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(Click for frequent words.) 70 positrons 68 muon 67 neutrinos 67 antiprotons 66 antineutrinos 65 antiproton 65 neutrons 65 electron neutrinos 65 antiparticle 64 antiparticles 64 hydrogen atoms 64 cosmic rays 64 B mesons 63 photons 63 pions 63 neutrino 63 protons 63 mesons 63 energetic electrons 63 cosmic ray particles 62 electrons 62 subatomic particles 62 helium atoms 62 atomic particles 62 muon neutrinos 61 electron beams 61 gamma rays 61 distant supernovae 61 kaons 61 atoms 61 antihydrogen 61 interstellar clouds 61 atomic nuclei 61 antihydrogen atoms 61 neutralinos 61 WIMPs 61 positron 61 helium nuclei 61 fermions 61 tau neutrinos 60 Higgs bosons 60 particle beams 60 antimatter particles 60 baryon 60 rubidium atoms 60 polaritons 60 B meson 60 millisecond pulsars 60 blazar 60 supersymmetric particles 60 phonons 60 electron neutrino 60 excitons 60 subatomic particle 60 hydrogen nuclei 59 relativistic particles 59 Muons 59 Neutrinos 59 exoplanets orbiting 59 nuclei 59 electrons protons 59 strange quarks 59 brown dwarfs 59 galactic disk 59 magnetic flux 59 electrons positrons 59 magnetar 59 hadrons 59 proton proton collisions 59 gravitons 59 cosmic ray 59 gravitational wave 59 colliding protons 59 geoneutrinos 59 X ray pulses 59 nucleons 58 gravitational waves 58 W bosons 58 X ray binaries 58 GeV 58 alpha particles 58 axions 58 solar neutrinos 58 sodium atoms 58 hydrogen atom 58 dipole moment 58 W boson 58 galactic cosmic rays 58 plasmons 58 photon 58 gamma rays emitted 58 excitations 58 Cherenkov radiation 58 protons collide 58 gamma ray photons 58 helium ions 57 Gamma rays 57 particles 57 emit X rays 57 planetesimals 57 active galactic nuclei 57 X ray photons 57 particle detectors 57 exciton 57 quark gluon plasma 57 shorter wavelengths 57 merging galaxies 57 magnetic monopole 57 magnetars 57 Bose Einstein condensates 57 ions 57 D meson 57 Rydberg atom 57 superfluids 57 THz radiation 57 superfluid 57 fermion 57 GJ #b [002] 57 energetic gamma rays 57 antineutrino 57 quantum tunneling 57 quantum mechanically 57 accretion disks 57 attosecond 57 AGNs 56 gamma ray emission 56 quasars 56 emit photon 56 ionize 56 nucleon 56 gravitational microlensing 56 phonon 56 quantum particle 56 deuterium 56 protostar 56 distant quasars 56 neutron star 56 neutron spectrometer 56 spherically symmetric 56 electron 56 proton 56 aerosol particles 56 electrons orbiting 56 X ray emission 56 SUSY 56 bosons 56 detect gravitational waves 56 Cosmic rays 56 laser pulses 56 meson 56 strange quark 56 hydrogen ions 56 Alfvén waves 56 dye molecules 56 Raman scattering 56 magnetic monopoles 56 magnetic fields 56 unpolarized 56 galaxy clusters 56 Kuiper belt objects 56 Gravitational waves 56 transiting planets 56 substorm 56 microlensing events 56 Doppler shifts 56 silicon monoxide 56 photons emitted 56 ionized gas 56 backscattered 56 supernova explosions 56 colliders 55 deuterium atoms 55 bosonic 55 circular orbits 55 periodic dimming 55 Saturn rings 55 cosmic ray collisions 55 millisecond pulsar 55 muon neutrino 55 terahertz waves 55 quasiparticles 55 spherical particles 55 optical wavelengths 55 electron volt 55 elongated orbits 55 AB Aurigae 55 ionized particles 55 massless particles 55 starburst galaxies 55 gravitationally 55 polarimetry 55 Lyman alpha 55 dwarf galaxy 55 baryons 55 electron orbits 55 infrared photons 55 KBOs 55 rotating neutron stars 55 Bullet Cluster 55 gravitationally bound 55 X ray wavelengths 55 cesium atoms 55 electrons emitted 55 Higgs singlet 55 planets orbits 55 type Ia supernova 55 intrinsic brightness 55 picosecond 55 ejecta 55 rubidium vapor 55 microquasar 55 gravitational radiation 55 MeV 55 supersolid 55 sterile neutrino 55 V# Mon 55 potassium atoms 55 exoplanets 55 CMB radiation 55 Epsilon Eridani 55 Arches Cluster 55 HD#b 55 Alfven waves 55 interstellar dust grains 54 blue supergiant 54 Bose Einstein Condensate 54 interstellar dust 54 ionised 54 cosmic phenomena 54 circumstellar 54 ionise 54 lithium atoms 54 fluorescent molecules 54 photosphere 54 neutrino oscillation 54 cuprates 54 CMEs 54 electron spins 54 proton collisions 54 surface plasmons 54 proton antiproton collisions 54 moonlets 54 sterile neutrinos 54 luminous galaxies 54 ion beams 54 quantum oscillations 54 synchrotron x ray 54 gamma ray photon 54 Bose Einstein condensate 54 MG J# +# 54 electron pairing 54 particle 54 interstellar dust clouds 54 femtosecond pulses 54 ionization 54 diffracted 54 antimatter 54 diamagnetic 54 oxygen ions 54 antihelium 4 54 relativistic protons 54 quarks 54 Type Ia supernovae 54 emit photons 54 diffract 54 Higgs particle 54 fainter objects 54 Neutron stars 54 supermassive black hole 54 wavefunction 54 oxygen atoms 54 superfluid helium 54 ENAs 54 lepton 54 neutron beam 54 photochemical reactions 54 X ray telescopes 54 keV 54 weakly interacting 54 optical lattices 54 meteoritic material 54 radial velocity 54 interstellar particles 54 WASP #b 54 supercurrent 54 plasmon 54 protoplanetary disk 54 ionized 54 Brookhaven Relativistic Heavy 54 electron volts 54 cosmic gamma rays 54 detect gamma rays 54 electron positron 54 electron pairs 54 HD #b [002] 54 magnons 54 chondrules 54 photonic crystal 54 gravitational lensing 54 Fermions 54 gravitational interactions 54 radioactive decay 54 diffraction patterns 54 superlattice 54 TGFs 54 solitons 54 infalling 54 interacting galaxies 54 vortices 54 distant galaxies 54 SN #A 54 gluon 54 blazars 54 electrons behave 54 silicate dust 54 impactors 54 magnetization 54 neutron beams 54 supernovae 54 trimers 53 leptons 53 Antennae Galaxies 53 superlens 53 pulsar 53 Bose Einstein condensation 53 helium atom 53 X ray binary 53 magnetic reconnection 53 gravitational attraction 53 evanescent waves 53 jovian 53 Fermi LAT 53 dimers 53 RRATs 53 exoplanetary 53 galaxies 53 Magnetars 53 planetary nebulae 53 ionizing 53 comet Tempel Tuttle 53 matter antimatter asymmetry 53 ionised gas 53 RS Ophiuchi 53 globular clusters 53 solar corona 53 meteoroids 53 boson 53 supermassive black holes 53 pulsars 53 neutrino detectors 53 photoemission 53 antiquarks 53 particle acceleration 53 planetary transits 53 spectroscopic analysis 53 gamma ray flares 53 cometary material 53 redshifts 53 icy comets 53 colloidal particles 53 antihelium 53 alkali atoms 53 magnetisation 53 weak gravitational lensing 53 infrared laser beams 53 Cosmic ray 53 CMB photons 53 HM Cancri 53 silicates 53 proton proton 53 GRBs 53 attosecond pulses 53 quantum particles 53 particles WIMPs 53 Crab Pulsar 53 nanocrystals 53 Corot 9b 53 femtoseconds 53 supernova explosion 53 tau neutrino 53 Fomalhaut b 53 distant quasar 53 neutrino particles 53 neutron 53 femtosecond timescale 53 orbital angular momentum 53 microwave photons 53 photon energies 53 oscillations 53 visible wavelengths 53 exo planets 53 microlensing 53 exosphere 53 planemos 53 entangled quantum 53 extrasolar 53 radial velocity method 53 CERN LHC 53 noble gases 53 magnetic excitations 53 stellar occultation 53 Einstein equations 53 bilayer graphene 52 fermionic atoms 52 J# +# [002] 52 Henize #-# 52 Rydberg atoms 52 gravitational redshift 52 ions atoms 52 neutralino 52 entangled photons 52 quasar 52 inhomogeneities 52 absorption spectra 52 afterglows 52 SINFONI 52 electron diffraction 52 photocurrent 52 quark 52 carbonate minerals 52 oppositely charged 52 VLTI 52 Eta Carinae 52 photonic crystals 52 Z boson 52 ultracold atoms 52 VY Canis Majoris 52 sunlike stars 52 stellar occultations 52 sparticles 52 electric dipole 52 spectroscope 52 spicules 52 particle beam 52 dipolar 52 dwarf galaxies 52 foreground galaxy 52 energetic cosmic rays 52 high temperature superconductivity 52 supernova remnants 52 neutral mass spectrometer 52 accretion disk 52 asteroids 52 linearly polarized 52 starquakes 52 ferromagnetic 52 Gamma ray bursts 52 substorms 52 cometary dust 52 radiative cooling 52 nanopillars 52 photons particles 52 terahertz radiation 52 subatomic 52 Upsilon Andromedae 52 x ray pulses 52 magnetosphere 52 Earth ionosphere 52 HARPS instrument 52 Saturn magnetosphere 52 extrasolar planets 52 axion 52 Hawking radiation 52 gravitational lens 52 ultracold 52 water vapor 52 elliptical galaxies 52 rocky planets 52 Oort Cloud 52 hydrogen helium 52 nanomagnets 52 ATLAS detector 52 graphene layers 52 interstellar medium 52 rotational axis 52 hadron 52 gamma ray 52 electromagnetic flux 52 photoionization 52 electron positron pairs 52 Carina constellation 52 galactic bulge 52 galaxy cluster 52 type Ia supernovae 52 hypervelocity stars 52 circularly polarized light 52 gravitational 52 binary asteroids 52 UV photons 52 electromagnetic waves 52 supernova remnant 52 comets orbiting 51 nanoantennas 51 electronic excitations 51 ultrashort pulses 51 spectroscopic 51 proton beams 51 brown dwarf 51 VHE gamma rays 51 lensing galaxy 51 neutrino beam 51 electron scattering 51 tholins 51 silicon atoms 51 Red Rectangle 51 crystalline silicates 51 spectrographs 51 spiral galaxies 51 SN #gy 51 spectroscopic techniques 51 bolometers 51 HESS telescopes 51 dopant atoms 51 Cassini ion 51 ultraviolet wavelengths 51 conduction electrons 51 cobalt atom 51 LHC accelerator 51 SN#A 51 organic molecules 51 solar nebula 51 vibrational modes 51 cuprate 51 absorbs photons 51 sulfate aerosols 51 alpha particle 51 nanobubbles 51 diffraction pattern 51 photon pairs 51 photosystem 51 photoelectron 51 superheavy elements 51 dimensional electron 51 planets orbiting 51 CAIs 51 cosmic strings 51 eclipsing binary 51 RXTE 51 distant supernovas 51 KamLAND 51 Bosons 51 Higgs boson particle 51 Rossby waves 51 soliton 51 strangelets 51 uncharged particles 51 comets 51 Mott insulator 51 planet HD #b 51 quasiparticle 51 magnetic dipole 51 linearly polarized light 51 relativistic speeds 51 electron spin 51 dipole magnets 51 nanoprobe 51 ferromagnet 51 waveguides 51 globulars 51 BaBar experiment 51 infall 51 Bessel beam 51 multipartite entanglement 51 red supergiant 51 Photons 51 retrograde orbits 51 ab initio calculations 51 magnetospheric 51 resonance frequency 51 phosphorus atoms 51 polariton 51 macroscopic objects 51 cesium ions 51 orbitals 51 gamma ray bursts 51 tetrahedra 51 oppositely directed 51 refractive indices 51 X ray spectroscopy 51 Mercury magnetosphere 51 Maxwell equations 51 chiral molecules 51 galactic cores 51 cosmological distances 51 scanning electron microscopes 51 quasicrystal 51 ionized gases 51 hydrogens 51 dynamical evolution 51 terrestrial planets 51 galaxy redshift 51 Bug Nebula 51 X ray observatories 51 silica nanoparticles 51 submillimeter wavelengths 51 quantum correlations 51 RHESSI 51 Rayleigh scattering 51 extrasolar planetary systems 51 ultraviolet photons 51 transiting planet 51 Type Ia supernova 51 dwarf spheroidal galaxies 51 Brownian motion 51 Cepheids 51 galactic clusters 51 noctilucent clouds 51 luminosities 51 interferometers 51 Iapetus 51 X rays gamma rays 51 electron tunneling 51 Dirac fermions 51 protons neutrons 51 planet orbiting 51 galaxies collide 51 baryonic 51 Io volcanoes 51 retrograde orbit 51 WHIM 51 exoplanet orbiting 51 FRET 51 Kuiper Belt Objects 51 invisibility cloaking 51 ARPES 51 ion collisions 50 magnetic anisotropy 50 Orionids 50 Wolf Rayet star 50 spherules 50 fermionic 50 antiferromagnets 50 rubidium atom 50 charm quark 50 scintillator 50 neutron stars 50 Type 1a supernovae 50 spatially resolved 50 molecular orbitals 50 gamma ray burst 50 faint galaxies 50 emits photons 50 quasicrystals 50 millimeter wavelength 50 atom smashers 50 electron volts eV 50 quantum cascade laser 50 Super Kamiokande 50 fluorescence microscope 50 SN #E 50 x ray scattering 50 chromosphere 50 Earth magnetosphere 50 supergiant stars 50 quantum cascade lasers 50 comets asteroids 50 Hanny Voorwerp 50 wavelengths 50 proto planetary disk 50 superconducting 50 beryllium ion 50 baryonic matter 50 Fermilab Tevatron 50 superpositions 50 distant galaxy 50 superconducting materials 50 radiative 50 molten magma 50 photon beam 50 X ray beams 50 proton particles 50 microwave photon 50 spectral fingerprint 50 cosmic radiation 50 spherical nanoparticles 50 helical structures 50 super Earths 50 superconductor 50 coronal mass ejections 50 nanoclusters 50 Neutrons 50 extrasolar planet 50 planets orbiting distant 50 molecules 50 Jupiter magnetosphere 50 photocatalysts 50 radial velocity technique 50 photomultiplier tubes 50 Evolution Explorer 50 circumstellar disks 50 photometry 50 APXS 50 moonlet 50 heavy fermion 50 protoplanetary disks 50 millimeter wavelengths 50 photon beams 50 planetary orbits 50 Feshbach resonance 50 coronal loop 50 silicate rocks 50 infrared radiation 50 BP Piscium 50 cosmic particles 50 catalytically active 50 redshift 50 gold nanorods 50 Orionid 50 strontium atoms 50 Virgo Cluster 50 gamma ray detectors 50 particle physics experiments 50 optical lattice 50 laser irradiation 50 gamma ray observatory 50 nanomotors 50 observable universe 50 magnetopause 50 absorption spectroscopy 50 nanoprobes 50 photoluminescence 50 photon fluorescence 50 enthalpy 50 CoRoT 9b 50 quantum superposition 50 fluorescing 50 copper oxide superconductors 50 chromophores 50 GALEX 50 colloidal crystals 50 nitrogen atoms 50 Coma Cluster 50 rubidium 50 ULIRGs 50 crystal lattices 50 fluorophores 50 infrared laser pulses 50 infrared spectrometers 50 Adam Riess 50 antimatter particle 50 electron bunches 50 sunlike star 50 Bok globules 50 microcavities 50 Wolszczan 50 runaway thermonuclear 50 planet orbits 50 magnetotail 50 filamentary structure 50 Relativistic 50 Mössbauer 50 reionization 50 proton neutron 50 Comet Tempel Tuttle 50 Supernova #A 50 magnesium ions 50 micelles 50 orbiting planets 50 spectral signatures 50 THEMIS satellites 50 GRB #B 50 Gal Yam 50 jet contrails 50 relativistic jets 50 GJ#b 50 globular cluster 50 reactants 50 planet magnetosphere 50 PSR J# +# 50 millivolts 50 BECs 50 bilayer 50 protoplanets 50 spacetime 50 IceCube 50 high temperature superconductors 50 superluminal 50 occultations 50 nanorod 50 undiscovered particle 50 BP Psc 50 protons electrons 50 pseudogap 50 highly elliptical orbits 50 comet dust 50 lunar crust 50 TrES 4 50 semiconducting material 50 Microlensing 50 elliptical galaxy 50 angular momentum 50 lunar craters 50 particle accelerators 50 God Particle 50 astrometry 49 meridional flow 49 proton antiproton 49 astrophysicists 49 gravitational interaction 49 filamentary 49 HD# [002] 49 graviton 49 antiparallel 49 diatomic 49 galactic halo 49 highly collimated 49 Earthlike planets 49 particle colliders 49 surface plasmon 49 Astrophysical 49 KH #D 49 infrared laser beam 49 osmium 49 indium arsenide 49 positronium atoms 49 terahertz frequency 49 LHC experiments 49 topological insulator 49 terahertz rays 49 Magellanic Clouds 49 proto galaxies 49 solar minima 49 ionizes 49 particle collisions 49 bismuth telluride 49 COROT 49 nanobacteria 49 interstellar dust particles 49 decoherence 49 DZero 49 nanotube 49 ionisation 49 meteoroid impacts 49 laser speckle 49 cosmic microwave background 49 Venusian atmosphere 49 mesosphere 49 ecliptic 49 auroral 49 infalling gas 49 antimatter atoms 49 precess 49 toroid 49 Cold Dark Matter 49 magnetic polarity 49 active galactic nucleus 49 coronal mass ejections CMEs 49 comet nucleus 49 valence electrons 49 comet tail 49 controllably 49 scanning tunneling microscopes 49 quantum dots 49 photon absorption 49 polar vortex 49 Cerenkov radiation 49 asteroidal 49 earthshine 49 astronomers 49 superstrings 49 astrophysical objects 49 ceria 49 Spitzer infrared 49 radar interferometry 49 supernovae explosions 49 attosecond pulse 49 micrometre sized 49 comet orbit 49 3He 49 topological insulators 49 X ray emitting 49 cosmic ray protons 49 chalcogenides 49 superconductivity 49 conventional superconductors 49 synchrotron X ray 49 entangled qubits 49 coronal mass ejection 49 interparticle 49 impactor spacecraft 49 laser pulse 49 Higgs Boson particle 49 inelastic scattering 49 Virgo cluster 49 exo planet 49 magnetization reversal 49 Hawking Radiation 49 diffracting 49 pion 49 electronvolts 49 spinning pulsar 49 gravitational lenses 49 frequency electromagnetic waves 49 diffraction grating 49 transmission electron microscope 49 NASA Wilkinson Microwave 49 Noctilucent clouds 49 vibrational frequency 49 Tempel Tuttle 49 coronal loops 49 GJ #b [001] 49 smallest exoplanet 49 HIRES spectrometer 49 Doppler measurements 49 V# Sgr 49 frequency comb 49 neutron radiation 49 planetary nebula 49 hydrophobic molecules 49 californium 49 olivine 49 Cancri e 49 gaseous planet 49 x ray beam 49 supermassive 49 stellar seismology 49 Fermi telescope 49 nucleosynthesis 49 emit gamma rays 49 cuprate superconductors 49 meteoroid 49 spin excitations 49 atomic nucleus 49 X ray beam 49 asymptotic freedom 49 optical telescopes 49 single photon detectors 49 photomultiplier tube 49 CoRoT 7b 49 Sagittarius dwarf galaxy 49 planets 49 ionized molecules 49 supernova 49 fluorescent probes 49 sonoluminescence 49 SNe 49 earthlike planets 49 proplyds 49 gravitational wobbles 49 Geminga 49 supersymmetry 49 faraway galaxies 49 mantle plumes 49 nanomesh 49 planets atmospheres 49 Optical tweezers 49 distant galaxy clusters 49 negative refraction 49 RS Oph 49 nanometer sized 49 absorb neutrons 49 Electrons 49 filamentary structures 49 ESO VLT 49 superlenses 49 optical spectra 49 electrostatic repulsion 49 femtosecond laser pulses 49 cosmologists 49 asteroids comets 49 cesium atom 49 magnetoresistance 49 nanochannels 49 metastable 49 interferometry 49 electromagnetically induced transparency 49 electrical resistivity 48 electron electron 48 protoplanet 48 icy moons 48 adsorbate 48 Tevatron experiments 48 electron density 48 photon counting 48 Nima Arkani Hamed 48 ferromagnets 48 carbonate globules 48 physicists 48 multiphoton 48 collimated beam 48 teraelectronvolts TeV 48 unconventional superconductivity 48 nanometers billionths 48 Pulsars 48 chromophore 48 quantum mechanical 48 novae 48 Heisenberg uncertainty principle 48 emits X rays 48 Bose Einstein condensate BEC 48 spinning neutron stars 48 extragalactic 48 moonquakes 48 cosmic ray flux 48 dipoles 48 solar flares 48 PSR J# 48 R Coronae Borealis 48 dense neutron stars