Related by context. Frequent words. (Click for all words.) 70 HD #b [002] 70 planet orbiting 69 planets orbiting 69 orbits 67 brown dwarf 65 galaxy cluster 65 Eta Carinae 64 extrasolar planet 64 Orion Nebula 64 elliptical galaxies 63 brown dwarfs 63 distant galaxy 63 neutron star 63 spiral galaxy 62 quasar 62 rocky planets 62 Gliese 62 planets 62 gamma ray burst 61 perigee 61 Betelgeuse 61 extrasolar planets 61 exoplanets 60 supernova explosion 60 Milky Way Galaxy 60 globular clusters 60 supermassive black hole 60 GRBs 60 Milky Way galaxy 59 pulsar 59 terrestrial planets 59 exoplanet 59 galaxies 58 quasars 58 galaxy 58 unaided eye 58 spiral galaxies 58 supernova 58 nebula 57 Sedna 57 galaxy clusters 57 redshift 57 infrared wavelengths 57 dwarf galaxies 56 gamma ray bursts 56 elliptical orbit 56 neutron stars 56 orbiting 56 circular orbit 56 supernovae 56 Milky Way 55 fainter 55 magnetosphere 55 supernova explosions 55 Spitzer Space Telescope 55 interstellar medium 54 Uranus 54 distant galaxies 54 comet 54 Iapetus 54 luminosity 54 XMM Newton 54 ringed planet 54 interstellar dust 54 habitable zone 53 astronomers 53 pulsars 53 corona 53 neutrino 53 heliosphere 53 nebulae 53 ejecta 53 Kuiper Belt 53 Enceladus 52 Perseids 52 outer layers 52 comet nucleus 52 Solar System 52 planetary 52 suns 52 optical telescopes 52 Saturn rings 52 Lutetia 52 occultation 51 supermassive black holes 51 Saturn moons 51 Alpha Centauri 51 oscillations 51 nuclei 51 supernovas 51 hydrogen atom 51 superfluid 51 orbited 51 spacetime 50 outer planets 50 Very Large Telescope 50 sunspot activity 50 Astronomers 50 comets 50 Scorpius 50 asteroid