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(Click for frequent words.) 73 dimming starlight 69 extrasolar 68 exoplanetary 67 planets orbiting distant 66 Kuiper belt objects 66 astrophysical objects 66 distant supernovae 66 Upsilon Andromedae 65 inhabitable planets 65 astrophysical phenomena 65 occultations 65 terrestrial planets 65 Earthlike planets 65 Kuiper Belt Objects 64 KBOs 64 gravitational lenses 64 Cepheid variables 64 sized planets orbiting 64 mineralogical composition 64 habitable planets 64 gravitational microlensing 64 gamma ray observatory 64 retrograde orbits 64 Earthlike 64 extrasolar planets 64 supersymmetric particles 63 planetary nebulae 63 astronomical objects 63 habitable zones 63 planets comets 63 X ray wavelengths 63 planets 63 reionization 63 sunlike stars 63 galaxy formation 63 transiting exoplanets 63 supernovae explode 63 planemos 63 OGLE TR #b 63 exo planets 62 Astrophysical 62 Jupiter icy moons 62 SINFONI 62 GJ #b [001] 62 Pluto Charon 62 CoRoT 9b 62 cosmological observations 62 solar corona 62 millimeter wavelengths 62 Keck Interferometer 62 magnetospheric 62 X ray telescopes 62 CMB radiation 62 carbonaceous chondrites 62 fainter objects 62 biosignatures 61 cosmological distances 61 eclipsing binary 61 Astrophysics MOA 61 exoplanets orbiting 61 Corot 9b 61 extragalactic 61 neutral mass spectrometer 61 RRATs 61 astrometric 61 stellar seismology 61 gravitationally lensed 61 merging galaxies 61 cosmic microwave radiation 61 radial velocity 61 Higgs bosons 61 stellar occultation 61 microlensing events 61 coronal loops 61 transiting planets 61 EPOCh 61 brown dwarfs 61 habitable worlds 61 ESO VLT 61 Saturn Enceladus 61 sterile neutrino 61 Beta Pictoris b 61 cosmological parameters 61 stellar occultations 61 intrinsic brightness 61 AB Aurigae 61 rocky planets 61 SMBHs 61 luminous galaxies 60 Gravitational waves 60 phyllosilicates 60 microlensing 60 Fermi telescope 60 active galactic nuclei 60 planets orbiting 60 earthlike planets 60 Earthlike planet 60 polarimetry 60 Astrological lore 60 astrobiological 60 astronomers 60 retrograde orbit 60 planetary transits 60 GRBs 60 tholins 60 Mössbauer 60 distant galaxy clusters 60 gaseous planets 60 nebular 60 planets asteroids 60 VIRTIS 60 HD#b 60 galactic cosmic rays 60 magnetars 60 interstellar dust grains 60 protoplanet 60 asteroseismology 60 supernovae 60 magnetospheres 60 Microlensing 60 distant supernovas 60 APXS 60 spiral nebulae 60 COROT 60 planets atmospheres 60 particle acceleration 60 Virgo Cluster 60 smallest exoplanet 60 Solar TErrestrial RElations Observatory 60 HARPS spectrograph attached 60 CoRoT satellite 60 astrometry 60 exo planet 60 BLG #Lb 60 exosolar planets 60 prebiotic molecules 60 J# +# [002] 60 Planck satellite 60 planetary Transits 60 gravitational lensing 60 blazars 60 electron neutrinos 60 Milky Way halo 60 Cancri e 60 planet Gliese #g 59 radial velocity technique 59 Corot 7b 59 planetary atmospheres 59 Planetary Transits 59 AGNs 59 X ray binaries 59 cosmic phenomena 59 Drake Deming 59 filamentary structure 59 P/# A2 59 Exoplanet 59 Helioseismic 59 redshifts 59 chemical abundances 59 Gliese #c 59 magnetic monopoles 59 spectroscopic observations 59 Heterodyne Instrument 59 HARPS instrument 59 martian meteorites 59 Io Europa 59 noctilucent clouds 59 MG J# +# 59 exoplanetary systems 59 interstellar cloud 59 Pan STARRS 59 axions 59 circumstellar disks 59 XMM Newton 59 exoplanet 59 RHESSI 59 Omega Centauri 59 Wolszczan 59 neutralinos 59 X ray observatory 59 spatially resolved 59 Venusian atmosphere 59 Galaxy Evolution 59 protoplanetary disks 59 exoplanets planets 59 GALEX 59 nucleosynthesis 59 stellar nurseries 59 airglow 59 Triangulum Galaxy 59 asteroids comets 59 moons circling 59 NASA Wilkinson Microwave 59 icy moons 59 planets constellations 59 Evolution Explorer 59 ESA XMM Newton 59 GRB #B 59 SN #C 59 Epsilon Eridani 59 Magellanic Clouds 59 Hubble observations 59 Jupiter moon Io 59 metallicity 59 distant quasars 59 TrES 4 59 galaxy redshift 59 Fomalhaut b 59 superfluids 59 Kepler Mission 59 astrophysical 58 Kepler 9c 58 transiting planet 58 potentially habitable planets 58 Type Ia supernovae 58 GJ #b [002] 58 Neutron Spectrometer 58 Galilean satellites 58 Gravitational lensing 58 Anthony Remijan 58 Cygnus Lyra region 58 exoplanets 58 plutoids 58 Gamma ray bursts 58 Kuiper Belt Object 58 SNfactory 58 trans Neptunian objects 58 comets meteors 58 luminosities 58 extrasolar planets orbiting 58 orbiting gamma ray 58 starburst galaxy 58 carbonate globules 58 gamma ray observatories 58 BP Psc 58 astrobiologists 58 Exoplanets 58 Cosmic Microwave Background 58 highly elliptical orbits 58 Interstellar Boundary Explorer 58 Pluto Eris 58 diffraction patterns 58 Wolfgang Brandner 58 potentially habitable 58 Super Earths 58 cometary material 58 periodic dimming 58 missing baryons 58 galaxy M# [001] 58 Nikku Madhusudhan 58 comets asteroids 58 photosphere 58 dwarf spheroidal 58 Sasselov 58 exobiology 58 globulars 58 Spectroscopic 58 nebulae 58 galactic mergers 58 extrasolar planet 58 Wilkinson Microwave Probe 58 DEEP2 58 Anisotropy Probe 58 X ray spectrometer 58 SEGUE 58 exoplanet atmospheres 58 ESA Herschel 58 planets moons 58 comets orbiting 58 globular cluster 58 Cepheids 58 cosmic cannibal 58 Gliese #d 58 Delta Cephei 58 SN #A 58 lunar crust 58 extrasolar planetary 58 Oort Cloud 58 meteoritic material 58 X ray emission 58 Descent Imager Spectral Radiometer 58 XMM Newton satellite 58 spectroscopic analysis 58 Milky Way Galaxy 58 novae 58 NEAs 58 SNe Ia 58 type Ia supernovae 58 Kepler #b 58 infrared telescopes 58 largest moon Charon 58 Astrophysics Cambridge Mass. 58 gravitational wave 58 substorm 58 constellations planets 58 gaseous planet 58 spectroscopically 57 Trojan asteroids 57 AU Mic 57 Long Wavelength Array 57 Terrestrial Planet Finder 57 Comet Hartley 2 57 gamma ray bursts 57 Magnetospheric 57 Higgs particle 57 HiRISE camera aboard 57 supersymmetric 57 distant quasar 57 quasars 57 spectroscopic measurements 57 chondrites 57 submillimeter wavelengths 57 HM Cancri 57 Mars Climate Sounder 57 THEMIS Image 57 neutralino 57 galaxies 57 Explorer WISE 57 planets circling 57 Kuiper Belt object 57 bolometers 57 magnetar 57 Kuiper belt object 57 XMM Newton X ray 57 coronagraph 57 magnetotail 57 detect gravitational waves 57 HiRISE image 57 polar mesospheric clouds 57 telescopic observations 57 subsurface ocean 57 exoplanet orbiting 57 weak gravitational lensing 57 RXTE 57 celestial objects 57 ultracold atoms 57 Anisotropy Probe WMAP 57 circumstellar 57 binary asteroid 57 called gravitational microlensing 57 heliospheric 57 Neptune Uranus 57 starquakes 57 blazar 57 #gy 57 planets orbiting stars 57 Uranus Neptune 57 diffuse aurora 57 antineutrinos 57 Vourlidas 57 Krimigis 57 neutrino 57 planetary surfaces 57 Wide Angle Search 57 Hanny Voorwerp 57 dynamical evolution 57 planets orbits 57 SAXS 57 supergiant stars 57 ULP cepheids 57 cosmological models 57 outer planets 57 lunar meteorites 57 extraterrestrial civilizations 57 moon Io 57 infrared spectra 57 starburst galaxies 57 nucleon 57 Richard Mushotzky 57 globular clusters 57 Henize #-# 57 Cepheid variable 57 Ring Nebula 57 distant galaxies 57 WASP #b 57 distant galaxy 57 optical spectra 57 Hubble Near Infrared 57 intracluster 57 Submillimeter 57 journal Meteoritics 57 Earthshine 57 brown dwarf 57 orbited Jupiter 57 Jupiter moons 57 spectroscopic 57 Martian meteorites 57 super Earths 57 Keck telescope 57 moons orbiting 57 SN #gy 57 Pascale Ehrenfreund 57 SUSY 57 Deep Impact eXtended Investigation 57 LOFAR 57 Orion nebula 56 CoRoT #b 56 Hubble orbits 56 SDSS II 56 optical telescopes 56 Fermi Gamma ray 56 submillimetre wavelengths 56 neutrino mass 56 X ray observatories 56 UVOT 56 comets 56 X ray absorption spectroscopy 56 spectral fingerprints 56 gravitationally bound 56 Microlensing Observations 56 geoid 56 situ measurements 56 galaxy clusters 56 lunar craters 56 comet McNaught 56 COROT 7b 56 substorms 56 SPICAM 56 Jonathan Lunine 56 Optical Gravitational Lensing Experiment 56 neutrino oscillations 56 muon neutrino 56 Magnetars 56 Andromeda Galaxy M# 56 Konacki 56 dwarf galaxies 56 Ultraviolet Imaging Spectrograph UVIS 56 Jovian moons 56 dynamical processes 56 Energetic Particle 56 supergiant star 56 Cassini flyby 56 Astrophysicists 56 millisecond pulsars 56 OGLE 56 detect gamma rays 56 Lyman alpha 56 supermassive 56 galaxy M# [002] 56 galaxies collide 56 Spectrograph 56 Adam Riess 56 neutron spectrometer 56 Extrasolar Planet Search 56 aurorae 56 Diviner 56 planetary alignments 56 Infrared Pathfinder Satellite 56 Muchachos Observatory 56 Nasa Kepler 56 submillimetre 56 supervolcanoes 56 asteroidal 56 tau neutrinos 56 innermost planet 56 Perseus Cluster 56 Fermi LAT 56 Comet Hale Bopp 56 Thermal Emission Spectrometer 56 HIRES spectrometer 56 GJ#b 56 X ray binary 56 planet Gliese #c 56 Mercury magnetosphere 56 Heliospheric Observatory SOHO 56 interferometry 56 millisecond pulsar 56 Relations Observatory STEREO 56 faint galaxies 56 gravitational lens 56 planets orbiting sun 56 Saturn moons Enceladus 56 Heliospheric 56 olivine mineral 56 Gamma ray 56 pulsars 56 Spectrometers 56 submillimeter galaxies 56 Oort cloud 56 masers 56 moons Phobos 56 Cosmic Evolution 56 Elenin 56 WIMPs 56 IBEX spacecraft 56 interstellar grains 56 Comet Halley 56 Compact Reconnaissance Imaging Spectrometer 56 neutrino experiments 56 superstrings 56 moon Charon 56 atmospheric oceanic 56 neutrinos 56 Suzaku X ray 56 HII regions 56 LADEE 56 elongated orbits 56 auroral 56 gravitational waves 56 radio occultation 56 Observatory telescope 56 Magnetic Imager HMI 56 planets Uranus 56 Wolf Rayet stars 56 Bok globules 56 planet orbiting 56 Andromeda Galaxy 56 ultraviolet wavelengths 56 Composite Infrared Spectrometer 56 spectroscopic technique 56 Higgs boson particle 56 ULIRGs 56 homochirality 55 Type Ia supernovas 55 baryons 55 Jovian moon 55 giant gaseous planets 55 moonquakes 55 Europa Ganymede 55 Mini SAR 55 Magnetic Imager 55 rocky extrasolar planet 55 Cosmologists 55 Great Observatories 55 polaritons 55 magnetic reconnection 55 G#.# +#.# 55 circular orbits 55 TrES 55 Alfven waves 55 gravitational radiation 55 galactic nuclei 55 Lars Hernquist 55 SIM PlanetQuest 55 Milky Way galaxy 55 neutrino oscillation 55 infrared interferometry 55 planetary scientist 55 cosmic microwave background 55 mineralogical mapping 55 constellation Carina 55 Cassini ion 55 ARPES 55 Imaging Spectrometer 55 Laser Interferometer Space 55 Jupiter Ganymede 55 hot Jupiters 55 Saturnian moon Titan 55 Laser Interferometer Gravitational Wave 55 Olympus Mons 55 Saturn magnetosphere 55 Mandushev 55 Tau Ceti 55 Mars CRISM 55 redshift 55 ESA Cluster 55 synchrotron x ray 55 WHIM 55 Maunder minimum 55 active galactic nucleus 55 Climate Experiment GRACE 55 Convection Rotation 55 R Coronae Borealis 55 cosmological theories 55 red supergiant 55 Galilean moons 55 Gliese #G 55 Huygens mission 55 Alycia Weinberger 55 Mercury flyby 55 relativistic particles 55 Crab Pulsar 55 Samuel Oschin Telescope 55 spaceweather.com 55 PSR J# 55 Extrasolar Planets 55 radial velocity method 55 Svedhem 55 JDEM 55 Interferometer 55 Carina constellation 55 Neutral Mass Spectrometer 55 magnetosphere 55 Gliese #g 55 hydrosphere 55 planetary nebulas 55 inhomogeneities 55 lensing galaxy 55 gamma ray emission 55 Gamma ray burst 55 mu Arae 55 gravitational perturbations 55 Enceladus 55 OGLE TR 55 constellation Eridanus 55 RS Ophiuchi 55 isotopic ratios 55 Cosmic Microwave Background CMB 55 elliptical galaxies 55 spacecraft flyby 55 Coma Cluster 55 plasma spectrometer 55 spacetime 55 interplanetary spacecraft 55 axion 55 Alex Filippenko 55 KIPAC 55 geomagnetic 55 Kazantzidis 55 Hubble Space Telescope HST 55 Gliese #e 55 galactic clusters 55 Keplerian 55 exoplanets planets outside 55 protostars 55 Multi Object Spectrograph 55 Climate Sounder 55 auroral emissions 55 interstellar clouds 55 meteoroids 55 Hubble Constant 55 ESA Integral 55 Area Telescope LAT 55 extrasolar worlds 55 Solar Orbiter 55 NICMOS observations 55 Kuiper Belt objects 55 Herschel Space Telescope 55 eclipsing binaries 55 rotating neutron stars 55 discover Fomalhaut 55 Type 1a supernovae 55 supernovas 55 Spacewatch 55 baryon 55 z ~ 55 chondrules 55 Extreme Ultraviolet Variability Experiment 55 sun corona 55 Proxima Centauri 55 Cloud Aerosol Lidar 55 NGC# 55 Comet Holmes 55 optical interferometry 55 Orion Nebula 54 Gal Yam 54 outer corona 54 cosmic ray flux 54 interstellar dust clouds 54 particle analyzers 54 planetary 54 Bruce Jakosky 54 HD# [002] 54 #P/Churyumov-Gerasimenko 54 Higgs singlet 54 MEarth 54 sterile neutrinos 54 Wilkinson Microwave Anisotropy Probe 54 Rydberg atom 54 HESS telescopes 54 absorption spectra 54 spherules 54 visit http:/saturn.jpl.nasa.gov 54 geomagnetism 54 optical wavelengths 54 astronomical observations 54 RPWS 54 spectral measurements 54 coronal mass ejections CMEs 54 Rayleigh scattering 54 Relativistic 54 MINOS 54 CAIs 54 solar neutrinos 54 exosphere 54 alien civilizations 54 ecliptic plane 54 proplyds 54 Yinghuo 1 54 Kuiper belt 54 Agol 54 Mini Thermal Emission 54 Antennae Galaxies 54 YORP effect 54 Bose Einstein condensates 54 GLAST Burst Monitor 54 DISR 54 astrophysicists 54 UDFy # 54 antineutrino 54 Dimitar Sasselov 54 photometry 54 equatorial bulge 54 CoRoT 54 permanently shadowed craters 54 Ionosphere Sounding 54 celestial object 54 assumed planets circling 54 binary quasar 54 Grillmair 54 Avishay Gal Yam 54 moonlet 54 infrared spectrometers 54 Earth magnetosphere 54 ultracold 54 UCO Lick 54 silicon monoxide 54 habitable planet 54 Type Ia 54 KamLAND 54 Hakan Svedhem 54 transiting exoplanet 54 proton decay 54 spectral characteristics 54 Upsilon Andromedae b 54 eccentric orbits 54 Orbiter LRO 54 nanomechanics 54 comet Lulin 54 NanoSIMS 54 cometary dust 54 orbiting observatories 54 HD #b [002] 54 earthshine 54 protoplanetary disk 54 magnetic substorms 54 Planetary Science Institute 54 biosignature 54 radar interferometry 54 GQ Lupi 54 Observatory STEREO 54 supernova remnants 54 InSAR 54 Bug Nebula 54 zodiacal dust 54 Cosmic Background Explorer COBE 54 Solar Dynamics Observatory 54 hunting Kepler telescope 54 hydrated minerals 54 boson 54 NIRCam 54 journal Icarus 54 Michael Studinger 54 La Silla observatory 54 Stadermann 54 Andromeda galaxy 54 Investigation DIXI 54 planet magnetosphere 54 antiparticle 54 TGFs 54 planetary embryos 54 geoneutrinos 54 SIRTF 54 Galactic cosmic rays 54 X ray spectroscopy 54 Hipparcos 54 Kepler Space Telescope 54 SN#A 54 Epsilon Aurigae 54 Syrtis Major 54 lunar regolith 54 Lagrangian 54 Spitzer Space Telescope 54 ray Space Telescope 54 photometer 54 carbonaceous chondrite 54 spectroscopic techniques 54 outermost planets 54 Einstein relativity theory 54 Mini TES 54 Fermi Telescope 54 comparative genomic analysis 54 High Accuracy Radial 54 supercomputer simulations 54 retroreflector 54 ESO PR 54 Infrared Array Camera 54 Muons 54 Tevatron experiments 54 zodiacal light 54 Mossbauer 54 Alfvén waves 54 reionization epoch 54 ExoMars rover 54 gamma ray burst 54 superatoms 54 icy comets 54 Adaptive optics 54 laser altimeter 54 silicate dust 54 Red Rectangle 54 VLTI 54 galaxies nebulae 54 Butterfly Nebula 54 Weakly Interacting Massive Particles 54 matter antimatter asymmetry 54 Martian microbes exist 54 spherically symmetric 54 antihelium 4 54 orbital resonance 54 Near Infrared Camera 54 Jupiter Saturn 54 spectral fingerprint 54 morphologies 54 comet nucleus 54 TNOs 54 planets astronomers 54 Antarctic Dry Valleys 54 Earths orbiting 54 biomineralization 54 Keck Telescope 54 accretion disks 54 WMAP satellite 54 high redshift galaxies 54 Voorwerp 54 Hyakutake 53 prograde 53 polar stratospheric 53 Martian moons 53 star Gliese 53 Cosmic Background Explorer 53 observable phenomena 53 Helix Nebula 53 dwarf spheroidal galaxies 53 Fermions 53 planet HD #b 53 Churyumov Gerasimenko 53 Mars Phobos 53 X ray Spectrometer 53 astronomical telescope 53 infrared wavelength 53 quasar 53 permanently shadowed regions 53 Comet Lulin 53 photochemistry 53 Quadrantids 53 Aurigid 53 gamma ray spectrometer 53 Bose Einstein condensation 53 theoretical particle 53 infrared wavelengths 53 FUV 53 exoplanet hunter 53 Meridiani 53 planetary orbits 53 crystalline silicates 53 photoelectron 53 protoplanetary 53 BepiColombo 53 supernova remnant 53 microphysical 53 Neutron Detector 53 gravitational interaction 53 Comet Machholz 53 Cometary 53 Martian rocks 53 globular star 53 faintest galaxies 53 celestial bodies 53 Milankovitch cycles 53 gamma rays emitted 53 X ray pulses 53 SOHO spacecraft 53 Rossby waves 53 quantum chromodynamics 53 Earth ionosphere 53 CDMS experiment 53 Keck telescopes 53 post perovskite 53 Orionids 53 enterotypes 53 Mauna Kea Hawaii 53 microbial ecosystems 53 imaging spectrometer 53 Ray Spectrometer 53 Solar System 53 Charles Beichman 53 moon Ganymede 53 EPOXI 53 Tod Strohmayer 53 radial velocity measurements 53 interstellar dust particles 53 coronal magnetic 53 nightglow 53 baryonic matter 53 afterglows 53 MINOS experiment 53 prebiotic chemistry 53 transcriptomics 53 electrons protons 53 planets circling stars 53 Mars Uranus 53 Martian craters 53 NASA Great Observatories 53 ESO telescopes 53 Coma cluster 53 spectroscope 53 Caltech astronomer 53 PSR B# 53 eukaryotic algae 53 Active Galactic Nuclei 53 geochemists 53 Saturn moons 53 single celled microorganisms 53 hematite mineral 53 martian 53 blue supergiant 53 backscattered 53 S/# P2 53 Vakoch 53 heliophysics 53 constellation Ursa Major 53 Atacama Large Millimeter submillimeter 53 planetary astronomer 53 absorbs photons 53 Observatoire de Paris 53 CoRoT 7b 53 moon Europa 53 nebulas 53 SNR #-#.# 53 NASA STEREO 53 Kailash Sahu 53 shadowy craters 53 elemental composition 53 geosphere 53 presolar grains 53 protostar 53 Saturn rings 53 spectral signatures 53 KH #D 53 God Particle 53 solar nebula 53 Dumbbell Nebula 53 interstellar molecules 53 astronomical phenomena 53 Great Observatories Origins 53 NASA twin STEREO 53 plutons 53 Extrasolar Planet Observation 53 twin STEREO spacecraft 53 neutron diffraction 53 shadow biosphere 53 yardangs 53 gravitons 53 Orionid 53 unconventional superconductivity 53 planet Uranus 53 GRB # 53 SMEX 53 Herschel Space 53 Interior Laboratory GRAIL 53 GRB #A 53 THEMIS 53 Quaoar 53 ultracold gases 53 ionospheric 53 supernova explosions 53 magnetic monopole 53 occultation 53 particle astrophysics 53 ChIP Seq 53 Stephan Quintet 53 Nankai Trough Zone 53 NASA Cosmic Background 53 Andromeda halo 53 microquasar 53 Drake Equation 53 electron neutrino 53 Bojowald 53 magnetic anisotropy 53 supernova explosion 53 cosmologists 53 NASA Far Ultraviolet 53 isotopic compositions 53 interstellar dust 53 SETI Search 53 magnetic polarity 53 hypernova 53 carbonyl sulfide 53 celestial sphere 53 lobate scarps 53 planetary magnetospheres 53 impactors 53 asteroids 53 AERONET 53 Moon Mineralogy Mapper M3 53 Pieter van Dokkum 53 Saturn Uranus Neptune 53 hypervelocity star 53 AKARI 53 Seyfert galaxies 53 Giovanni Fazio 53 La Silla Chile 53 ChIP chip 53 UA Lunar 53 neutron star 53 spectra 53 Methone 53 carbonate minerals