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(Click for frequent words.) 79 neutrino 70 cosmic rays 69 gamma rays 67 muons 67 subatomic particles 67 photons 66 WIMPs 66 positrons 65 Neutrinos 65 supernovae 64 gravitational waves 64 electron neutrinos 64 muon 64 atomic particles 63 solar neutrinos 63 neutrons 63 neutron star 62 antineutrinos 62 antimatter 62 quark gluon plasma 62 axions 62 distant galaxies 61 atomic nuclei 61 gamma ray bursts 61 quasars 61 quasar 60 atoms 60 tau neutrinos 60 muon neutrinos 60 gamma ray emission 60 protons 60 subatomic particle 60 B mesons 60 antiprotons 60 GRBs 60 galaxies 60 antiparticles 60 antiparticle 60 cosmic ray 60 hydrogen atoms 59 Gamma rays 59 cosmic ray particles 59 Higgs particle 59 supersymmetric particles 59 brown dwarfs 59 gamma ray burst 59 neutralinos 59 electrons 59 antihydrogen 59 gravitational lensing 59 magnetar 59 comets 59 alpha particles 59 X ray emission 59 quarks 59 galaxy clusters 59 supernova explosions 59 kaons 59 gravitons 58 Type Ia supernovae 58 sterile neutrino 58 AGNs 58 exoplanets 58 active galactic nuclei 58 magnetic fields 58 distant galaxy 58 electron beams 58 Higgs boson 58 antimatter particles 58 energetic electrons 58 neutrino beam 57 fermions 57 subatomic 57 gravitational radiation 57 supernova 57 planets 57 Hawking radiation 57 gravitational wave 57 hadrons 57 Gravitational waves 57 distant supernovae 57 particles 57 cosmic microwave background 57 Bose Einstein condensate 57 supernova explosion 57 galactic cosmic rays 57 particle accelerators 57 helium nuclei 57 quark 57 photon 57 hydrogen atom 56 redshift 56 distant quasars 56 extrasolar planets 56 relativistic particles 56 solar corona 56 cosmologists 56 astrophysical 56 neutron stars 56 interstellar clouds 56 GeV 56 Muons 56 particle beams 56 magnetic reconnection 56 particle physics 56 Higgs bosons 56 Alfvén waves 56 GJ #b [001] 56 exoplanets orbiting 56 particle acceleration 56 muon neutrino 56 extrasolar planetary systems 56 supermassive black hole 56 radioactive decay 56 neutrino particles 56 X ray pulses 56 supernovas 56 baryon 56 blazar 55 proton proton collisions 55 pulsar 55 GJ #b [002] 55 starburst galaxies 55 deuterium 55 Photons 55 Carina constellation 55 WASP #b 55 sodium atoms 55 HD #b [002] 55 B meson 55 water vapor 55 spacetime 55 exciton 55 blazars 55 substorms 55 shorter wavelengths 55 SN #gy 55 cosmic particles 55 astronomers 55 exoplanetary 55 magnetars 55 antiproton 55 interstellar medium 55 W boson 55 helium atoms 55 millisecond pulsar 55 gravitational lens 55 extrasolar 55 brown dwarf 55 rubidium atoms 55 Bose Einstein condensates 55 Higgs Boson particle 55 antihydrogen atoms 54 electron volts 54 gamma rays emitted 54 transiting planets 54 coronal mass ejections 54 observable universe 54 high temperature superconductivity 54 solar nebula 54 cosmic gamma rays 54 bosons 54 X ray photons 54 plasmons 54 ions 54 antineutrino 54 particles WIMPs 54 mesons 54 baryons 54 AB Aurigae 54 gravitational 54 RHIC 54 proton collisions 54 cosmic ray collisions 54 substorm 54 ultracold 54 asteroids 54 astrophysicists 54 quantum particle 54 planetary nebulae 54 galaxy 54 X ray wavelengths 54 spectroscopic 54 spiral galaxies 54 Alfven waves 54 nuclei 54 comet 54 interstellar dust 54 supersymmetry 54 gamma ray 54 dwarf galaxies 54 type Ia supernova 54 particle colliders 54 solar flares 54 comet nucleus 54 CERN LHC 54 galaxy cluster 53 type Ia supernovae 53 gravitational microlensing 53 strange quark 53 X ray telescopes 53 positron 53 atom smashers 53 redshifts 53 supermassive black holes 53 HD#b 53 pulsars 53 infrared radiation 53 radial velocity 53 Magnetars 53 rocky planets 53 general relativity 53 photons particles 53 accretion disk 53 Milky Way galaxy 53 noble gases 53 SN #A 53 X ray binaries 53 Fomalhaut b 53 supernova remnant 53 millisecond pulsars 53 TGFs 53 undiscovered particle 53 detect gravitational waves 53 attosecond 53 colliding protons 53 sterile neutrinos 53 planetesimals 53 Milky Way 53 hypervelocity stars 53 supernova remnants 53 neutrino oscillations 53 hot Jupiters 53 visible wavelengths 53 ejecta 53 Super Kamiokande 53 ionized gas 53 ULIRGs 53 superfluid 53 Lyman alpha 53 organic molecules 53 afterglows 53 protoplanetary disk 53 geoneutrinos 53 magnetic flux 53 noctilucent clouds 53 Antennae Galaxies 53 massless particles 53 pions 53 nucleon 52 laser pulses 52 surface plasmons 52 Eta Carinae 52 Saturn magnetosphere 52 quantum tunneling 52 magnetic monopoles 52 solitons 52 globular clusters 52 weakly interacting 52 elliptical galaxies 52 faraway galaxies 52 nucleons 52 ultraviolet wavelengths 52 distant quasar 52 Henize #-# 52 chemical reactions 52 nebulae 52 optical wavelengths 52 microquasar 52 Type Ia supernovas 52 galactic disk 52 XMM Newton 52 permanently shadowed craters 52 exo planets 52 exoplanet 52 reionization 52 electron neutrino 52 neutrino detectors 52 Virgo Cluster 52 sunlike stars 52 God Particle 52 magnetospheric 52 quantum entanglement 52 quantum mechanical 52 SUSY 52 interstellar dust clouds 52 galaxy formation 52 electron 52 cosmic neutrinos 52 photons emitted 52 HM Cancri 52 Cosmic rays 52 terrestrial planets 52 neutrino detector 52 gravitational interactions 52 outer planets 52 spherically symmetric 52 excitons 52 IceCube 52 Earthlike planets 52 KBOs 52 magnetosphere 52 neutrino oscillation 52 supersolid 52 intrinsic brightness 52 energetic gamma rays 52 cosmic phenomena 52 Type Ia supernova 52 Astrophysicists 52 dwarf galaxy 52 Hubble observations 51 W bosons 51 hydrogen nuclei 51 phonon 51 interferometry 51 CMB photons 51 neutralino 51 coronal loops 51 Brookhaven Relativistic Heavy 51 KamLAND 51 Rydberg atom 51 colliders 51 super Earths 51 cosmological constant 51 boson 51 LHC experiments 51 nucleosynthesis 51 ionise 51 interstellar dust grains 51 electrons protons 51 protostar 51 phonons 51 GRB #B 51 detect gamma rays 51 pseudogap 51 electron volt 51 deuterium atoms 51 Quarks 51 planets orbiting distant 51 Higgs boson particle 51 ESA XMM Newton 51 gaseous planet 51 matter antimatter asymmetry 51 globulars 51 Beta Pictoris b 51 Supernovae 51 Type 1a supernovae 51 globular cluster 51 Higgs Boson 51 Gliese #d 51 faint galaxies 51 fermion 51 Saturn rings 51 Gliese #c 51 Cosmic Microwave Background 51 optical telescopes 51 luminous galaxies 51 Cosmic Microwave Background CMB 51 Enceladus 51 astronomical objects 51 red supergiant 51 planets orbiting 51 Kuiper Belt Objects 51 axion 51 neutron 51 accretion disks 51 silicon monoxide 51 proton 51 exoplanet orbiting 51 evanescent waves 51 magnetotail 51 superconducting materials 51 extrasolar planet 51 Neutron stars 51 silicate dust 51 fainter objects 51 gamma ray photons 51 VY Canis Majoris 51 nanocrystals 51 antiquarks 51 meteoroids 51 X ray binary 51 aurorae 51 comets orbiting 51 Corot 9b 51 D meson 51 GRB # 50 gluon 50 meson 50 Higgs singlet 50 gamma ray flares 50 Cepheids 50 supermassive 50 radial velocity method 50 cosmological distances 50 merging galaxies 50 photosphere 50 quantum mechanics 50 Earth magnetosphere 50 astrophysical phenomena 50 Cherenkov radiation 50 chondrules 50 antimatter atoms 50 CoRoT 7b 50 CMEs 50 baryonic 50 Bullet Cluster 50 protons collide 50 astrophysical objects 50 wavelengths 50 tholins 50 Andromeda Galaxy 50 CMB radiation 50 impactors 50 optical lattices 50 detect neutrinos 50 quantum particles 50 leptons 50 Milky Way Galaxy 50 macroscopic objects 50 theoretical particle 50 supersymmetric 50 bosonic 50 missing baryons 50 Oort Cloud 50 krypton 50 novae 50 neutron spectrometer 50 Arches Cluster 50 microlensing 50 helium ions 50 Earthlike planet 50 Gamma ray bursts 50 particle 50 galaxies collide 50 diffract 50 Upsilon Andromedae 50 tau neutrino 50 quantum gravity 50 Mandushev 50 molecules 50 attosecond pulses 50 cometary dust 50 metallicity 50 high temperature superconductors 50 RHESSI 50 neutrino mass 50 corona 50 Coma Cluster 50 gravitationally bound 50 Bose Einstein condensation 50 Epsilon Eridani 50 Raman scattering 50 icy comets 50 supergiant star 50 blue supergiant 50 entangled quantum 50 particle beam 50 particle collisions 50 J# +# [002] 50 superfluids 50 ultracold atoms 50 planet HD #b 50 galactic clusters 50 femtoseconds 50 particle detectors 50 ionized particles 50 weak gravitational lensing 50 lensing galaxy 49 Fermi telescope 49 terahertz waves 49 planet orbiting 49 MG J# +# 49 exo planet 49 coronal mass ejections CMEs 49 Hanny Voorwerp 49 quasiparticles 49 physicists 49 gravitationally 49 auroras 49 Hot Jupiters 49 GJ#b 49 red supergiants 49 RXTE 49 smallest exoplanet 49 infall 49 Astrophysical 49 Cosmologists 49 planets orbits 49 distant supernovas 49 molten iron 49 relativistic 49 WMAP 49 X ray observatories 49 Supernova #A 49 COROT 49 extragalactic 49 Gal Yam 49 NASA Wilkinson Microwave 49 VLTI 49 auroral 49 Venusian atmosphere 49 Earths orbiting 49 electron positron 49 elongated orbits 49 magma ocean 49 VHE gamma rays 49 radiative 49 neutrino experiments 49 high redshift galaxies 49 antihelium 4 49 proton proton 49 spectroscopic analysis 49 Gravitational lensing 49 Earthlike 49 astronomical observations 49 spectroscopic measurements 49 UDFy # 49 earthlike planets 49 galaxy M# [002] 49 ultraviolet photons 49 icy moons 49 Exoplanet 49 MINOS detector 49 Geminga 49 dwarf spheroidal galaxies 49 superluminal 49 quantum mechanically 49 quantum correlations 49 ion collisions 49 superfluid helium 49 gravitational lenses 49 exosphere 49 neutron beam 49 plasmonic 49 mantle plumes 49 photochemical reactions 49 polaritons 49 stellar occultations 49 gamma ray telescopes 49 protoplanetary disks 49 circumstellar 49 Orion Nebula 49 RS Ophiuchi 49 Distant galaxies 49 Andromeda galaxy 49 masers 49 stellar nurseries 49 spicules 49 superconductivity 49 luminosity 49 Big Bang 49 helium atom 49 proton decay 49 BP Psc 49 planet orbits 49 particle smasher 49 GRB# 49 Cygnus X 49 interacting galaxies 49 infalling 49 electronvolts 49 magnetization 49 ion beams 49 excitations 49 emit X rays 49 Corot 7b 49 tiniest particles 49 photonic crystal 49 Trojan asteroids 49 extrasolar planets orbiting 49 X ray Observatory 49 X ray afterglow 49 picosecond 49 carbonate minerals 49 planemos 49 hydrogen helium 49 Kuiper belt 48 hydroxyl molecules 48 sonoluminescence 48 meteoritic material 48 hydrogen ions 48 spectroscopic observations 48 Rayleigh scattering 48 planet magnetosphere 48 Solar System 48 X ray spectrometer 48 NASA Chandra 48 cosmic 48 Weakly Interacting Massive Particles 48 diamagnetic 48 Wolszczan 48 ionised 48 dye molecules 48 Fermilab Tevatron 48 starburst galaxy 48 gamma ray observatory 48 BP Piscium 48 Saturnian moon 48 Iapetus 48 Bose Einstein Condensate 48 mesosphere 48 proto galaxies 48 Proxima Centauri 48 microwave radiation 48 comet Wild 48 planets circling 48 gluons 48 Type Ia 48 aerosol particles 48 Oort cloud 48 infrared photons 48 electron positron pairs 48 Omega Centauri 48 strange quarks 48 wavefunction 48 proton antiproton 48 transiting planet 48 oxygen ions 48 relativistic protons 48 atomic nucleus 48 SN #E 48 Magellanic Clouds 48 phyllosilicates 48 TrES 4 48 x ray pulses 48 Jupiter magnetosphere 48 infrared wavelengths 48 gravitational redshift 48 constellation Carina 48 photochemistry 48 photonic crystals 48 sunspot activity 48 particle physics experiments 48 diffraction patterns 48 Wolf Rayet star 48 periodic dimming 48 Fermions 48 planetary nebula 48 elliptical galaxy 48 neutron beams 48 superheavy elements 48 tokamak 48 entangled photons 48 stellar occultation 48 planets orbiting sun 48 millimeter wavelengths 48 MINOS 48 GZK cutoff 48 Doppler shifts 48 accreting 48 superconducting 48 redshifted 48 MiniBooNE 48 silicates 48 cosmic radiation 48 radial velocity technique 48 nanoantennas 48 comet dust 48 Bug Nebula 48 superfluidity 48 electroweak 48 particle astrophysics 48 WHIM 48 supermassive stars 48 Kuiper belt objects 48 oscillations 48 soliton 48 Neutrons 48 spectra 48 celestial bodies 48 diffraction 48 Keck Interferometer 48 Gliese #g 48 permanently shadowed 48 Very Large Telescope 48 keV 48 habitable planets 48 jovian 48 polarimetry 48 cryovolcanism 48 rotating neutron stars 48 topological insulators 48 superdense 48 V# Mon 48 filamentary structure 48 gravitational attraction 48 WMAP satellite 48 electric dipole 48 circumstellar disks 48 nebular 48 CAIs 47 LSND 47 plasmon 47 DZero experiment 47 Suzaku 47 asteroid 47 Cepheid variables 47 retrograde orbits 47 gaseous 47 baryonic matter 47 electron orbits 47 vortices 47 MeV 47 strangelets 47 Einstein theory 47 spatially resolved 47 neutral mass spectrometer 47 osmium 47 femtosecond timescale 47 heliosphere 47 P/# A2 47 cuprates 47 interstellar space 47 magnetic monopole 47 nebula 47 supernovae explosions 47 orbital angular momentum 47 Fermilab accelerator 47 Particle physics 47 microlensing events 47 active galactic nucleus 47 superstrings 47 terahertz radiation 47 Mercury magnetosphere 47 quasicrystal 47 cosmic ray protons 47 Noctilucent clouds 47 VIRTIS 47 Exoplanets 47 Laser Interferometer Gravitational Wave 47 planetary transits 47 ENAs 47 foreground galaxy 47 Gliese #e 47 comets asteroids 47 ferromagnetic 47 constellation Ursa Major 47 Astrophysics Cambridge Mass. 47 rubidium vapor 47 ultracold temperatures 47 meteoroid 47 KH #D 47 Crab Nebula 47 occultations 47 ray Space Telescope 47 orbiting 47 sparticles 47 RS Oph 47 seismic waves 47 magnetisation 47 protoplanets 47 thermonuclear reactions 47 ultraluminous galaxy 47 singularities 47 Goldilocks planet 47 NEAs 47 ionized hydrogen 47 globular star 47 Supersymmetry 47 laser pulse 47 Electrons 47 electron electron 47 positronium atoms 47 olivine 47 multipartite entanglement 47 strangelet 47 nanobubbles 47 sunlike star 47 ultracold gases 47 #gy 47 star Gliese 47 ATLAS detector 47 Antimatter 47 absorb neutrons 47 superconductor 47 proton antiproton collisions 47 Hubble Constant 47 electron spin 47 electrons orbiting 47 theoretical calculations 47 potassium atoms 47 Astronomers 47 THz radiation 47 gravitational tides 47 moonlets 47 quantum phenomena 47 cosmological theories 47 qubits 47 Galilean moons 47 X ray spectroscopy 47 Earths 47 Voorwerp 47 pentaquark 47 dynamical evolution 47 confocal microscopy 47 proplyds 47 Spitzer infrared spectrograph 47 protoplanet 47 EPOXI 47 lunar crust 47 constellation Aquarius 47 emitting gamma rays 47 cesium atoms 47 CoRoT 9b 47 constellation Cassiopeia 47 picoseconds 47 orbiting planets 47 millionths 47 HL Tau 47 Planck satellite 47 Milky Way halo 47 superlens 47 energetic cosmic rays 47 Einstein cosmological constant 47 SNe 47 Bose Einstein 47 particle physicists 47 Jupiter moon Io 47 uncharged particles 47 submillimetre 47 spectroscopy 47 coronal mass ejection 47 runaway thermonuclear 47 galactic 47 hypernova 47 electron spins 47 Betelgeuse 47 dipole moment 47 particle accelerator 47 particles emitted 47 coronagraph 47 planets astronomers 47 electrodynamics 47 X ray observatory 47 spiral galaxy 47 Jupiter moons 47 pion 47 Microlensing 46 Cerenkov radiation 46 Comet Hartley 2 46 Crab Pulsar 46 volcanism 46 interferometers 46 anisotropy 46 numerical simulations 46 Red Rectangle 46 interstellar 46 constellation Hercules 46 coronal heating 46 zeolites 46 planets orbiting stars 46 Earth asteroids 46 -# degrees Celsius [001] 46 HD# [002] 46 TrES 46 millimeter wavelength 46 nucleobases 46 photometer 46 cometary material 46 CDMS experiment 46 barred spiral galaxy 46 fermionic 46 SN#A 46 Tempel 1 46 elliptical orbits 46 ionize 46 earthshine 46 spiral galaxy NGC 46 fundamental constants 46 hadron 46 cosmic strings 46 gamma ray bursts GRBs 46 silicate minerals 46 collisional 46 spectroscope 46 X ray emitting 46 eclipsing binary 46 lunar craters 46 submillimeter 46 celestial object 46 CERN experiments 46 nanoscale 46 quantum theory 46 Wilkinson Microwave Anisotropy Probe 46 earths 46 isotopic ratios 46 Cassini ion 46 filaments 46 Sagittarius dwarf galaxy 46 gamma radiation 46 Saturn aurora 46 GALEX 46 extraterrestrial civilizations 46 Heisenberg uncertainty principle 46 spectral signatures 46 Beta Pictoris 46 deuterium nuclei 46 prebiotic molecules 46 dense neutron stars 46 Z boson 46 inhomogeneities 46 aether 46 electron volts eV 46 Bok globules 46 Kailash Sahu 46 antiferromagnets 46 protoplanetary discs 46 photoelectric effect 46 radiative cooling 46 thermonuclear fusion 46 STEREO spacecraft 46 microwave photons 46 electrons positrons 46 abiogenesis 46 MINOS experiment 46 Dark Matter 46 fission reactions 46 Einstein equations 46 quanta 46 brightest supernova 46 quasiparticle 46 polar caps 46 chromosphere 46 Super Earths 46 electrons emitted 46 atmospheric neutrinos 46 ionization 46 optical interferometry 46 sulfur isotope 46 frequency electromagnetic waves 46 colliding galaxies 46 Ring Nebula 46 cosmological 46 circularly polarized light 46 smashing protons 46 Rydberg atoms 46 starquakes 46 meridional flow 46 Elliptical galaxies 46 electromagnetic waves 46 exoplanetary systems 46 Toutatis 46 comet orbit 46 BaBar experiment 46 ultrashort laser pulses 46 graviton 46 SCP #F# 46 ultrashort pulses 46 XTE J# 46 cometary 46 ESO VLT 46 Pluto Charon 46 Saturn moon Enceladus 46 galaxy redshift 46 dynamical 46 scintillator 46 Heisenberg Uncertainty Principle 46 interstellar particles 46 Cancri e 46 nonlinear optics 46 terahertz 46 heliosheath 46 RRATs 46 planets moons 46 Pieter van Dokkum 46 exerts gravitational pull 46 SN #D 46 lepton 46 galaxy NGC 46 neutron scattering 46 retrograde orbit 46 cosmic collisions 46 Physicists 46 spectroscopically 46 orbits 46 gravitational interaction 46 martian atmosphere 46 fission 46 HARPS instrument 46 protons neutrons 46 metamaterials 46 Delta Cephei 46 electron scattering 46 superheavy element 46 cosmic microwave radiation 46 Kuiper Belt Object 46 CERN Large Hadron 46 photon energies 46 hydrides 46 Magellanic Stream 46 Optical tweezers 46 ARPES 46 Hipparcos 46 colloidal particles 46 neutrino experiment 46 subsurface ocean 46 alpha particle 46 hydrogen