Related by context. Frequent words. (Click for all words.) 60 Cancri 60 HD #b [002] 58 brown dwarf 58 spiral galaxy 58 globular cluster 58 planet orbits 57 distant galaxy 56 planet orbiting 56 brown dwarfs 56 Orion Nebula 56 dwarf galaxy 55 Milky Way Galaxy 55 Sedna 55 galaxy cluster 55 Large Magellanic Cloud 55 Gliese #g 55 Kuiper belt 54 exoplanet 54 Milky Way galaxy 54 orbits 54 planets orbiting 54 globular clusters 54 magnetar 53 Andromeda galaxy 53 COROT 52 supernova remnant 52 galaxy 52 Scorpius 52 supernova 52 exoplanets 52 Andromeda Galaxy 52 dwarf planet 52 Milky Way 52 Eta Carinae 52 elliptical galaxies 51 OGLE 51 extrasolar planet 51 unaided eye 51 gravitationally 51 Gliese 51 rocky planets 51 spiral galaxies 51 planets 51 nebula 51 celestial object 51 outer planets 51 dwarf galaxies 51 ejecta 51 super Earths 51 extrasolar planets 51 Kuiper Belt 50 moon Charon 50 galactic 50 distant galaxies 50 redshift 50 comet nucleus 50 terrestrial planets 50 Saturn rings 50 supernova explosion 50 dwarf planets 50 asteroid belt 49 Betelgeuse 49 Earth magnetosphere 49 hot Jupiters 49 X ray emission 49 Iapetus 49 constellation Orion 49 Jupiter moons 49 galaxies 49 neutron star 49 gamma ray burst 49 interstellar dust 49 Mimas 48 Fomalhaut 48 Crab Nebula 48 ringed planet 48 astronomical objects 48 UB# [003] 48 subatomic particle 48 Phobos 48 Alpha Centauri 48 orbiting 48 microlensing 48 Comet Tempel 1 48 neutrino 48 spacetime 47 comet 47 constellation Leo 47 circular orbit 47 constellation Perseus 47 infrared wavelengths 47 accretion disk 47 Solar System 47 astronomers 47 habitable planets 47 Saturn moons 47 Cassiopeia 47 neutron stars 46 pulsar 46 planetary 46 THEMIS