Related by context. Frequent words. (Click for all words.) 74 supernova explosion 73 Eta Carinae 72 supernova 71 supernovae 70 dwarf galaxy 69 distant galaxy 69 gamma ray burst 69 supernova explosions 68 X ray emission 67 brown dwarf 67 planet orbiting 67 GRBs 66 HD #b [002] 66 elliptical galaxies 66 brown dwarfs 66 quasar 65 neutron star 65 supernovas 65 super Earths 64 planets orbiting 64 Orion Nebula 64 rocky planets 64 dwarf galaxies 64 extrasolar planet 63 neutron stars 63 globular clusters 63 galaxy cluster 62 galaxies 62 extrasolar planets 62 spiral galaxies 62 exoplanets 62 gamma ray bursts 61 pulsar 61 coronal mass ejections 61 quasars 61 nebula 61 Large Magellanic Cloud 61 supermassive black hole 61 exoplanet 60 unaided eye 60 astronomers 59 redshift 59 ejecta 59 planets 58 Betelgeuse 58 pulsars 58 galaxy clusters 58 hot Jupiters 58 Saturn rings 58 Milky Way galaxy 58 supermassive black holes 58 Milky Way Galaxy 57 gamma rays 57 X ray Observatory 57 comet 57 spiral galaxy 57 gravitational lensing 57 nebulae 57 Astronomers 57 distant galaxies 57 XMM Newton 57 Spitzer Space Telescope 56 comet nucleus 56 terrestrial planets 56 comets 56 neutrino 56 galaxy 56 solar flares 55 Milky Way 55 cosmic ray 55 neutrinos 55 Gliese 55 positrons 55 astrophysicists 54 NASA Chandra 54 atomic nuclei 54 sunspot 54 corona 54 cosmic rays 54 radioactive decay 54 meteor 53 deuterium 53 Sedna 53 antimatter 53 Saturn moons 53 gravitationally 53 interstellar medium 53 cosmic microwave background 53 cosmologists 52 infrared telescope 52 optical telescopes 52 occultation 52 olivine 52 suns 52 celestial objects 52 accreting 52 interstellar dust 52 organic molecules 52 asteroid 52 Iapetus 52 meteors