Related by context. Frequent words. (Click for all words.) 62 HD #b [002] 60 Betelgeuse 58 distant galaxy 57 Milky Way galaxy 57 redshift 57 Gliese 56 Milky Way Galaxy 56 Orion Nebula 56 Large Magellanic Cloud 55 orbits 55 spiral galaxy 55 galaxy cluster 55 infrared wavelengths 54 brown dwarf 54 Eta Carinae 53 unaided eye 52 Milky Way 52 planet orbiting 51 brown dwarfs 51 gamma ray burst 51 elliptical orbit 50 quasar 50 Deneb 50 exoplanet 50 planets orbiting 50 perigee 50 galaxy 50 Kuiper Belt 50 rocky planets 50 terrestrial planets 50 equator 50 X ray emission 50 constellation 50 dwarf galaxy 50 mid latitudes 49 orbiting 49 nebula 49 equatorial regions 49 Sedna 49 GRBs 49 Scorpius 49 habitable zone 49 quasars 49 geologically active 48 distant galaxies 48 Ophiuchus 48 cosmic microwave background 48 occultation 48 super Earths 48 XMM Newton 48 ringed planet 48 elliptical galaxies 48 extrasolar planet 48 extrasolar planets 48 Earth asteroids 47 Solar System 47 exoplanets 47 umbra 47 globular clusters 47 Cassiopeia 47 field Infrared Survey 47 Orbiting 47 Alpha Centauri 47 supernova explosion 47 sunspot 47 Very Large Telescope 46 Pleiades 46 optical telescopes 46 Arcturus 46 fainter 46 moon Titan 46 nebulae 46 Earth orbit 46 latitudes 46 Enceladus 46 Perseids 46 galaxies 46 planets 46 comet nucleus 46 Uranus 45 Spitzer Space Telescope 45 orbited 45 Saturn moon 45 spiral galaxies 45 circular orbit 45 Jupiter Saturn Uranus 45 asteroid belt 45 optical telescope 45 infrared telescope 44 electron volts 44 Spica 44 UB# [003] 44 Iapetus 44 Victoria Crater 44 celestial objects 44 supernova 44 dwarf planet 44 supermassive black hole 44 heliosphere 44 dwarf galaxies 44 Astrophysical Journal