Related by context. Frequent words. (Click for all words.) 60 accretion disk 59 supernova explosion 57 neutron star 56 dwarf galaxy 55 magnetar 55 globular cluster 54 supernova explosions 54 Eta Carinae 53 Milky Way Galaxy 53 nebula 53 supernova remnant 53 Milky Way galaxy 52 supermassive black hole 52 supermassive black holes 52 pulsar 51 galaxy 51 Milky Way 51 Andromeda galaxy 51 supernova 51 supernovas 51 X ray emission 50 neutron stars 50 spiral galaxies 50 gravitationally 50 quasar 50 planet orbits 50 galaxies 49 spiral galaxy 49 distant galaxy 49 spacetime 49 Large Magellanic Cloud 48 ionized gas 48 outer layers 48 pulsars 47 globular clusters 47 subatomic particle 47 4 chars 47 atomic nuclei 47 supernovae 47 Crab Nebula 47 interstellar medium 46 galaxy cluster 46 torus 46 galaxy clusters 46 ejecta 46 HD #b [002] 46 fainter 46 Earth magnetosphere 46 Cancri 46 elliptical galaxies 46 brown dwarf 46 Saturn rings 46 GeV 45 dwarf galaxies 45 magma chamber 45 Kuiper belt 45 orbits 45 Gamma ray bursts 45 galaxy formation 45 nebulae 45 planetoid 45 universe 44 GRBs 44 comet nucleus 44 planets 44 radioactive decay 44 planet orbiting 44 atomic nucleus 44 accreting 44 super Earths 44 Andromeda 44 angular momentum 44 superfluid 43 interstellar dust 43 distant galaxies 43 singularities 43 lithosphere 43 nuclei 43 gamma ray burst 43 orbiting 43 comet 43 meteoroids 43 Betelgeuse 43 Andromeda Galaxy 43 Orion Nebula 43 cosmological constant 43 constellation Leo 42 constellation Perseus 42 subatomic particles 42 neutrons 42 brown dwarfs 42 quasars 42 Gliese #g 42 habitable planet 42 gravitational tug 42 impactor 42 molten 42 asteroid 42 Scorpius 41 gamma rays 41 atoms