Related by context. Frequent words. (Click for all words.) 69 accretion disk 68 X ray emission 67 supernova explosion 67 supernova explosions 67 magnetar 67 Eta Carinae 66 gravitationally 65 dwarf galaxy 65 supernova remnant 65 ionized gas 64 ejecta 63 neutron star 63 supernova 63 globular cluster 62 quasar 62 galaxy cluster 62 Crab Nebula 61 galaxy formation 61 nebula 61 planet orbits 61 supernovae 61 supermassive black hole 61 interstellar medium 61 elliptical galaxies 60 Large Magellanic Cloud 60 Andromeda galaxy 60 galaxy clusters 59 globular clusters 59 accreting 59 supermassive black holes 59 nebulae 59 spiral galaxies 59 spiral galaxy 59 supernovas 59 HD #b [002] 59 neutron stars 58 brown dwarfs 58 pulsar 58 Milky Way Galaxy 58 galaxies 58 superfluid 58 Betelgeuse 58 planet orbiting 58 quasars 58 galaxy 57 brown dwarf 57 Iapetus 57 interstellar dust 57 coronal mass ejection 57 Kuiper belt 57 torus 57 gamma ray burst 57 dwarf galaxies 56 gravitational attraction 56 auroral 56 Orion Nebula 56 distant galaxy 56 convective 56 terrestrial planets 56 super Earths 56 GRBs 56 Cancri 56 redshift 56 lithosphere 55 corona 55 hot Jupiters 55 lavas 55 positrons 55 starbursts 55 olivine 55 spacetime 55 Enceladus 55 Milky Way galaxy 55 GeV 55 deuterium 55 Bose Einstein condensate 54 muons 54 rocky planets 54 constellation Leo 54 atomic nuclei 54 Saturn rings 54 Andromeda Galaxy 54 magnetic flux 54 dynamical 54 extrasolar planet 54 magnetosphere 54 Earth magnetosphere 54 gamma rays 54 pulsars 53 GPa 53 nuclei 53 constellation Perseus 53 neutrino 53 muon 53 z = 53 magnetic fields 53 gamma ray bursts 53 XMM Newton 53 outer layers 53 cosmic microwave background 53 pulsations