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(Click for frequent words.) 66 gravitational radiation 64 blazar 64 particle acceleration 63 relativistic particles 63 X rays gamma rays 63 electrons protons 63 gamma rays emitted 63 X ray binaries 62 backscattered 62 Gamma rays 62 circumstellar 62 emit X rays 62 cosmic ray particles 62 helium nuclei 62 neutralinos 62 silicon monoxide 62 galactic nucleus 62 active galactic nucleus 62 detect gamma rays 62 energetic electrons 62 gamma rays 62 X ray pulses 61 gamma ray emission 61 blazars 61 Epsilon Eridani 61 Cherenkov radiation 61 Lyman alpha 61 Galactic cosmic rays 61 active galactic nuclei 61 accretion disks 61 galactic disk 61 infrared photons 61 interstellar clouds 60 Bug Nebula 60 ionized gases 60 eclipsing binary 60 weakly interacting 60 gamma ray radiation 60 hadron 60 relativistic protons 60 Doppler shifts 60 helium atom 60 Geminga 60 supersymmetric particles 60 absorption spectra 59 X ray emission 59 gamma rays X rays 59 ionizes 59 X ray wavelengths 59 luminous galaxies 59 ultraviolet photons 59 lightwaves 59 magnetic fields 59 cosmic ray collisions 59 photoelectron 59 starburst galaxy 59 quantum cascade lasers 59 keV 59 ionise 59 emission nebula 59 MG J# +# 59 MeV 59 helium ions 59 blue supergiant 59 gamma ray flares 59 infall 59 UV photons 59 polariton 59 electrons positrons 59 UV wavelengths 59 Cosmic Microwave Background 59 elongated orbits 59 electron beams 59 microquasar 59 supergiant stars 59 silicate dust 59 luminosities 59 emit photons 58 IR wavelengths 58 PSR B# 58 proton particles 58 CMB radiation 58 gamma ray energies 58 X ray spectrometer 58 corona discharge 58 graviton 58 Neutrons 58 photochemical reactions 58 sodium atoms 58 nebular 58 distant quasar 58 ultraviolet wavelengths 58 GJ #b [002] 58 shorter wavelengths 58 QCLs 58 electron neutrinos 58 X ray spectroscopy 58 IRAS #-# 58 optical wavelengths 58 SN #E 58 dipole moment 58 Carina constellation 58 Triangulum Galaxy 58 circularly polarized 58 exoplanetary 58 absorbs ultraviolet 58 sized planets orbiting 58 X ray binary 57 terahertz waves 57 photon energies 57 SN #A 57 ionised 57 galactic cosmic rays 57 gluon 57 RRATs 57 Sagittarius B2 57 Virgo Cluster 57 helium atoms 57 CMB photons 57 submillimeter 57 Milky Way halo 57 Beta Pictoris 57 supergiant star 57 type Ia supernova 57 circumstellar disk 57 Supernova #A 57 Gamma ray bursts GRBs 57 photoluminescence 57 X ray telescopes 57 distant quasars 57 Michelson interferometer 57 diatomic 57 supernova SN 57 ionize 57 Gravitational waves 57 Saturn outermost 57 intrinsic brightness 57 galaxy M# [002] 57 GeV 57 polarimetry 57 Crab Nebula 57 photon beams 57 photon beam 57 filamentary structure 57 masers 57 Bose Einstein Condensate 57 distant supernovae 57 interstellar dust clouds 57 photoionization 57 AGNs 57 polaritons 57 diffract 57 terahertz rays 57 gamma ray photons 57 Gamma ray 57 Eridani 57 RS Ophiuchi 57 Stephan Quintet 56 planet HD #b 56 protoplanetary 56 VY Canis Majoris 56 volcanic aerosols 56 proton proton 56 cosmological distances 56 millimeter wavelengths 56 Bullet Cluster 56 Muons 56 ion flux 56 Bok globules 56 alkali atoms 56 deuterium atoms 56 photons emitted 56 protoplanetary discs 56 interferometers 56 submillimetre 56 J# +# [002] 56 metallicity 56 microcavity 56 mercury cadmium telluride 56 ultraviolet laser 56 electrons orbiting 56 Halogens 56 nucleon 56 nanomotors 56 ionised gas 56 electromagnetic flux 56 spatially resolved 56 baryonic 56 highly collimated 56 cosmic ray protons 56 HD#b 56 neutralino 56 emits photons 56 oppositely directed 56 Type 1a supernovae 56 filamentary 56 X ray photons 56 Kuiper belt objects 56 Gamma ray bursts 56 fluorescent nanoparticles 56 energetic gamma rays 56 redshifted 56 barred spiral galaxy 56 infrared ultraviolet 56 axions 56 electronvolts 56 linearly polarized 56 GALEX 56 Near Infrared NIR 56 near infrared NIR 56 Cygni 56 attosecond pulses 56 frequency electromagnetic waves 56 photolysis 56 velocity dispersion 56 Cosmic rays 56 SN #D 56 millimeter wavelength 56 silicate grains 56 pulsed laser 56 Rosette Nebula 56 extragalactic 56 bolometer 56 microwave radiation 56 dwarf spheroidal galaxies 56 absorbs photons 56 anthracene 56 SMBHs 56 particles emitted 56 relativistic jets 56 unpolarized 56 Upsilon Andromedae 56 muon 56 electron volt 56 proton antiproton 56 Nd Yag 56 crystalline silicates 56 proto galaxies 56 airglow 56 W bosons 56 cosmic gamma rays 56 ultracold molecules 56 Higgs bosons 56 Electromagnetic radiation 56 gravitational lens 56 astrophysical objects 56 ultracold atoms 56 gamma ray 55 X ray emitting 55 neutron flux 55 antiparticle 55 ultrashort pulses 55 stellar nurseries 55 ENAs 55 emits alpha 55 Trapezium 55 dimensional electron 55 jovian 55 Nd YAG lasers 55 wavelength lasers 55 circumstellar disks 55 merging galaxies 55 X ray afterglow 55 prograde 55 ionized hydrogen 55 spectral measurements 55 metallic nanostructures 55 dipolar 55 electron flux 55 visible wavelengths 55 cosmic phenomena 55 HL Tau 55 detect gravitational waves 55 exoplanet orbiting 55 Saturn magnetosphere 55 Photons 55 spectral characteristics 55 coronal mass ejections CMEs 55 Beehive Cluster 55 millisecond pulsar 55 photometry 55 tau neutrinos 55 spinning neutron stars 55 Gondolo 55 ROSAT 55 antineutrinos 55 electromagnetic frequencies 55 unpolarized light 55 neutron radiation 55 alpha particles 55 Type Ia 55 X ray observatories 55 fs pulses 55 reflection nebula 55 ionized gas 55 uncharged particles 55 gravitational interaction 55 lensing galaxy 55 magnetars 55 Type Ia supernova 55 infrared spectrometers 55 Magnetospheric 55 GRB# 55 photomultiplier tubes 55 TGFs 55 millisecond pulsars 55 ionized oxygen 55 circularly polarized light 55 Fornax cluster 55 electron bunches 55 elliptical galaxy NGC 55 W boson 55 sunlike stars 55 Rydberg atom 55 hydrogen nuclei 55 fermionic 55 chlorophyll molecule 55 germanium silicon 55 constellation Hercules 55 distant supernovas 55 Seyfert galaxies 55 x ray pulses 55 photomultiplier tube 55 Mercury exosphere 55 Cosmic Microwave Background CMB 55 constellation Centaurus 55 synchrotron emission 55 nanolaser 55 ionized particles 55 Hanny Voorwerp 55 Proxima Centauri 55 redshifts 55 HII regions 55 x ray beams 55 radioisotope thermoelectric generators 55 galaxy M# [001] 55 Fabry Perot 55 supernova remnant 55 galactic cores 55 femtosecond pulses 55 precessing 55 meteoritic material 54 cosmic ray electrons 54 infra red radiation 54 gravitational tides 54 infrared wavelength 54 X ray observatory 54 SNR #-#.# 54 ESO VLT 54 hyperfine 54 emit photon 54 Fermi telescope 54 Interferometric 54 scintillator 54 Type Ic supernova 54 Type Ia supernovae 54 plasmon 54 emits gamma rays 54 type Ia supernovae 54 terawatt 54 isotherms 54 vibrationally excited 54 nanosecond pulses 54 magnetic dipole 54 constellation Pegasus 54 Magnetars 54 spectrographs 54 photons particles 54 phosphor coated screen 54 cosmic cannibal 54 planetary nebulae 54 inertial confinement fusion 54 inelastic scattering 54 KH #D 54 solar corona 54 exosphere 54 Fermi LAT 54 GRB #B 54 galaxy NGC 54 ionized plasma 54 ultradense 54 glows brightly 54 plasmasphere 54 Spectroscopic 54 Small Magellanic Cloud 54 coronal loops 54 Mpc 54 THz radiation 54 ray Space Telescope 54 xenon lamp 54 microcavities 54 radial velocity technique 54 constellation Eridanus 54 planetary transits 54 gamma ray detectors 54 toroid 54 proplyds 54 accretion disk 54 J#.# [001] 54 starburst galaxies 54 spherical halo 54 Ultracold 54 Active Galactic Nuclei 54 femtosecond timescale 54 Epsilon Indi 54 submillimetre wavelengths 54 constellation Aquarius 54 X ray photon 54 antiparticles 54 collimated 54 Mott insulator 54 starquakes 54 SUSY 54 Super Kamiokande 54 Lagoon Nebula 54 Evolution Explorer 54 radioactive nuclei 54 backscattering 54 photoelectrochemical 54 electron positron 54 cosmic ray 54 infalling 54 Pegasi 54 antiproton 54 protoplanet 54 linearly polarized light 54 particles WIMPs 54 spaser 54 surface plasmon 54 constellation Cassiopeia 54 neutron beams 54 V# Mon 54 photocatalysts 54 gravitationally lensed 54 dynamical evolution 54 absorption spectroscopy 54 Dwarf galaxies 54 photometer 54 TrES 4 54 quasar 54 V# Sgr 54 ionizing 54 baryon 54 highly elliptical orbits 54 emits X rays 54 blackbody 54 Crab Pulsar 54 asteroidal 54 VLTI 54 electron volts eV 54 planetary Transits 54 retrograde orbits 54 diffuse aurora 54 globulars 54 RHESSI 54 electron tunneling 54 tholins 54 interstellar medium 54 Planck satellite 54 Ray Spectrometer 54 gamma ray observatory 54 retrograde orbit 54 sulfate aerosol 54 photochemistry 54 WHIM 54 Earth ionosphere 54 Wolf Rayet stars 54 Ti Sapphire 54 Saturn auroras 54 thermoelectric cooling 54 Mercury magnetosphere 54 Circinus X 1 54 B mesons 54 Beta Pictoris b 53 auroral emissions 53 Trifid 53 CAIs 53 emit gamma rays 53 volcanic moon Io 53 neutrino particles 53 spectroscope 53 Scorpii 53 Spectrograph 53 ferromagnetic materials 53 Doppler shift 53 protostar 53 spherical particles 53 chondrites 53 particle beam 53 muon neutrinos 53 tokamaks 53 NGC# 53 proton neutron 53 kaons 53 Millimeter wave 53 Weakly Interacting Massive Particles 53 spectroscopic analysis 53 exoplanets orbiting 53 colliding protons 53 isotope fractionation 53 gamma ray flashes 53 pyroelectric 53 zodiacal dust 53 interferometry 53 Rayleigh scattering 53 atmospheric neutrinos 53 galaxy cluster 53 emission wavelength 53 harmful ultraviolet 53 giant elliptical galaxy 53 elliptical galaxy 53 interstellar cloud 53 Antennae Galaxies 53 positrons 53 antimatter particles 53 planet magnetosphere 53 protoplanetary disk 53 absorbance 53 laser excitation 53 ε 53 zinc oxide ZnO 53 Z bosons 53 supernova remnants 53 fainter objects 53 quantum cascade 53 auroral 53 electron accelerators 53 argon ion 53 collinear 53 Bose Einstein condensates 53 energetic cosmic rays 53 rotating neutron stars 53 collimators 53 spectral fingerprint 53 protons neutrons 53 extrasolar planets orbiting 53 extrasolar planet HD #b 53 Phys. Rev. Lett 53 Hot Jupiters 53 cesium atom 53 proton proton collisions 53 Polycyclic aromatic hydrocarbons 53 SMBH 53 galvo 53 Sombrero Galaxy 53 moons orbiting 53 extrasolar 53 magnetar 53 #nm laser [002] 53 supernova explosions 53 harmful ultraviolet UV 53 colloidal quantum dots 53 PKS #-# 53 superconducting qubit 53 Virgo cluster 53 X FEG 53 Fermions 53 rubidium atoms 53 Electromagnetic waves 53 submillimeter wavelengths 53 Ytterbium 53 spectral fingerprints 53 specular reflection 53 stellar occultation 53 outermost planet 53 monochromators 53 radiative cooling 53 Anthony Remijan 53 collimated beam 53 nuclides 53 spherically symmetric 53 faint galaxies 53 PSR B# +# 53 phonon 53 electron accelerator 53 multiwavelength 53 absorption coefficient 53 ultracold 53 supernova explosion 53 Jupiter moon Io 53 vibrating strings 53 galactic clusters 53 Helix Nebula 53 antineutrino 53 superatoms 53 bosonic 53 Spitzer infrared spectrograph 53 tunable diode laser 53 piezoelectric crystals 53 HM Cancri 53 neutrino 53 polarimeter 53 HD# [002] 53 Astrophysical 53 inhomogeneities 53 Henize #-# 53 quasiparticle 53 CoRoT #b 53 gravitational waves 53 dispersive 53 Galilean moons 53 Orion nebula 53 matter antimatter annihilation 53 xenon lamps 53 electrons emitted 53 Vourlidas 53 scanning electron microscopes 53 terahertz frequency 53 hydrogen H2 53 star Gliese 53 micrometre sized 53 parsec 53 GRBs 53 R Coronae Borealis 53 Magellanic Stream 53 emitted 53 SQUIDs 53 photochemically 53 Eta Carinae 53 SN#A 53 Neutron stars 53 x ray beam 52 exo planet 52 Brookhaven Relativistic Heavy 52 surface plasmons 52 solar radii 52 HESS telescopes 52 weak gravitational lensing 52 resonant cavity 52 excitons 52 coronal holes 52 photon detector 52 BP Piscium 52 planetary nebula 52 red supergiants 52 chemiluminescence 52 optically pumped 52 Alfven waves 52 wavebands 52 Light Emitting Diodes LEDs 52 magnetron 52 photocurrent 52 deuterium tritium 52 X ray spectra 52 atomic lattice 52 muon neutrino 52 baryon acoustic oscillations 52 sunlike star 52 atmospheric aerosols 52 alkali metal 52 FUV 52 electron positron pairs 52 ultrasonic vibrations 52 hollow cathode 52 neutron detectors 52 VB #b 52 ionisation 52 laser pulse 52 constellation Scorpius 52 Ti sapphire laser 52 induced fluorescence 52 particles 52 cyanogen 52 UVOT 52 distant galaxy 52 quasars 52 cosmic rays 52 AB Aurigae 52 ozone O3 52 Relativistic 52 Coma Cluster 52 photoemission 52 photothermal 52 depolarized 52 magnetic monopoles 52 alpha particle 52 supermassive 52 Io Europa 52 terahertz frequencies 52 HD# [005] 52 nucleosynthesis 52 moon Mimas 52 ion microscope 52 infrared imager 52 constellation Puppis 52 Raman scattering 52 BaBar experiment 52 circular dichroism 52 isotopic ratios 52 Rydberg atoms 52 stellar occultations 52 Saturnian moon 52 XTE J# 52 magnetospheres 52 hydrophobic interactions 52 C#H# 52 microwave photon 52 spectroscopic technique 52 ARPES 52 redshift 52 galactic cosmic ray 52 neutron beam 52 toroidal 52 smallest exoplanet 52 Terahertz waves 52 quantum cascade laser 52 photomultiplier 52 semiconducting materials 52 paramagnetic 52 solar nebula 52 UV germicidal 52 quantum dot lasers 52 thermonuclear fusion 52 extraterrestrial civilizations 52 Crab pulsar 52 micromotors 52 copper oxide superconductors 52 Supernovae 52 sulfate aerosols 52 massless particles 52 vibrationally 52 radiometers 52 comet Tempel Tuttle 52 WASP #b 52 gravitons 52 micron wavelengths 52 Red Rectangle 52 neutrons 52 superdense 52 neutron spectrometer 52 laser pulses 52 interferometric 52 particle physics experiments 52 transfer FRET 52 positron 52 high redshift galaxies 52 coronagraph 52 UDFy # 52 pions 52 coronal loop 52 magnons 52 Hawking radiation 52 moons Phobos 52 dimethyl sulphide 52 amplitudes 52 C# fullerenes 52 wavelength infrared 52 YORP effect 52 iron arsenide 52 donor acceptor 52 gravitational acceleration 52 strangelets 52 absorb neutrons 52 Gliese #c 52 Saturn outermost ring 52 Schematic representation 52 imaging spectrometer 52 ionization mass spectrometry 52 fermion 52 Perseus Cluster 52 Ultraviolet radiation 52 Higgs singlet 52 sterile neutrino 52 anomalous cosmic rays 52 Nitrogen trifluoride 52 electron density 52 chemically reactive 52 constellation Carina 52 neutral mass spectrometer 52 red supergiant 52 Solar flares 52 carbonaceous chondrites 52 hydroxide ions 52 sterile neutrinos 52 Earthlike planet 52 Eagle Nebula 52 multiband imaging photometer 52 quantum cascade laser QCL 52 electroluminescence 52 inhabitable planets 52 photosensor 52 heliospheric 52 Corot 9b 52 Ozone O3 52 nitride semiconductor 52 particle detectors 52 micron wavelength 52 Ring Nebula 52 piezoelectric crystal 52 planets orbits 52 GJ #b [001] 51 Cepheid variables 51 comets orbiting 51 graphite whiskers 51 muons 51 infrared radiation 51 gravitational redshift 51 photosphere 51 SNe Ia 51 WIMPs 51 RX J# 51 infrared emitters 51 Tauri Sb 51 Nernst 51 NMR spectra 51 electrochemical sensor 51 ions electrically charged 51 mT 51 protoplanetary disks 51 protostars 51 spectrally 51 piezoelectric materials 51 Kepler 9b 51 ULX 51 quantum oscillations 51 Josephson junction 51 photoelectron spectroscopy 51 IR spectra 51 Arches Cluster 51 elliptical galaxies 51 vibrational frequency 51 mesons 51 periodic dimming 51 Pulsed 51 comets asteroids 51 Attosecond 51 electromagnetic 51 circumstellar dust 51 avalanche photodiodes 51 Epsilon Aurigae 51 intracluster 51 foreground galaxy 51 Cepheids 51 QWIP 51 excitations 51 meson 51 dI dV 51 Spectrometers 51 bolometers 51 electron ion 51 chondrules 51 lowermost mantle 51 pulsed lasers 51 Jovian planets 51 CoRoT 9b 51 astrophysical phenomena 51 alpha particle relatively 51 UV lasers 51 Photometric 51 radiative 51 pulsar 51 infrared LEDs 51 superfluid helium 51 ultraviolet radiation emitted 51 resonant frequencies 51 moon Enceladus 51 petawatt 51 ion thrusters 51 IBEX spacecraft 51 orbitals 51 X ray absorption spectroscopy 51 constellation Ursa Major 51 nebulosity 51 colloidal particles 51 phosphorus atom 51 Cosmic ray 51 atomic particles 51 Force Microscopy 51 supermassive black hole 51 Extreme Ultraviolet 51 chemical kinetics 51 Comet Hartley 51 HD #b [002] 51 ultraviolet wavelength 51 orbital angular momentum 51 Helioseismic 51 solitons 51 synchrotron X ray 51 delocalized 51 rotating neutron 51 kT 51 Cerenkov radiation 51 soliton 51 Corot 7b 51 Cygnus Lyra region 51 Exoplanets 51 photon 51 PUVA psoralen plus 51 reflectance spectroscopy 51 diffracted 51 tera electron volts 51 gravitational perturbations 51 vanadate 51 Cassini ion 51 Mössbauer 51 fermionic atoms 51 synthetic aperture 51 synchrotrons 51 baryonic matter 51 IRC +# 51 PSR J# 51 NASA Wilkinson Microwave 51 emittance 51 sulphate aerosols 51 electromotive force 51 excites electrons 51 positron emitting 51 Hipparcos 51 transiting exoplanets 51 radial velocity method 51 photons 51 diffractive optics 51 antiquarks 51 polar mesospheric clouds 51 infrared laser pulses 51 globular cluster M# 51 electric dipole 51 proto cluster 51 Dumbbell Nebula 51 subatomic particle 51 ultrananocrystalline diamond 51 microwave photons 51 Voorwerp 51 earthlike planets 51 constellation Sagittarius 51 antimatter particle 51 rubidium vapor 51 Pinwheel galaxy 51 silicates 51 indium gallium arsenide InGaAs 51 spectroscopically 51 Butterfly Nebula 51 EDXRF 51 Entangled photons 51 photonic bandgap 51 pulsations 51 maser emission 51 glow brightly 51 lase 51 electromagnetic radiations 51 Herbig Haro 51 Xenon lamps 51 LiNbO3 51 particle accelerators 51 Elenin 51 optical lattices 51 Imaging Spectrometer 51 optical spectra 51 hyperpolarization 51 pentacene molecule 51 planet orbiting 51 Ultra violet 51 semiconductor nanowires 51 quantum mechanically 51 tropospheric 51 bucky balls 51 anisotropy 51 specular reflectance 51 novas 51 surface plasmon resonance 51 moon Io 51 spin excitations 51 plasma spectrometer 51 spectroscopic measurements 51 auroral displays 51 pentacene 51 piezoelectric transducer 51 photosynthetically 51 spectroscopic 51 superclusters 51 GRB # 51 argon fluoride 51 thermally activated 51 magnetic coil 51 pulsed fiber 51 interferometric observations 51 magnetospheric 51 radial velocity 51 VCSELs 51 monochromator 51 nightglow 51 dinitrogen 51 cometary material 51 IR LEDs 51 silicate mantle 51 VUV 51 electron diffraction 51 electron neutrino 51 Adaptive optics 51 Jupiter magnetosphere 51 ultracold temperatures 51 Trifid Nebula 50 planet HD#b 50 nanometer wavelength 50 interacting galaxies 50 Gal Yam 50 proteorhodopsin 50 CdSe 50 SMM J#