 Goldilocks planet 46 theoretical cosmology 46 gamma rays 46 Gell Mann 46 astrobiological 46 planetary geologists 46 Satyendra Nath Bose 46 proton radius 46 neutrino mass 46 fermion 46 red supergiant 46 Christophe Lovis 46 psychologist Daniel Kahneman 46 Coma Cluster 46 Hipparchus 46 celestial objects 46 antiferromagnets 46 weakly interacting 46 Seyfert galaxies 46 SINFONI 46 Poincaré conjecture 46 orbiting Hubble Space Telescope 46 colliding galaxies 46 geoneutrinos 46 exoplanetary systems 46 potentially habitable planets 46 lunar crust 46 Relativistic 46 GRB # 46 Brookhaven Relativistic Heavy 46 Keck Interferometer 46 hydrogen nuclei 46 rubidium atoms 46 Frank Wilczek 46 dirty snowballs 46 planet orbiting 46 WM Keck Observatory 46 Greg Delory 46 protostar 46 submillimetre wavelengths 46 asteroid impacts 46 planets orbiting sun 46 exoplanet orbiting 46 Mlodinow 46 Nicolaus Copernicus 46 nucleobases 46 invisibility cloaking 46 Smithsonian astronomer 46 ray Space Telescope 46 synchrotron 46 telescopic observations 46 planetary 46 Dirac equation 46 observationally 46 Nibiru 46 topological insulators 46 planets Uranus 46 extrasolar worlds 46 periodic oscillations 46 James Lovelock 46 Kip Thorne 46 particle detectors 46 osmium 46 Gravity Probe B 46 retrograde orbit 46 Cancri e 46 protostars 46 Riemann Hypothesis 46 synchrotron radiation 46 Bernhard Riemann 46 philosophers 46 superstring 46 electron beams 46 Active Galactic Nuclei 46 occultations 46 galactic alignment 46 planetoids 46 Schrödinger 46 biosignatures 46 Stephan Quintet 46 J# +# [002] 46 nebular 46 XMM Newton satellite 46 electron volt 46 mesons 46 plasmons 46 Newtonian mechanics 46 interstellar dust 45 meteoroid 45 LHCb 45 chiral metamaterials 45 Gödel 45 cosmologist Stephen Hawking 45 CoRoT 7b 45 Cygnus X 45 Murray Gell Mann 45 CERN experiments 45 protons 45 ultraluminous galaxy 45 blue supergiant 45 planetary embryos 45 Exoplanet 45 sodium atoms 45 habitable planet 45 spectroscopic measurements 45 Kuiper Belt object 45 evo devo 45 excitations 45 testable predictions 45 Budker 45 Upsilon Andromedae 45 muon 45 NASA STEREO 45 ion beams 45 Earths orbiting 45 Werthimer 45 planetary science 45 glaciologists 45 exobiology 45 Benoit Mandelbrot 45 XMM Newton observations 45 asteroid collisions 45 Ruvkun 45 relativistic particles 45 Milky Way Galaxy 45 neo Darwinism 45 ferromagnetism 45 GEO# 45 Schroedinger 45 nanomechanics 45 surface plasmons 45 Oort Cloud 45 interacting galaxies 45 kaons 45 pseudogap 45 Bullet Cluster 45 Evolution Explorer 45 comet nucleus 45 Nasa Kepler 45 Fermi LAT 45 protoplanets 45 MG J# +# 45 organic molecules 45 extraterrestrial civilization 45 Harlow Shapley 45 star Gliese 45 planet Gliese #g 45 proton collisions 45 zodiacal light 45 comets asteroids 45 photon fluorescence 45 Famed astrophysicist Stephen Hawking 45 Cosmic Background Explorer COBE 45 Antony Flew 45 Egyptologists 45 interstellar medium 45 frequency comb 45 renowned theoretical physicist 45 ion collisions 45 aurorae 45 fermionic condensate 45 theorems 45 Cosmic Background Explorer 45 excitons 45 CLG J# # 45 computer simulations 45 helium nuclei 45 Wolf Rayet stars 45 NASA Cosmic Background 45 CAIs 45 lunar perigee 45 radial velocity method 45 Gamma ray burst 45 Ockham razor 45 P/# A2 45 quasiparticles 45 SN Ia 45 prebiotic molecules 45 brown dwarf 45 quantum computing 45 Katlenburg Lindau Germany 45 NASA Far Ultraviolet 45 Kuiper Belt 45 Herschel telescope 45 Le Verrier 45 electron pairing 45 aether 45 verified experimentally 45 earthlike planets 45 microscopy technique