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(Click for frequent words.) 68 nucleosynthesis 68 reionization 67 planetary nebulae 67 electroweak 67 astrophysical 66 merging galaxies 66 globular clusters 66 galaxies 66 protostar 66 interstellar clouds 65 protostars 65 GRBs 65 supernovae 65 type Ia supernovae 64 active galactic nuclei 64 elliptical galaxies 64 Type Ia supernovas 64 galaxy clusters 64 protoplanetary disk 64 galactic mergers 64 brown dwarfs 64 novae 64 magnetic reconnection 64 Cepheids 64 supersymmetric particles 63 Hubble observations 63 circumstellar disks 63 nebular 63 astrophysical objects 63 distant galaxies 63 neutron stars 63 accretion disks 63 Neutron stars 63 X ray binary 63 Einstein relativity theory 63 gravitational radiation 63 starburst galaxies 63 supermassive 63 extrasolar planetary systems 63 SN #A 63 Type Ia supernovae 63 X ray emission 63 galaxies collide 63 SN#A 62 gravitationally bound 62 Einstein equations 62 supermassive black holes 62 quasars 62 AGNs 62 dynamical evolution 62 galactic nuclei 62 cosmological 62 supernovas 62 filamentary structure 62 neutron star 62 magnetospheric 62 infalling 62 metallicity 62 circumstellar 62 X ray binaries 62 supernova explosions 61 protoplanetary disks 61 chondrules 61 Milky Way halo 61 blue supergiant 61 SMBH 61 Cosmic Microwave Background 61 extrasolar 61 supersymmetric 61 cosmological models 61 astrophysical phenomena 61 quark gluon plasma 61 globular cluster 61 infalling gas 61 Bose Einstein condensation 61 infall 61 Kuiper belt objects 61 rocky planets 61 supernova explosion 61 Bose Einstein condensates 61 accretion disk 61 superstrings 61 solar nebula 61 solar corona 61 Gravitational waves 61 coronal heating 61 cosmic phenomena 61 KBOs 61 supermassive stars 61 spectroscopically 61 dwarf galaxy 61 stellar seismology 61 gravitational lenses 61 Earthlike planets 60 blazars 60 dynamical 60 Type Ia supernova 60 neutrino oscillation 60 luminous galaxies 60 globulars 60 chemical abundances 60 general relativity 60 SN #C 60 terrestrial planets 60 Type 1a supernovae 60 neutralinos 60 superfluids 60 substorm 60 stellar nurseries 60 SUSY 60 Oort cloud 60 Seyfert galaxies 60 interstellar cloud 60 exoplanetary 60 planets orbiting distant 60 intrinsic brightness 60 singularities 60 planemos 60 dwarf galaxies 60 supernova remnants 60 red supergiant 60 planetary atmospheres 60 neutrino oscillations 59 particle acceleration 59 sterile neutrino 59 Adam Riess 59 magnetar 59 protoplanet 59 planets 59 gravitational microlensing 59 Magellanic Clouds 59 gamma ray bursts 59 radial velocity 59 planetesimals 59 Pluto Charon 59 HM Cancri 59 SMBHs 59 Hawking radiation 59 Keck Interferometer 59 prebiotic chemistry 59 AB Aurigae 59 galactic cosmic rays 59 masers 59 Astrophysicists 59 gravitational lensing 59 W boson 59 Omega Centauri 59 distant supernovae 59 lensing galaxy 59 photosphere 59 starburst galaxy 59 cosmic strings 59 extragalactic 58 circumstellar disk 58 supercomputer simulations 58 galactic collisions 58 ultracold 58 Red Rectangle 58 Henize #-# 58 galaxy cluster 58 ultracold atoms 58 planets moons 58 icy moons 58 gravitational interactions 58 quantum gravity 58 gravitational waves 58 extrasolar planetary 58 high temperature superconductivity 58 Kazantzidis 58 red supergiants 58 dwarf spheroidal galaxies 58 active galactic nucleus 58 galactic disk 58 Astrophysical 58 intracluster 58 noctilucent clouds 58 spacetime 58 matter antimatter asymmetry 58 super Earths 58 astrophysicists 58 interstellar medium 58 eclipsing binary 58 Alfven waves 58 TrES 4 58 binary asteroid 58 X ray telescopes 58 quasar 58 BP Psc 58 mantle plumes 58 blue straggler 58 elliptical galaxy 58 submillimeter galaxies 58 quasicrystal 58 Andromeda halo 58 Higgs particle 58 Bok globules 57 redshifts 57 cosmologists 57 J# +# [002] 57 X ray emitting 57 distant quasars 57 asteroseismology 57 planetary nebula 57 X ray wavelengths 57 spectroscopic 57 astronomers 57 ULIRGs 57 occultations 57 SDSS II 57 RS Ophiuchi 57 Upsilon Andromedae 57 Venusian atmosphere 57 axions 57 cosmological theories 57 cosmic microwave background 57 Bullet Cluster 57 supersymmetry 57 polaritons 57 Higgs bosons 57 Saturn rings 57 giant elliptical galaxies 57 Cosmologists 57 rotating neutron stars 57 Kuiper Belt Objects 57 nebulae 57 nucleons 57 weakly interacting 57 cryovolcanism 57 accreting 57 sterile neutrinos 57 GJ #b [001] 57 distant supernovas 57 Cepheid variables 57 spiral nebulae 57 Higgs singlet 57 magma ocean 57 SN #gy 57 WMAP satellite 57 supernova remnant 57 faintest galaxies 57 cosmological distances 57 Type Ia 57 exo planet 57 cosmological observations 57 brown dwarf 57 GRB #B 57 Kuiper belt 57 cometary material 56 biomineralization 56 YORP effect 56 axion 56 antimatter particles 56 Cosmic Microwave Background CMB 56 Supermassive black 56 type Ia supernova 56 redshift 56 exoplanets orbiting 56 magnetic monopoles 56 cosmological parameters 56 WASP #b 56 exoplanetary systems 56 neutrino mass 56 galactic bulge 56 Eta Carinae 56 spiral galaxies 56 homochirality 56 silicate dust 56 colliding galaxies 56 X ray observatory 56 dynamical processes 56 asteroidal 56 wavefunction 56 protoplanets 56 gravitational wave 56 millimeter wavelengths 56 hot Jupiters 56 weak gravitational lensing 56 supersolid 56 meteor impacts 56 SNe Ia 56 numerical simulations 56 millisecond pulsar 56 nuclei 56 chondrites 56 planetary orbits 56 Active Galactic Nuclei 56 decoherence 56 gaseous planet 56 particle astrophysics 56 blazar 56 planets orbits 56 spectroscopic measurements 56 prebiotic molecules 56 spatially resolved 56 Kepler #b 56 Fornax cluster 56 protoplanetary 56 tropospheric 56 galaxy 56 Alfvén waves 56 post perovskite 56 Wolf Rayet stars 56 retrograde orbit 56 Cold Dark Matter 56 chemical reactivity 56 missing baryons 55 lunar crust 55 gamma ray burst 55 magnetars 55 boson 55 polarimetry 55 distant galaxy 55 reionization epoch 55 gravitational lens 55 habitable zones 55 Gal Yam 55 optical interferometry 55 protoplanetary discs 55 pulsars 55 superconductivity arises 55 galaxy M# [002] 55 nucleation 55 pseudogap 55 Fomalhaut b 55 neutrino 55 Hanny Voorwerp 55 Bug Nebula 55 Maxwell equations 55 antiferromagnets 55 Enceladus 55 interacting galaxies 55 Supernovae 55 gamma ray emission 55 particle colliders 55 proton decay 55 radiative transfer 55 photochemical processes 55 WIMPs 55 Earths orbiting 55 Gamma ray bursts 55 Jupiter moon Io 55 strangelets 55 Earth magnetosphere 55 Konacki 55 subatomic 55 galactic cores 55 observable universe 55 Gaensler 55 baryons 55 Epsilon Aurigae 55 Saturn moons 55 astronomical objects 55 supernovae explosions 55 cluster NGC 55 planet HD #b 55 gravitationally 55 exoplanet 55 observable phenomena 55 Nima Arkani Hamed 55 kaons 55 quantum tunneling 55 habitable worlds 55 Big Bang cosmology 55 supernova 55 TGFs 55 elliptical galaxy NGC 55 planetary 55 Computer simulations 55 Sagittarius B2 55 comets asteroids 55 gravitons 55 SN Ia 55 silicon monoxide 55 millisecond pulsars 55 Mario Livio 55 gaseous planets 55 exoplanet orbiting 55 RXTE 55 moon Io 55 comets 55 ab initio calculations 54 bosonic 54 planets comets 54 cosmology 54 microlensing 54 habitable planets 54 organic molecules 54 fainter objects 54 transiting planets 54 interstellar molecules 54 Epsilon Eridani 54 nucleon 54 solitons 54 Virgo Cluster 54 atmospheric chemistry 54 sized planets orbiting 54 lithospheric 54 Evolution Explorer 54 Wolf Rayet star 54 WMAP 54 gravitational redshift 54 auroral 54 electrodynamics 54 MG J# +# 54 anthropic 54 blackbody 54 collisional 54 Eagle Nebula 54 Fermi telescope 54 Charles Beichman 54 stellar occultation 54 galactic clusters 54 magnetic fields 54 galactic halo 54 permanently shadowed craters 54 inhomogeneities 54 XMM Newton 54 elongated orbits 54 topological insulators 54 substorms 54 planet Gliese #g 54 quantum particle 54 Mandushev 54 Arches Cluster 54 Milky Way galaxy 54 biological macromolecules 54 gravitational interaction 54 ESO PR 54 supermassive black hole 54 quantum mechanics 54 geoneutrinos 54 baryonic 54 Cat Paw Nebula 54 gamma ray observatory 54 Hubble Constant 54 supergiant star 54 proto galaxies 54 infrared astronomy 54 filamentary structures 54 interstellar dust clouds 54 superluminal 54 outer planets 54 X ray pulses 54 cosmic cannibal 54 Avi Loeb 54 nucleobases 54 Tevatron experiments 54 NASA Wilkinson Microwave 54 photons emitted 54 unconventional superconductivity 54 diffuse aurora 54 numerical simulation 54 R Coronae Borealis 54 spinning neutron stars 54 Oort Cloud 54 Anisotropy Probe 54 Carina Nebula 54 Milky Way Galaxy 54 nonequilibrium 54 Dauphas 54 Einstein relativity 54 ionized hydrogen 54 Particle physics 54 optical lattices 54 braneworld 54 Gravitational lensing 54 ejecta 54 Astrophysical Journal 54 cosmic microwave radiation 54 detect gravitational waves 54 GCRs 54 transiting exoplanet 54 planets atmospheres 54 G#.# +#.# 54 proton proton collisions 54 sodium atoms 54 verified experimentally 54 electron pairs 54 HD#b 54 muon neutrino 54 GJ#b 54 mineral olivine 54 Milky Way 54 Gliese #c 54 Einstein theory 54 spectroscopic observations 54 electrons orbiting 53 fermionic 53 hydrogen helium 53 high redshift galaxies 53 electron neutrinos 53 dynamical systems 53 mesoscopic 53 interstellar dust grains 53 trans Neptunian objects 53 cosmic ray particles 53 primitive meteorites 53 helium atoms 53 comet nucleus 53 Coma Cluster 53 globular star 53 Mössbauer 53 relativistic particles 53 sulfur isotope 53 Nikku Madhusudhan 53 HII regions 53 nanoworld 53 fermion 53 meteoritic material 53 #gy 53 quantum chromodynamics 53 faint galaxies 53 Aram Chaos 53 astronomical observations 53 Magellanic Stream 53 interstellar dust 53 energetic electrons 53 planets orbiting 53 relativity theory 53 macroscopic quantum 53 cosmic ray flux 53 earthlike planets 53 Einstein theories 53 Pieter van Dokkum 53 photochemistry 53 SINFONI 53 IRC +# 53 superheavy elements 53 gravitationally lensed 53 Mushotzky 53 Beta Pictoris 53 spatial dimensions 53 particles WIMPs 53 spheroidal 53 Galaxy Evolution 53 sunlike stars 53 Bojowald 53 neutralino 53 Alex Filippenko 53 stellar occultations 53 inhomogeneous 53 dense clumps 53 supernova SN 53 #P/Churyumov-Gerasimenko 53 quantum theory 53 cosmic rays 53 coronal magnetic field 53 baryon 53 VLTI 53 afterglows 53 SEGUE 53 colloidal crystals 53 extrasolar planets 53 Delta Cephei 53 planetary surfaces 53 nanomechanics 53 Lyman alpha 53 planets asteroids 53 extrasolar planets orbiting 53 aerosol particles 53 galaxy M# [001] 53 non baryonic 53 XTE J# 53 Wilkinson Microwave Anisotropy Probe 53 Crab pulsar 53 neutrino physics 53 Saturn magnetosphere 53 Hipparcos 53 anthropic principle 53 diffraction pattern 53 magnetosphere 53 XMM Newton satellite 53 jovian 53 basaltic rocks 53 Magnetars 53 Corot 9b 53 sparticles 53 polar mesospheric clouds 53 planet orbits 53 Hot Jupiters 53 velocity dispersion 53 abiogenesis 53 PSR J# +# 53 multipartite entanglement 53 sun corona 53 ionized gas 53 heterogeneities 53 NASA Chandra 53 Antennae Galaxies 53 elemental composition 53 GQ Lupi 53 Stephan Quintet 53 Trifid Nebula 53 coronal loops 53 Bose Einstein condensate 53 spectroscopic techniques 53 BP Piscium 53 diffraction patterns 53 planetary nebulas 53 chlorine monoxide 53 superfluid 53 luminosities 53 P/# A2 53 hypervelocity stars 53 HUDF 53 Voorwerp 53 Helix Nebula 53 antihelium 4 53 Antarctic ozone 53 Wolszczan 53 SNfactory 53 GRB # 53 Mojzsis 53 Hubble Space Telescope HST 53 gamma ray telescopes 53 Earthlike 53 Supersymmetry 53 fermionic atoms 53 observationally 53 orbital angular momentum 53 X ray Observatory 53 comets orbiting 52 planet orbiting 52 spherically symmetric 52 GJ #b [002] 52 astrometry 52 microlensing events 52 heliospheric 52 Andromeda galaxy 52 brightest supernova 52 galaxy redshift 52 oxygenic photosynthesis 52 subsurface ocean 52 planet magnetosphere 52 galactic magnetic 52 Corot 7b 52 convective 52 exo planets 52 LHC experiments 52 Cygnus X 52 maser 52 mesosphere 52 polar stratospheric 52 radial velocity technique 52 Astrophysical Journal Letters 52 microstructural 52 zodiacal light 52 situ measurements 52 Mott insulator 52 Cancri e 52 mantle convection 52 RS Oph 52 proto cluster 52 high temperature superconductors 52 strangelet 52 gamma ray bursts GRBs 52 journal Icarus 52 carbonaceous chondrites 52 quantum computation 52 Kuiper Belt object 52 crystalline silicates 52 cosmic ray 52 ultraviolet wavelengths 52 photon fluorescence 52 mesoscale 52 morphological evolution 52 icy comets 52 OGLE TR #b 52 neutrino particles 52 type 1a supernovae 52 hematite mineral 52 XMM Newton observations 52 Anisotropy Probe WMAP 52 oxygen isotope 52 W bosons 52 asymptotic freedom 52 Galilean satellites 52 exoplanet atmospheres 52 Earthlike planet 52 relativistic jets 52 B mesons 52 osmium 52 CoRoT 7b 52 anisotropy 52 Orion nebula 52 proplyds 52 hydrosphere 52 subatomic particle 52 Snowball Earth 52 binary quasar 52 electron orbits 52 galaxy NGC 52 Beta Pictoris b 52 X ray crystallographic 52 SMM J# 52 asteroids comets 52 gamma rays emitted 52 planetesimal 52 neutrinos 52 AU Mic 52 retrograde orbits 52 SIM PlanetQuest 52 biosignatures 52 Perseus Cluster 52 foreground galaxy 52 supergiant stars 52 Mercury magnetosphere 52 hydrated minerals 52 ULP cepheids 52 astrometric 52 Gliese #g 52 carbonate minerals 52 VY Canis Majoris 52 orbital resonance 52 radial velocity method 52 hypernova 52 Elliptical galaxies 52 quantum mechanically 52 RHESSI 52 Gamma ray burst 52 extraterrestrial UFOs 52 isotope fractionation 52 Kashlinsky 52 helicity 52 hydrated electron 52 Crab Pulsar 52 topological defects 52 zodiacal dust 52 topological 52 exosphere 52 carbonate globules 52 tholins 52 superdense 52 STEREO spacecraft 52 electron positron pairs 52 supercooling 52 muon neutrinos 52 SN #D 52 astrophysics 52 mineralogical composition 52 strange quark 52 God Particle 52 reflection nebula 52 radioactive decay 52 potentially habitable planets 52 biosignature 52 Crab Nebula 52 CMB radiation 52 photochemical reactions 52 moonlet 52 Mark Changizi 52 KH #D 52 COROT 52 haloes 52 magnetisation 52 helium nuclei 52 ion collisions 52 Schwarzschild radius 52 molecular dynamics 51 ESA XMM Newton 51 UCO Lick 51 planets circling 51 Earth ionosphere 51 geochemists 51 sonoluminescence 51 interferometry 51 Butterfly Nebula 51 Relativistic 51 microphysical 51 magmatic 51 quantum entanglement 51 cosmic ray intensity 51 brightnesses 51 interstellar grains 51 galactic 51 x ray pulses 51 highly elliptical orbits 51 X ray observatories 51 distant galaxy clusters 51 astrobiologists 51 spinning neutron 51 String theory 51 supernovae explode 51 phyllosilicates 51 Neil Gehrels 51 Cepheid variable 51 exoplanets 51 David Spergel 51 heavy fermion 51 De Pontieu 51 atom smashers 51 Kailash Sahu 51 crystal lattices 51 Gondolo 51 barred spiral galaxy 51 constellation Cassiopeia 51 potentially habitable 51 excitons 51 Milankovitch cycles 51 helium atom 51 Richard Mushotzky 51 celestial sphere 51 aurorae 51 extrasolar worlds 51 ultracold molecules 51 Interstellar Boundary Explorer 51 electron density 51 ultraviolet photons 51 distant quasar 51 emits X rays 51 ESA Integral 51 photoemission 51 ray Space Telescope 51 gamma rays 51 NuSTAR 51 cosmological theory 51 Saturn aurora 51 chemical reactions 51 moons orbiting 51 Einsteinian 51 transiting planet 51 paleomagnetic 51 shorter wavelengths 51 Trojan asteroids 51 clathrates 51 X ray spectra 51 inhabitable planets 51 periodicities 51 Planck telescope 51 crustal thickness 51 periodic oscillations 51 superstring theory 51 sulfate aerosols 51 Diviner 51 atmospheric circulation 51 entangled quantum 51 nebula 51 tau neutrino 51 constellation Carina 51 morphometrics 51 coronal mass ejections 51 ARPES 51 Carnegie Observatories 51 polariton 51 transiting exoplanets 51 magnetic substorms 51 asteroid impacts 51 dimming starlight 51 subatomic particles 51 ultrashort pulses 51 eclipsing binaries 51 phonons 51 plate tectonics 51 Coma cluster 51 Chandra X ray 51 mesons 51 supervolcanoes 51 cosmic gamma rays 51 filamentary 51 solar neutrinos 51 van Arkel discovery 51 comet 51 ultradense 51 astrobiological 51 spectral measurements 51 neutron diffraction 51 habitable planet 51 positronium 51 Earth biosphere 51 KIPAC 51 extrasolar planet 51 GALEX 51 Gliese #d 51 PSR B# +# 51 advection 51 Globular clusters 51 quantum electrodynamics 51 supergiants 51 nanomagnets 51 magnetization reversal 51 presolar grains 51 torus 51 pulsar 51 Type 1a supernova 51 spicules 51 chromosphere 51 Doppler shift 51 Komossa 51 Navier Stokes equations 51 Monthly Notices 51 Astronomers 51 photoluminescence 51 pre biotic 51 Maunder minimum 51 Brownian motion 51 Rossby waves 51 Cosmological 51 NASA Fermi Gamma 51 nebulosity 51 morphologies 51 perovskite 51 V# Mon 51 tau neutrinos 51 Solar System 51 planetary magnetospheres 51 Andrea Ghez 51 cosmic particles 51 Gliese #e 51 Planck satellite 51 magnetotail 51 radioactive nuclei 51 atomistic simulations 51 multiscale 51 eccentric orbits 51 Einstein cosmological constant 51 hypervelocity star 51 moonlets 51 Peony nebula star 51 meteorite impacts 51 partial differential equations 51 Yarkovsky effect 51 colliders 51 negative refraction 51 photometry 51 comet McNaught 51 spherules 50 Son Nghiem 50 Fermi LAT 50 Big Bang theory 50 emit X rays 50 wavefronts 50 Supernova #A 50 elementary particle physics 50 novas 50 excitations 50 celestial phenomena 50 Asantha Cooray 50 antiprotons 50 X ray afterglow 50 CMEs 50 gluon 50 Kelvin Helmholtz 50 corona 50 antiparticle 50 heliosphere 50 COROT 7b 50 gravity warps 50 cometary 50 redshifted 50 prograde 50 silicate minerals 50 fading afterglow 50 fermions 50 HiRISE image 50 cuprates 50 semiconducting nanowires 50 Bose Einstein 50 nanobacteria 50 quasiparticle 50 optical wavelengths 50 photosynthetic protein 50 orbiting observatories 50 electron diffraction 50 Type Ib 50 ionized gases 50 Rayleigh scattering 50 scanning tunneling microscopy 50 Jovian moons 50 planetary embryos 50 atoms 50 Saturn Enceladus 50 gravitational pulls 50 supercontinents 50 trimers 50 theoretical calculations 50 circular orbits 50 CoRoT satellite 50 starquakes 50 electron electron 50 z ~ 50 microquasar 50 abundances 50 Spitzer infrared spectrograph 50 Decadal Survey 50 teleconnections 50 noble gases 50 theoretical astrophysics 50 plasmon 50 BaBar experiment 50 Bose Einstein Condensate 50 outermost planets 50 NGC# 50 LOFAR 50 planet Gliese #c 50 Plate tectonics 50 computational algorithms 50 iron pnictides 50 phonon 50 faraway galaxies