Related by context. Frequent words. (Click for all words.) 71 HD #b [002] 66 extrasolar planet 65 exoplanet 64 Gliese 63 COROT 62 extrasolar planets 61 brown dwarf 61 planet orbiting 61 galaxy cluster 61 redshift 60 exoplanets 60 brown dwarfs 60 rocky planets 59 magnetar 59 super Earths 59 planets orbiting 59 XMM Newton 58 Sedna 58 X ray emission 58 Andromeda Galaxy 57 quasar 57 GRBs 57 dwarf galaxy 57 supernova remnant 57 orbits 57 globular cluster 56 hot Jupiters 56 comet Wild 56 Milky Way Galaxy 55 distant galaxy 55 gamma ray burst 55 globular clusters 55 pulsars 54 terrestrial planets 54 UB# [003] 54 Orion Nebula 54 Eta Carinae 54 Milky Way galaxy 54 infrared wavelengths 54 galaxy clusters 54 optical telescopes 54 quasars 53 unaided eye 53 gravitational lensing 53 cosmic microwave background 53 pulsar 53 supernovae 53 galaxies 52 Jupiter moons 52 habitable zone 52 Astrophysical Journal Letters 52 neutron star 52 Very Large Telescope 52 gravitational wave 52 orbiting 52 Betelgeuse 52 Large Magellanic Cloud 52 planets 52 Saturn rings 51 spiral galaxy 51 Enceladus 51 gamma ray bursts 51 NASA Kepler 51 WM Keck Observatory 51 spiral galaxies 51 ringed planet 51 NASA Cassini spacecraft 51 Earth magnetosphere 51 dwarf galaxies 51 Spitzer Space Telescope 51 superfluid 51 supernova explosion 51 occultation 51 magnetosphere 51 Cassini Huygens 51 interferometer 51 Saturn moons 50 astronomers 50 Saturn moon Enceladus 50 distant galaxies 50 ESO Very Large Telescope 50 ejecta 50 interstellar dust 50 torus 50 Astrophysical Journal 50 WMAP 50 gravitational tug 50 Saturn moon 50 sunspot 49 nebula 49 Iapetus 49 supermassive black hole 49 substorms 49 dimers 49 Fig. 49 anisotropy 49 astronomical objects 49 neutrino 49 hydrogen atom 49 elliptical galaxies 49 Space Telescope