Related by context. Frequent words. (Click for all words.) 65 constellation Leo 63 Large Magellanic Cloud 61 Andromeda galaxy 59 Milky Way Galaxy 58 constellation Perseus 57 distant galaxy 57 galaxy cluster 57 Andromeda Galaxy 56 Betelgeuse 55 supernova remnant 55 planet orbiting 55 Eta Carinae 54 supernova explosion 54 spiral galaxy 54 dwarf galaxy 54 ecliptic 53 Mimas 52 Orion Nebula 52 brown dwarf 52 HD #b [002] 52 Kuiper belt 52 nebula 52 accretion disk 51 planets orbiting 51 Gliese 51 orbits 51 redshift 51 fainter 50 perigee 50 magnetar 50 umbra 50 galaxy 50 GeV 50 Arcturus 50 coronal mass ejection 50 quasar 49 Deneb 49 Milky Way galaxy 49 X ray emission 49 Cassiopeia 49 Pleiades 49 interstellar medium 49 celestial object 49 elliptical galaxies 48 infrared wavelengths 48 globular cluster 48 asteroid belt 48 suns 48 Kuiper Belt 48 Rahu 48 comet nucleus 47 Andromeda 47 globular clusters 47 equator 47 supernova 47 Milky Way 47 occultation 47 Sedna 47 quasars 47 Uranus 46 Alpha Centauri 46 distant galaxies 46 XMM Newton 46 ejecta 46 supermassive black hole 46 neutron star 46 Spica 46 Leonids 46 ringed planet 46 Scorpius 46 terrestrial planets 46 gravitationally 46 circular orbit 46 planets 45 spiral galaxies 45 electron volts 45 gamma ray burst 45 torus 45 elliptical orbit 45 heliosphere 45 Ophiuchus 45 ionized gas 45 interstellar dust 45 unaided eye 45 Phobos 44 pulsar 44 orbiting 44 COROT 44 Gliese #g 44 GRBs 44 brown dwarfs 44 ellipse 44 rocky planets 44 sunspot 44 constellation 44 galaxies 44 Lutetia 44 dwarf galaxies 44 Itokawa 44 outer planets 44 olivine