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(Click for frequent words.) 59 circumstellar disks 59 gamma ray emission 58 interstellar clouds 57 accretion disks 57 type Ia supernovae 57 active galactic nucleus 56 Herbig Haro 56 Higgs bosons 55 Type Ia 55 AGNs 55 X ray binaries 55 Geminga 54 proplyds 54 infalling 54 Crab pulsar 54 orbiting planets 54 neutralinos 54 VY Canis Majoris 54 gravitational tides 54 elongated orbits 54 lensing galaxy 54 relativistic particles 54 Type Ia supernovas 53 galactic disk 53 supersymmetric particles 53 type Ia supernova 53 RS Ophiuchi 53 Wolf Rayet stars 53 Cherenkov radiation 53 blazar 53 infall 53 sterile neutrino 53 magnetars 53 blazars 53 cosmic strings 53 nucleosynthesis 53 masers 53 V# Mon 53 hadrons 52 X ray binary 52 moon Io 52 TGFs 52 intrinsic brightness 52 SMBH 52 cosmological distances 52 gamma rays emitted 52 protoplanetary disks 52 magnetic monopole 52 SN #A 52 exo planets 52 Red Rectangle 52 KBOs 52 axions 52 active galactic nuclei 52 afterglows 52 gluon 52 moonquakes 52 coronal loops 52 gamma ray flares 52 Eta Carinae 52 Gravitational waves 51 energetic cosmic rays 51 distant galaxy clusters 51 millisecond pulsars 51 Neutron stars 51 SN #gy 51 Epsilon Eridani 51 gravitational perturbations 51 cosmic phenomena 51 Gamma ray 51 eclipsing binary 51 inner Oort Cloud 51 energetic electrons 51 nebular 51 Gal Yam 51 interstellar dust clouds 51 gamma ray bursts GRBs 51 RRATs 51 AB Aurigae 51 planet magnetosphere 51 Kuiper Belt Objects 51 SN #E 51 Doppler shifts 51 microquasar 51 extrasolar 51 blue supergiant 51 accretion disk 51 planetary nebulae 51 circumstellar 51 auroral 51 supernova explosions 51 airbursts 51 filamentary structures 51 bolide 50 Supernovae 50 GRBs 50 relativistic jets 50 planetary orbits 50 protoplanets 50 asteroidal 50 astrophysical phenomena 50 red supergiant 50 Upsilon Andromedae 50 neutrino particles 50 novas 50 occultations 50 Earthlike planet 50 X ray emission 50 planemos 50 protostars 50 Cosmic rays 50 Fornax cluster 50 supergiant star 50 Cepheids 50 coronal mass ejections CMEs 50 cometary material 50 Magnetars 50 BP Psc 50 helium atoms 50 particle acceleration 50 millisecond pulsar 50 Kuiper belt objects 50 coronal holes 50 antimatter particles 50 extragalactic 50 SN#A 50 exoplanets orbiting 50 spherically symmetric 50 dense neutron stars 50 novae 50 magnetar 50 magnetic monopoles 49 sunlike stars 49 Gaensler 49 Jupiter moon Io 49 hypernova 49 Orionid 49 Comet Encke 49 cosmic ray flux 49 BP Piscium 49 Saturn aurora 49 infalling gas 49 faint galaxies 49 superfluids 49 Solar flares 49 galactic mergers 49 thermonuclear reactions 49 moonlets 49 radioactive nuclei 49 jovian 49 Type Ia supernova 49 supermassive 49 HM Cancri 49 binary asteroids 49 superluminal 49 cosmic ray particles 49 chondrules 49 matter antimatter asymmetry 49 icy moons 49 protostar 49 Quadrantid 49 electroweak 49 protoplanetary 48 dwarf spheroidal galaxies 48 globular cluster 48 GRB #B 48 supernovas 48 globulars 48 supergiant stars 48 Higgs Boson particle 48 Type 1a supernovae 48 Voorwerp 48 WASP #b 48 Fermi telescope 48 starquakes 48 icy comets 48 Saturn auroras 48 Venusian atmosphere 48 supernovae 48 Higgs boson particle 48 Gamma rays 48 Alfven waves 48 Galactic cosmic rays 48 elliptical galaxy 48 Kuiper belt object 48 permanently shadowed craters 48 Martian dust 48 Carina constellation 48 Bok globules 48 gamma ray flashes 48 X ray pulses 48 Anthony Remijan 48 gravitational radiation 48 galactic cores 48 planets orbits 48 ultraviolet wavelengths 48 baryon 48 vortices 48 X ray afterglow 48 Earth ionosphere 48 chemical abundances 48 coronal heating 48 hypervelocity stars 48 Magellanic Stream 48 SN #D 48 antineutrinos 48 protons collide 48 trans Neptunian objects 48 superstorms 48 Type Ia supernovae 48 X ray wavelengths 48 quantum particle 48 moon Enceladus 48 electron neutrino 48 galaxies collide 48 Bullet Cluster 47 jet contrails 47 gravitationally bound 47 meteoroid 47 magnetic reconnection 47 elliptical galaxies 47 inhomogeneous 47 protoplanet 47 neutron stars 47 Muons 47 Gamma ray bursts 47 elliptical galaxy NGC 47 proto planetary disk 47 cosmological theories 47 Omega Centauri 47 supernova explosion 47 filamentary structure 47 asteroids comets 47 rotating neutron stars 47 atmospheric phenomena 47 B mesons 47 distant supernovae 47 Comet Holmes 47 particles WIMPs 47 emits X rays 47 auroral displays 47 aurorae 47 gamma ray bursts 47 electromagnetic flux 47 ionized gases 47 dense clumps 47 gamma ray emitting 47 galactic clusters 47 moon Mimas 47 fainter objects 47 cryovolcanism 47 Helix Nebula 47 cosmic ray 47 transiting exoplanets 47 rotational axis 47 dwarf galaxy 47 luminosities 47 Supernova #A 47 Cosmic ray 47 distant quasar 47 Theorists 47 ionized particles 47 galactic cosmic rays 47 globular clusters 47 ionized gas 47 supernova remnants 47 hadron 47 IRC +# 47 earthlike planets 47 Saturnian moon 47 quantum tunneling 47 sterile neutrinos 47 planets orbiting distant 47 transiting planets 46 helium nuclei 46 celestial phenomena 46 Einstein relativity theory 46 Epsilon Aurigae 46 Crab Pulsar 46 ejecta 46 brightnesses 46 sparticles 46 ionised gas 46 Orion nebula 46 auroral activity 46 comet McNaught 46 momenta 46 Hot Jupiters 46 planetary atmospheres 46 gamma rays 46 Hawking radiation 46 Gliese #c 46 linearly polarized light 46 optical spectra 46 ionized plasma 46 gravitational interactions 46 Mandushev 46 Bug Nebula 46 CAIs 46 electro magnetism 46 Wolf Rayet star 46 astrophysical 46 micro meteorites 46 interacting galaxies 46 pions 46 solar prominences 46 periodic oscillations 46 Shri Kulkarni 46 starburst galaxies 46 RHESSI 46 planets asteroids 46 Mott insulator 46 sundog 46 protoplanetary disk 46 elliptical orbits 46 eclipsing binaries 46 galactic alignment 46 emit X rays 46 interstellar cloud 46 X ray spectra 46 WIMPs 46 Higgs particle 46 submillimeter 46 dwarf galaxies 46 crystalline silicates 46 galactic nucleus 46 Geminids meteor shower 46 comet Hale Bopp 46 carbonaceous chondrites 46 colliders 46 blackholes 46 highly elliptical orbits 46 femtosecond timescale 46 galaxy NGC 46 galaxy M# [002] 46 retrograde orbits 46 P/# A2 46 isotope fractionation 46 zodiacal light 46 corona discharge 46 Saturn rings 46 metallicity 46 galactic collisions 46 Magellanic Clouds 46 constellation Eridanus 46 planetary nebulas 46 Cosmic Microwave Background 46 comet tail 46 dust enshrouded 46 Saturn magnetosphere 45 dynamical evolution 45 transiting planet 45 merging galaxies 45 X ray telescopes 45 Cepheid variables 45 Perseus Cluster 45 circumstellar dust 45 quasar 45 Doppler shift 45 antimatter particle 45 magnetospheric 45 geomagnetic disturbances 45 magnetic substorms 45 supernovae explosions 45 Sagittarius dwarf galaxy 45 hypervelocity 45 Orionids 45 impactors 45 ionize 45 Galilean moons 45 silicon monoxide 45 extrasolar planets orbiting 45 superheavy elements 45 meteoroids 45 exoplanet orbiting 45 magnetospheres 45 Saturnian 45 intracluster 45 constellation Hercules 45 assumed planets circling 45 supernova 45 bosonic 45 dipolar 45 UV photons 45 meteorological phenomena 45 Earth radii 45 GRB #A 45 Ordovician extinction 45 globular cluster M# 45 Hipparcos 45 astrophysicists 45 pulsars 45 Meteor showers 45 photosphere 45 galaxy formation 45 spiral nebulae 45 HII regions 45 Maunder minimum 45 Comet Elenin 45 nebulas 45 red supergiants 45 supergiants 45 Gondolo 45 coronal loop 45 hot Jupiters 45 Type 1a supernova 45 Eagle Nebula 45 graphite whiskers 45 GRB# 45 dirty snowballs 45 Arches Cluster 45 Earthlike planets 45 collisional 45 axion 45 X ray emitting 45 constellation Bootes 45 Oort Cloud 45 CoRoT 9b 45 RX J# 45 Cat Paw Nebula 45 explosive eruptions 45 geoneutrinos 45 ionospheric 45 GJ #b [002] 45 Saturnian moons 45 Comet Halley 45 astrophysical objects 45 Kelvin Helmholtz 45 planetary magnetospheres 45 strange quarks 45 planetary nebula 45 exoplanetary 45 electrons positrons 45 Alfvén waves 45 retrograde orbit 45 nebula 45 gravitational lenses 44 brown dwarfs 44 Gravitational 44 spiral galaxy NGC 44 Crab Nebula 44 solar radii 44 prebiotic molecules 44 vortexes 44 reionization 44 Stephan Quintet 44 X ray observatory 44 pulsar 44 supernova remnant 44 astronomical phenomena 44 thermal gradients 44 detect gravitational waves 44 planet Uranus 44 electron neutrinos 44 colliding galaxies 44 Jovian moons 44 obscuration 44 duststorms 44 muons 44 starburst galaxy 44 coronal 44 Virgo Cluster 44 constellation Cetus 44 distant galaxy 44 CoRoT 7b 44 CMEs 44 antihelium 4 44 Herbig Ae Be 44 interstellar magnetic 44 energetic gamma rays 44 astrobiological 44 quantum oscillations 44 Astrophysicists 44 spicules 44 atmospheric aerosols 44 lunar equator 44 distant supernovas 44 baryonic matter 44 cosmic rays 44 RY Sagittarii 44 gamma ray burst 44 reflection nebula 44 supersolid 44 quasiparticles 44 Tempel Tuttle 44 solitons 44 planetary alignments 44 cluster NGC 44 quasiparticle 44 Tevatron experiments 44 meteors 44 oppositely directed 44 Pulsars 44 unconventional superconductivity 44 coronal mass ejections 44 Aurigid 44 Coronal Mass Ejections 44 nebulae 44 Bose Einstein condensates 44 gravitons 44 cosmic ray intensity 44 Quadrantids 44 stellar seismology 44 Coma cluster 44 habitable worlds 44 thermonuclear fusion 44 constellation Aquarius 44 chemtrails 44 SMBHs 44 SMM J# 44 planets 44 meteorite impacts 44 GALEX 44 spin precession 44 stratospheric aerosols 44 Mott insulators 44 asteroid impacts 44 Martian craters 44 supermassive black holes 44 Jenniskens 43 particles emitted 43 Tycho supernova remnant 43 prominences 43 Uranian 43 Delta Cephei 43 Eta Aquarids 43 extraterrestrial civilizations 43 noctilucent clouds 43 ULP cepheids 43 gravitational waves 43 luminous galaxies 43 wavefunction 43 Hubble Constant 43 spiral galaxies 43 heliospheric 43 Nibiru 43 pulsations 43 Antennae Galaxies 43 distant galaxies 43 lightwaves 43 meteor impacts 43 Galilean satellites 43 chemtrail 43 neutron star 43 Beta Pictoris b 43 Vibrio fischeri 43 geomagnetic storms 43 Trapezium 43 gravitational redshift 43 interstellar dust grains 43 Earthlike 43 Ring Nebula 43 scale invariance 43 habitable planets 43 Corot 9b 43 Earth magnetosphere 43 comets asteroids 43 gravitational lens 43 Kuiper belt 43 blue straggler 43 Andromeda Galaxy 43 cometary dust 43 Toutatis 43 Perseid meteors 43 Comet Hartley 43 photochemistry 43 HD#b 43 Earth asteroids NEAs 43 relativistic electrons 43 constellation Cassiopeia 43 corona 43 comets orbiting 43 quasars 43 orbiting Hubble Space Telescope 43 dinosaur extinction 43 diffusive 43 Jupiter moons 43 comet orbit 43 Kuiper Belt Object 43 particle physics experiments 43 cyclicity 43 clumpiness 43 fermionic 43 Geomagnetic storms 43 lenticular clouds 43 Evolution Explorer 43 Milankovitch 43 readily observable 43 glows brightly 43 comets meteors 43 ecliptic 43 Cancri e 43 micron wavelengths 43 NEAs 43 superdense 43 Corot 7b 43 cosmic cannibal 43 supermassive black hole 43 planetesimals 43 Pyroclastic flows 43 Jovian planets 43 CoRoT satellite 43 runaway thermonuclear 43 YORP effect 43 magnetic dipole 43 Hawking Radiation 43 polaritons 43 NGC #A 43 Bonnie Buratti 43 stellar nurseries 43 spectroscopic measurements 43 tidally 43 Triangulum Galaxy 43 XTE J# 43 cosmic gamma rays 43 ULIRGs 43 strangelets 43 meteoroid impacts 43 Comet NEAT 43 CMB radiation 43 fermion 43 conduction electrons 43 constellation Centaurus 43 magnetic excitations 43 Phys. Rev. Lett 43 moons orbiting 43 vaporises 43 Dwarf galaxies 43 Comet Tempel Tuttle 43 periodic dimming 43 Kuiper Belt object 43 J# +# [002] 43 galactic equator 43 GRB 43 antiparticle 43 Einstein equations 43 TNOs 42 comet Tempel Tuttle 42 electrons behave 42 asteroseismology 42 gravitational pulls 42 Taurids 42 ferroelectricity 42 volcanic plumes 42 Halley comet 42 dynamical processes 42 Saturn Cassini 42 TrES 4 42 GQ Lupi 42 observable universe 42 olivine mineral 42 gaseous planet 42 cometary impacts 42 gravity warps 42 Pieter van Dokkum 42 Rossby waves 42 Beehive Cluster 42 AU Mic 42 planets orbiting stars 42 GeV 42 galaxy clusters 42 Rosette Nebula 42 smallest exoplanet 42 Astrophysical 42 planets circling 42 SUSY 42 superheated plasma 42 foreground galaxy 42 gaseous planets 42 radial velocity 42 isotopic compositions 42 cirrus cloud 42 CMB photons 42 cosmic ray electrons 42 airglow 42 Cosmologists 42 superstrings 42 astronomers 42 planetary embryos 42 lowermost mantle 42 neutrino mass 42 solar flares 42 Newtonian gravity 42 Gamma ray burst 42 asteroid collisions 42 HD #b [002] 42 Oort cloud 42 Heliospheric Observatory SOHO 42 iron pnictides 42 astrometry 42 Auger Observatory 42 planetary transits 42 Fomalhaut b 42 Astrophysics Cambridge Mass. 42 Rayleigh scattering 42 branes 42 diffract 42 Deep Impact comet 42 celestial object 42 supersonically 42 galaxies 42 XMM Newton 42 Earths orbiting 42 substorm 42 mesosphere 42 torus 42 cosmic 42 planets orbiting 42 Coma Cluster 42 Maxwell equations 42 planetoids 42 Comet Hartley 2 42 cometary 42 cosmic collisions 42 super Earths 42 liquid ethane 42 occulted 42 cosmic particles 42 zodiac constellations 42 SCP #F# 42 X ray observatories 42 pseudogap phase 42 planets comets 42 nanosize 42 supercooled liquid 42 Bose Einstein condensation 42 Microbursts 42 constellation Coma Berenices 42 gravitational lensing 42 polar vortex 42 Earth magnetotail 42 gamma ray telescope 42 galaxy cluster 42 Triangulum 42 polar caps 42 type 1a supernovae 42 atomic lattice 42 Comet 9P/Tempel 1 42 magnetized plasma 42 sun corona 41 Iapetus 41 Schwarzschild radius 41 crystalline solids 41 topological insulators 41 galactic halo 41 Cosmic Microwave Background CMB 41 Majorana fermions 41 subatomic particles 41 excitations 41 Brownian motion 41 negative refraction 41 fission fusion 41 inhomogeneities 41 Extrasolar planets 41 planets atmospheres 41 solar corona 41 Gamma ray bursts GRBs 41 spacetime 41 planetary Transits 41 celestial 41 particle colliders 41 submillimeter galaxies 41 magnons 41 Lagoon Nebula 41 planet orbiting 41 Tunguska meteorite 41 interstellar distances 41 orbital inclination 41 exosolar planets 41 polar latitudes 41 Neutrons 41 microphysical 41 Pleiades cluster 41 Orion constellation 41 radial velocity technique 41 amateur skywatchers 41 VISTA telescope 41 Coronal Mass Ejection 41 mesospheric 41 IRAS #-# 41 magnetic flux 41 Lyrids 41 RXTE 41 copper oxide superconductors 41 super nova 41 cumulus cloud 41 Vourlidas 41 galaxy 41 contrails 41 polar mesospheric clouds 41 constellation Virgo 41 Orionid meteors 41 Ulysses spacecraft 41 observationally 41 electrons protons 41 erupt explosively 41 Casimir cavity 41 Pluto Charon 41 phenomena 41 magnetic polarity 41 gravitational wave 41 photochemical processes 41 brown dwarf 41 Einstein theories 41 HiRISE image 41 particle beams 41 starbursts 41 comet nucleus 41 astronomical objects 41 MG J# +# 41 orbital velocity 41 extrasolar planet 41 Swift Tuttle 41 Gemini constellation 41 micrometeoroids 41 stellar occultations 41 earths 41 Yellowstone supervolcano 41 high temperature superconductivity 41 supermoon 41 hydrostatic equilibrium 41 ESO telescope 41 missing baryons 41 biosignatures 41 Saturn moons 41 planet HD #b 41 atomic nucleus 41 tropospheric 41 aether 41 fractal patterns 41 galaxy M# [001] 41 Super Earths 41 Milky Way Galaxy 41 Geminid 41 extraterrestrial origin 41 planet Gliese #g 41 GRB # 41 CoRoT #b 41 atomic particles 41 dynamical 41 isostatic rebound 41 habitable planet 41 supersymmetric 41 physicists 41 twin STEREO spacecraft 41 polarized electrons 41 Enceladus 41 cosmic ray collisions 41 cosmic microwave radiation 41 particles 41 tropospheric warming 41 mantle plumes 41 Leonid meteors 40 Comet Hale Bopp 40 rocky planets 40 LASCO imagery 40 PSR J# 40 atmospheric disturbances 40 extrasolar planetary systems 40 observable phenomena 40 singularities 40 plasmasphere 40 ultracold 40 Orion Nebula 40 circular orbits 40 thermonuclear explosions 40 tectonic plate movements 40 ducted propeller 40 mineral olivine 40 fermions 40 V# Sgr 40 ultracold atoms 40 spinning neutron stars 40 volcanic plume 40 Puppis 40 outer corona 40 comet hurtling 40 bacterial flagellum 40 OGLE TR 40 e MERLIN 40 arcsecond 40 Tharsis Rise 40 Elliptical galaxies 40 Comet Lulin 40 Wolszczan 40 cometary debris 40 relativistic protons 40 Milankovitch cycles 40 antiquarks 40 vibrational modes 40 biosignature 40 morphologies 40 empirically testable 40 Steven Cummer 40 interstellar particles 40 supercooling 40 sunlike star 40 constellation Ursa Major 40 chromosphere 40 spacecraft flyby 40 pseudogap 40 Saturn moon Iapetus 40 topological defects 40 Eridanus 40 meteor 40 albedo reflectivity 40 Relativistic 40 sized planets orbiting 40 UDFy # 40 QQ# 40 comet 40 phlogiston 40 convective storms 40 interstellar dust 40 HL Tau 40 faraway galaxies 40 orbiting telescopes 40 tropical latitudes 40 cosmological 40 heavy fermion 40 mesocyclone 40 hydrogen isotopes 40 perturbations 40 tidal bulge 40 constellation Auriga 40 celestial sphere 40 coronal mass ejection 40 oxygenic photosynthesis 40 Dust devils 40 constellation Scorpius 40 blackbody radiation 40 brightest supernova 40 UFO phenomena 40 Syrtis Major 40 Sibeck 40 Hanny Voorwerp 40 lunar perigee 40 auroras 40 Substorms 40 lunar meteorites 40 floating orbs 40 microlensing events 40 Upsilon Andromedae b 40 Henize #-# 40 planets constellations 40 convection currents 40 positron 40 Rydberg atom 40 Milky Way 40 Delta Aquarids 40 Voyager spacecraft 39 ramjets 39 Quadrantid meteor shower 39 ultraviolet radiation emitted 39 Earth biosphere 39 sonoluminescence 39 diamagnetic 39 topological insulator 39 fractal pattern 39 carbonate globules 39 Sara Seager 39 Earthly contamination 39 volcanic moon Io 39 Dirac fermions 39 Large Hadron 39 extraterrestrial origins 39 OGLE TR #b 39 suns 39 exo planet 39 Svensmark 39 radial velocity method 39 GZK cutoff 39 electron orbits 39 Higgs singlet 39 extraterrestrial UFOs 39 Hadron Collider 39 KH #D 39 HD# [002] 39 transiting exoplanet 39 constellation Cygnus 39 constellation Gemini 39 orbiting gamma ray 39 ferromagnetism 39 Komossa 39 visible wavelengths 39 antiferromagnets 39 panspermia 39 Perseus constellation 39 sulphate aerosols 39 demoting Pluto 39 Bernhard Fleck 39 constellation Carina 39 Nasa spacecraft 39 inhabitable planets 39 numerical simulations 39 Spitzer infrared spectrograph 39 constellation Ophiuchus 39 cosmological models 39 X ray photons