Related by context. Frequent words. (Click for all words.) 66 HD #b [002] 65 Cancri 64 COROT 64 Orion Nebula 63 Crab Nebula 63 planet orbits 63 XMM Newton 62 planet orbiting 61 Fomalhaut 61 distant galaxy 61 extrasolar planet 61 nebula 61 galaxy cluster 60 Large Magellanic Cloud 60 supernova remnant 60 constellation Perseus 60 globular clusters 59 Andromeda galaxy 59 microlensing 59 Eta Carinae 59 Milky Way Galaxy 59 brown dwarf 59 Betelgeuse 59 magnetar 58 Gliese #g 58 habitable planets 58 planets orbiting 58 constellation Orion 58 constellation Leo 58 globular cluster 58 nebulae 58 supernova explosion 58 extrasolar planets 58 brown dwarfs 58 unaided eye 58 Gliese 57 auroral 57 Andromeda Galaxy 57 Spitzer Space Telescope 57 accretion disk 57 OGLE 57 dwarf galaxy 57 distant galaxies 56 quasar 56 pulsar 56 exoplanets 56 Gamma ray bursts 56 celestial object 56 supermassive black hole 56 Mimas 56 quasars 56 gamma ray burst 55 galaxy 55 X ray emission 55 galaxies 55 spiral galaxy 55 Solar System 55 pulsars 54 planets 54 infrared wavelengths 54 ionized gas 54 supernova explosions 54 ringed planet 54 astronomers 54 terrestrial planets 54 spiral galaxies 54 Milky Way 53 occultation 53 exoplanet 53 Pleiades 53 celestial objects 53 supernovae 53 super Earths 53 ejecta 53 elliptical galaxies 53 constellation 53 rocky planets 53 supernova 53 Astronomers 53 Sedna 52 corona 52 Very Large Array 52 redshift 52 hot Jupiters 52 astronomical objects 52 aurora 52 gamma rays 52 cosmic rays 52 orbits 52 GRBs 52 optical telescopes 52 X ray Observatory 52 Milky Way galaxy 51 gamma ray bursts 51 muon 51 Iapetus 51 neutron star 51 interstellar medium 51 gravitational wave 51 WIMPs 51 interstellar dust