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(Click for frequent words.) 70 exoplanetary 67 cosmic phenomena 66 X ray telescopes 66 spectroscopic measurements 65 extrasolar planetary systems 65 infrared telescopes 65 gravitational lenses 65 extragalactic 65 astrophysical objects 65 novae 65 supersymmetric particles 64 occultations 64 microlensing events 64 astrophysical 64 distant supernovae 64 X ray observatory 64 Delta Cephei 64 millimeter wavelengths 63 RHESSI 63 cosmological distances 63 transiting exoplanets 63 astronomical objects 63 Gravitational waves 63 type Ia supernovae 63 Kuiper belt objects 63 afterglows 63 Cepheid variables 62 Fermi telescope 62 gamma ray observatory 62 THEMIS satellites 62 blazars 62 astrometry 62 Wolszczan 62 extrasolar 61 planetary nebulae 61 particle physics experiments 61 active galactic nuclei 61 planets orbiting distant 61 Evolution Explorer 61 galaxy formation 61 gravitational microlensing 61 X ray wavelengths 61 filamentary structure 61 AGNs 61 planetary atmospheres 61 X ray observatories 61 galactic mergers 61 galaxies nebulae 61 Hubble observations 61 exo planets 61 Hubble Space Telescope HST 61 Solar TErrestrial RElations Observatory 61 eclipsing binary 61 RXTE 61 planets orbits 61 gamma ray detectors 61 XMM Newton 61 millisecond pulsars 61 distant quasars 61 detect gravitational waves 61 neutrino particles 61 Cepheids 61 HM Cancri 61 lensing galaxy 61 masers 61 Keck Telescope 60 KBOs 60 stellar seismology 60 nebulas 60 Higgs bosons 60 particle acceleration 60 ESA Integral 60 magnetospheres 60 CoRoT satellite 60 Kuiper Belt Objects 60 distant galaxy clusters 60 inhabitable planets 60 cosmological parameters 60 Geminga 60 celestial phenomena 60 magnetars 60 highly elliptical orbits 60 cosmic microwave radiation 60 gravitational radiation 60 Anisotropy Probe WMAP 60 Konacki 60 Earthlike planets 60 SN #A 60 NuSTAR 60 intrinsic brightness 60 Upsilon Andromedae 60 optical interferometry 60 constellations planets 60 cosmic particles 60 astronomical observations 59 exoplanets orbiting 59 planets asteroids 59 magnetic reconnection 59 blazar 59 gamma ray emission 59 AB Aurigae 59 gravitational wave 59 Submillimeter Array 59 cosmic ray particles 59 dynamical evolution 59 fainter objects 59 orbiting gamma ray 59 planets atmospheres 59 outer planets 59 muon neutrino 59 infrared spectrometers 59 Earth ionosphere 59 GRBs 59 Anthony Remijan 59 radial velocity 59 RRATs 59 spectroscopically 59 sized planets orbiting 59 ESA XMM Newton 59 Cancri e 59 nebulae 59 RS Ophiuchi 59 planetary Transits 59 superfluids 59 Andromeda halo 59 merging galaxies 59 Astrophysical 59 infrared astronomy 59 ESO VLT 59 Type Ia supernovae 59 elliptical galaxy NGC 59 transiting planets 59 Beta Pictoris b 59 earthlike planets 59 asteroids comets 58 Gamma ray 58 sterile neutrino 58 Galilean satellites 58 asteroseismology 58 cosmological observations 58 supercomputer simulations 58 interplanetary spacecraft 58 intracluster 58 telescopic observations 58 moon Io 58 Galactic cosmic rays 58 celestial objects 58 ROSAT 58 auroral 58 eclipsing binaries 58 Gamma ray bursts 58 auroral displays 58 planemos 58 supergiant stars 58 Epsilon Aurigae 58 gravitational lensing 58 galactic clusters 58 Planck satellite 58 celestial observations 58 faint galaxies 58 LHC experiments 58 particle colliders 58 nucleosynthesis 58 gamma ray flares 58 globulars 58 X ray spectrometer 58 Jupiter moon Io 58 active galactic nucleus 58 Keck Interferometer 58 gamma ray observatories 58 nebular 58 infrared ultraviolet 58 coronal loops 58 galaxies collide 58 ray Space Telescope 58 GALEX 58 supermassive 58 moons circling 58 exoplanet atmospheres 58 optical wavelengths 58 axions 58 Type Ia supernovas 58 HII regions 58 Cosmic Microwave Background 58 NASA Wilkinson Microwave 58 radial velocity technique 57 spectral fingerprint 57 COROT 57 Krimigis 57 stellar occultation 57 solar corona 57 IBEX spacecraft 57 supernovas 57 Laser Interferometer Gravitational Wave 57 Nasa Kepler 57 Nikku Madhusudhan 57 Saturn aurora 57 supernovae 57 interstellar clouds 57 magnetospheric 57 circumstellar 57 faraway galaxies 57 substorm 57 TGFs 57 chemical abundances 57 HiRISE image 57 planets circling 57 astrometric 57 planetary nebulas 57 habitable planets 57 gamma ray bursts 57 retrograde orbits 57 particle astrophysics 57 binary asteroid 57 ESO telescopes 57 diffraction patterns 57 SCP #F# 57 X ray pulses 57 comets meteors 57 Galileo spacecraft 57 lunar topography 57 UCO Lick 57 Milky Way halo 57 X ray spectra 57 exobiology 57 VISTA telescope 57 extraterrestrial civilizations 57 planetoids 57 noctilucent clouds 57 extrasolar planets orbiting 57 SDSS II 57 Coma cluster 57 UKIRT 57 astronomical phenomena 57 luminous galaxies 57 millisecond pulsar 57 X ray binary 57 starburst galaxies 57 Keck telescope 57 BP Psc 57 SMBHs 57 globular clusters 57 hexagonal mirrors 57 accretion disks 57 Pluto Charon 57 Type Ia supernova 57 astrobiological 57 Magellanic Clouds 57 optical telescopes 57 AERONET 57 orbiting observatories 57 Red Rectangle 57 neutrino experiments 57 gamma ray bursts GRBs 57 Martian craters 57 CoRoT 9b 57 ultracold atoms 57 circumstellar disks 57 VIRTIS 57 detect gamma rays 57 gaseous planets 57 neutralinos 57 cosmological theories 57 trans Neptunian objects 57 starquakes 57 interstellar dust grains 57 submillimetre 56 extraterrestrial UFOs 56 coronal magnetic 56 earthshine 56 microlensing 56 Wilkinson Microwave Anisotropy Probe 56 Galaxy Evolution 56 Enceladus flybys 56 planetary missions 56 EPOCh 56 submillimeter wavelengths 56 spatially resolved 56 distant galaxies 56 redshifts 56 Dalcanton 56 spectrographic 56 Hubble orbits 56 e MERLIN 56 planetary orbits 56 celestial bodies 56 ionospheric 56 dwarf spheroidal galaxies 56 astronomical observatories 56 XMM Newton satellite 56 Comet Halley 56 superstrings 56 impactors 56 Galilean moons 56 planets orbiting sun 56 Herbig Haro 56 retrograde orbit 56 numerical simulations 56 Bose Einstein condensates 56 CMEs 56 astrophysicists 56 mineralogical composition 56 icy moons 56 WISE infrared 56 Great Observatories 56 gamma ray photons 56 SUSY 56 spectroscope 56 Alfven waves 56 polarimetric 56 observatories 56 outermost planets 56 IRC +# 56 elliptical galaxies 56 Kazantzidis 56 gravity warps 56 Corot 9b 56 distant supernovas 56 LOFAR 56 heliospheric 56 proplyds 56 gravitational waves 56 comets asteroids 56 Carina constellation 56 gravitational redshift 56 aurorae 56 gravitational perturbations 56 GJ #b [001] 56 alien civilizations 56 spectroscopic 56 STEREO spacecraft 56 Suzaku X ray 56 planet Gliese #g 56 galactic cosmic rays 56 galactic nuclei 56 Astrophysicists 56 Voyager spacecraft 56 heliophysics 56 AKARI 56 particle detectors 56 astronomers 56 Henize #-# 56 planets constellations 56 SNfactory 56 galactic magnetic 56 XMM Newton observations 56 Astrophysics MOA 56 planetary transits 56 planets 56 protoplanetary 56 multiwavelength 56 TNOs 56 femtosecond timescale 56 habitable worlds 56 ultraviolet wavelengths 56 telescopes 56 observational astronomy 56 X ray binaries 56 CMB radiation 56 Cometary 55 protostars 55 Omega Centauri 55 GRB #B 55 spectral fingerprints 55 Gal Yam 55 galaxy M# [001] 55 X ray emission 55 Mini TES 55 gravitational interactions 55 neutrino physics 55 protons collide 55 planets comets 55 retroreflector 55 ULP cepheids 55 Coma Cluster 55 Jovian moons 55 cosmological models 55 Epsilon Eridani 55 Gravitational lensing 55 situ measurements 55 polarimetry 55 stellar nurseries 55 Seyfert galaxies 55 meteoritic material 55 exosolar planets 55 Type Ia 55 galaxy M# [002] 55 moonquakes 55 synchrotrons 55 coronal holes 55 microshutters 55 optical spectra 55 microbial ecosystems 55 Interstellar Boundary Explorer 55 supersymmetric 55 Advanced LIGO 55 atom smashers 55 Adaptive optics 55 planetary alignments 55 neutrino oscillation 55 Doppler shifts 55 asteroid orbit 55 fractal patterns 55 origins spectrograph 55 Higgs particle 55 diffuse aurora 55 dimming starlight 55 red supergiants 55 gamma ray telescopes 55 rotating neutron stars 55 stellar occultations 55 spiral nebulae 55 quasars 55 OGLE TR #b 55 MG J# +# 55 Spitzer infrared 55 Cosmic Background Explorer COBE 55 starburst galaxy 55 neutrino oscillations 55 Ultraviolet Optical Telescope 55 electroweak 55 Type 1a supernovae 55 Cygnus Lyra region 55 coronal mass ejections CMEs 55 brightnesses 55 carbonaceous chondrites 55 neutrino detectors 55 celestial mechanics 55 NASA THEMIS 55 Einstein theories 55 planet magnetosphere 55 antineutrinos 55 NASA Cosmic Background 55 Fermi Gamma ray 55 Orbiter LRO 55 spectroscopic analysis 55 Ring Nebula 55 pulsars 55 Perseus Cluster 55 protoplanetary disks 55 spectroscopic observations 55 geoneutrinos 55 extrasolar worlds 55 J# +# [002] 55 prebiotic molecules 55 general relativity 55 Nasa spacecraft 55 electromagnetic signals 55 Bok globules 55 spectral measurements 55 lunar crust 55 airglow 55 Einstein equations 55 Mössbauer 55 Cat Paw Nebula 55 RS Oph 55 constellation Eridanus 55 HiRISE camera aboard 55 Mandushev 55 Gamma ray burst 55 gamma ray telescope 55 Kuiper Belt objects 55 nanomechanics 55 accretion disk 55 Samuel Oschin Telescope 54 blue supergiant 54 exoplanet orbiting 54 SIRTF 54 microquasar 54 galaxy redshift 54 Orion nebula 54 comet Boethin 54 Saturn magnetosphere 54 Comet Machholz 54 galaxy clusters 54 Stephan Quintet 54 outer corona 54 elliptical orbits 54 quantum phenomena 54 cosmic strings 54 extrasolar planetary 54 sunlike stars 54 GROND 54 Area Telescope LAT 54 backscattered 54 Diviner instrument 54 Martian meteorites 54 interferometers 54 Mars landers 54 SINFONI 54 Comet Hartley 54 planetary surfaces 54 Pan STARRS 54 energetic electrons 54 photometry 54 singularities 54 Muons 54 Venusian atmosphere 54 Earth magnetosphere 54 orbiting Hubble Space Telescope 54 periodic dimming 54 GLAST telescope 54 electron neutrinos 54 ionised gas 54 TrES 4 54 Rosetta lander 54 exo planet 54 stargates 54 Bullet Cluster 54 HARPS instrument 54 comet nuclei 54 ESO Paranal Observatory 54 ESO PR 54 mineralogical mapping 54 luminosities 54 binary asteroids 54 infalling 54 energetic cosmic rays 54 type Ia supernova 54 telescopes astronomers 54 Saturn Enceladus 54 Doppler shift 54 dynamical processes 54 Sasselov 54 D CIXS 54 supernova explosions 54 coronagraph 54 SPIRE instrument 54 Keck telescopes 54 Climate Experiment GRACE 54 Kepler Mission 54 Array ALMA 54 auroral emissions 54 lunar landers 54 polar mesospheric clouds 54 jovian 54 CALIPSO 54 tau neutrinos 54 neutron stars 54 brown dwarfs 54 Synchrotron radiation 54 magnetic monopoles 54 SN#A 54 interacting galaxies 54 satellites orbiting Earth 54 SN #D 54 galactic collisions 54 unmanned probes 54 Neutron stars 54 matter antimatter asymmetry 54 exoplanets planets 54 STEREO satellites 54 supernova remnants 54 Comet Holmes 54 atmospheric chemistry 54 supergiant star 54 VLBA observations 54 spaceborne 54 star clusters nebulae 54 Fornax cluster 54 SEGUE 54 constellation Carina 54 moons orbiting 54 VLBA 54 Cosmic rays 54 Lyman alpha 54 APXS 54 celestial sphere 54 UVOT 54 coronal heating 54 Kepler Space Telescope 54 Cosmic Background Explorer 54 terrestrial planets 54 Supernova #A 54 amateur skywatchers 53 axion 53 Anisotropy Probe 53 RAINEX 53 GRB #A 53 orbiting Chandra 53 C1XS 53 Hipparcos 53 Deep Impact eXtended Investigation 53 astronomy 53 Churyumov Gerasimenko 53 Saturn Cassini 53 Hanny Voorwerp 53 Comet Hartley 2 53 extrasolar planets 53 Einstein relativity theory 53 lunar craters 53 volcanic plumes 53 hypernova 53 coronal mass ejections 53 Thermal Emission Spectrometer 53 Crab Pulsar 53 Hubble Telescope 53 planets moons 53 STEREO mission 53 reionization 53 faintest galaxies 53 Martian rovers 53 ATLAS detector 53 comet nucleus 53 cosmological 53 Amateur astronomers 53 relativistic jets 53 galactic bulge 53 galactic cores 53 zodiac constellations 53 baryon 53 Wolf Rayet stars 53 COBE satellite 53 HUDF 53 Charon Pluto 53 proto galaxies 53 exoplanetary systems 53 synchrotron x ray 53 Grillmair 53 Magnetars 53 VLTI 53 Richard Mushotzky 53 Jupiter Uranus 53 photochemistry 53 interstellar cloud 53 superstring theory 53 Herschel telescope 53 Saturnian moon Titan 53 Explorer WISE 53 nebulosity 53 auroras 53 meter Keck telescopes 53 sterile neutrinos 53 Mercury magnetosphere 53 gradiometer 53 atmospheric phenomena 53 gravitationally lensed 53 Io Europa 53 interferometry 53 cosmic ray 53 Keck Observatory 53 photometric 53 Fomalhaut b 53 galaxies 53 NASAs 53 Adam Riess 53 prograde 53 observationally 53 cosmic cannibal 53 binary quasar 53 transiting planet 53 Wide Angle Search 53 Descent Imager Spectral Radiometer 53 orbited Jupiter 53 Herschel Space 53 Earths orbiting 53 Auger Observatory 53 comet McNaught 53 magnetic fields 53 astrophysics 53 gravitational lens 53 Marc Kuchner 53 gamma ray burst 53 biosignatures 53 nucleon 53 relativity theory 53 NEAs 53 N. Rathnasree 53 colliders 53 CERN LHC 53 LOFAR telescope 53 Burst Alert 53 SMBH 53 Earthshine 53 Earthlike planet 53 neutron spectrometer 53 inhomogeneous 53 lunar equator 53 ESA Cluster 53 powder diffraction 53 auroral activity 53 interstellar grains 53 moons orbiting Saturn 53 dust enshrouded 53 Kailash Sahu 53 distant quasar 53 noctilucent 53 FORCAST 53 elongated orbits 53 cosmology 53 particles WIMPs 53 Halzen 53 protostar 53 planetary science 53 periodicities 53 Higgs singlet 53 GRB# 53 planets orbiting stars 53 HD#b 53 Cassini flyby 53 Heterodyne Instrument 53 attosecond pulses 53 Telescope BAT 53 Dwarf galaxies 53 interstellar molecules 53 Computer simulations 53 planet Uranus 53 Earth orbiting satellites 53 MINOS 53 planetary astronomer 53 Orion Nebula 53 dwarf galaxies 53 cluster NGC 53 inhomogeneities 53 Hawking radiation 53 CDMS experiment 53 biogeochemical 53 LIGO 52 prebiotic chemistry 52 cosmic rays 52 magnetotail 52 sparticles 52 imaging spectrometer 52 gamma rays emitted 52 Active Galactic Nuclei 52 MicroFUN 52 ARPES 52 SN #gy 52 photosphere 52 moon Charon 52 relativistic particles 52 DISR 52 Trojan asteroids 52 spiral galaxies 52 gravitons 52 cosmologists 52 UFO phenomena 52 exosphere 52 Spacewatch 52 pointings 52 SNe Ia 52 Atacama Large Millimeter Array 52 constellation Cassiopeia 52 eccentric orbits 52 infall 52 P/# A2 52 Distant galaxies 52 Alfvén waves 52 tau neutrino 52 Gamma ray bursts GRBs 52 unconventional superconductivity 52 NASA Far Ultraviolet 52 supernovae explode 52 spectrographs 52 Planck telescope 52 colloidal crystals 52 THEMIS spacecraft 52 PSR B# +# 52 Neutron Spectrometer 52 robotic rovers 52 interstellar boundary 52 globular cluster 52 Toutatis 52 Elenin 52 Jonathan Lunine 52 Fermi LAT 52 Huygens mission 52 HUDF# 52 boson 52 SuperWASP 52 distant galaxy 52 Mars Phobos 52 assumed planets circling 52 morphologies 52 cryo electron microscope 52 submillimeter galaxies 52 SN #C 52 NASA Chandra 52 planet Gliese #c 52 radial velocities 52 MARSIS radar 52 dusty disks 52 WMAP satellite 52 radial velocity method 52 magnetic substorms 52 imaging spectroscopy 52 DEM L# 52 SN #E 52 Cherenkov radiation 52 kaons 52 elliptical galaxy 52 energetic gamma rays 52 ESO Very Large Telescope 52 moon Mimas 52 hyper spectral 52 interstellar dust 52 photochemical reactions 52 orbiters landers 52 Neptune Uranus 52 spectroscopic techniques 52 Arches Cluster 52 USArray 52 homochirality 52 Saturnian system 52 Werthimer 52 EVLA 52 cosmic ray collisions 52 Elliptical galaxies 52 faraway planets 52 ULIRGs 52 silicon monoxide 52 NASA ICESat 52 Circinus X 1 52 ultracold gases 52 NEOSSat 52 EarthCARE 52 x ray pulses 52 gamma rays 52 magnetosphere 52 Spitzer infrared spectrograph 52 ultrashort pulses 52 galactic disk 52 HD# [002] 52 Context Camera 52 Trifid Nebula 52 JDEM 52 Gliese #e 52 Bojowald 52 Convection Rotation 52 comets orbiting 52 infrared interferometry 52 Saturn rings 52 Alexey Vikhlinin 52 PSR J# 52 infrared wavelengths 52 NASA Lunar Prospector 52 supernovae explosions 52 Project Ozma 52 Helioseismic 52 HESS telescopes 52 particle accelerators 52 observables 52 Saturn moons 52 oceanographic measurements 52 cometary dust 52 protoplanetary disk 52 Great Observatories Origins 52 Avishay Gal Yam 52 ESO telescope 52 Saturnian moons 52 orbiting telescopes 52 Planetary Transits 52 celestial object 52 orbital rendezvous 52 Keck Telescopes 52 neutron diffraction 52 gamma ray spectrometer 52 ecliptic plane 52 comet Lulin 52 solitons 52 twin Voyager spacecraft 52 X ray spectroscopy 52 R Coronae Borealis 52 Observatory SDO 52 electromagnetic flux 52 Shri Kulkarni 52 solar neutrinos 52 atmospheric oceanic 52 cryo EM 52 ESA Herschel 52 Grammier 52 colliding galaxies 52 NASA Fermi Gamma 52 submillimeter 52 geomagnetism 52 neutrino 52 Ground penetrating radar 52 photoelectron spectroscopy 51 Solar flares 51 planets orbiting 51 Exoplanet 51 cosmic ray flux 51 X ray afterglow 51 ionized gases 51 neutron scattering 51 Andromeda Galaxy 51 barred spiral galaxy 51 diffraction pattern 51 gamma ray detector 51 neutrino mass 51 asteroidal 51 antiparticle 51 crustal thickness 51 spacetime 51 fading afterglow 51 neutron beams 51 Veil Nebula 51 weak gravitational lensing 51 KamLAND 51 particle physics 51 KH #D 51 Solar Orbiter 51 Maunder minimum 51 Gaensler 51 ExoMars rover 51 permanently shadowed craters 51 Helix Nebula 51 Rosetta orbiter 51 ALMA antennas 51 interferometric technique 51 infrared wavelength 51 Cassini Huygens 51 zodiacal light 51 Spudis 51 V# Mon 51 Infrared Array Camera 51 planetary magnetospheres 51 W boson 51 superheavy elements 51 basaltic rocks 51 radial velocity measurements 51 supernova explosion 51 moonlets 51 Dauphas 51 lightwaves 51 lobate scarps 51 Dumbbell Nebula 51 Astrosat 51 VHE gamma rays 51 electrodynamics 51 globular cluster M# 51 planet TrES 51 Cosmic Origins Spectrograph COS 51 Particle physics 51 Sagittarius dwarf galaxy 51 HIRES spectrometer 51 Mini SAR 51 YORP effect 51 reionization epoch 51 interferograms 51 microwave radiometers 51 gravitationally bound 51 orbital resonance 51 interstellar dust clouds 51 Sagittarius B2 51 Comet Lulin 51 Interferometer VLTI 51 Hyper spectral 51 sodium atoms 51 astronomical telescope 51 Komossa 51 Kepler spacecraft 51 WM Keck Observatory 51 Hubble Near Infrared 51 rocky planets 51 LHCb 51 Trapezium 51 Cosmologists 51 substorms 51 KIPAC 51 foreground galaxy 51 X ray Observatory 51 Mars Color Imager 51 hadron 51 Jovian planets 51 observing satellites 51 proto cluster 51 Orionids 51 Saturnian moon 51 Andromeda galaxy 51 IKAROS 51 NASA STEREO 51 Optical Gravitational Lensing Experiment 51 radar interferometry 51 WASP #b 51 IceCube 51 WFC3 51 Exoplanets 51 NGC# 51 Terrestrial Planet Finder 51 theoretical cosmology 51 photoluminescence 51 Foing 51 magnetic monopole 51 proton antiproton 51 microphysical 51 geologies 51 orbiting planets 51 geochemists 51 Pleiades cluster 51 Cosmic Microwave Background CMB 51 amateur astronomers peering 51 planetary 51 subatomic particle 51 Voorwerp 51 Cepheid variable 51 NASA Gamma ray 51 muon neutrinos 51 UVES