Related by context. Frequent words. (Click for all words.) 63 supernova explosion 63 magnetar 62 Eta Carinae 62 ionized gas 62 X ray emission 61 dwarf galaxy 61 globular cluster 61 Kuiper belt 61 supernova explosions 60 supernova remnant 60 spiral galaxies 60 Crab Nebula 60 hot Jupiters 59 nebulae 59 globular clusters 59 galaxy clusters 59 brown dwarfs 59 Orion Nebula 59 accretion disk 58 galaxy cluster 58 Andromeda galaxy 58 quasar 58 neutron star 58 Andromeda Galaxy 58 brown dwarf 57 super Earths 57 elliptical galaxies 57 GRBs 57 dwarf galaxies 57 galaxies 57 planets 57 nebula 57 HD #b [002] 57 supernovas 57 extrasolar planets 57 galaxy 56 spiral galaxy 56 auroral 56 supernovae 56 quasars 56 supernova 56 distant galaxies 56 rocky planets 56 neutron stars 56 extrasolar planet 56 distant galaxy 56 Betelgeuse 56 Milky Way Galaxy 56 galaxy formation 55 exoplanet 55 habitable planets 55 dynamical 55 planets orbiting 55 interstellar medium 55 Gliese #g 55 pulsars 54 astronomical objects 54 starbursts 54 Large Magellanic Cloud 54 ejecta 54 terrestrial planets 54 ringed planet 54 nuclei 53 planet orbiting 53 gamma ray burst 53 supermassive black holes 53 accreting 53 exoplanets 53 constellation Leo 53 olivine 53 gamma ray bursts 52 magnetosphere 52 igneous 52 Milky Way galaxy 52 torus 52 comets 52 celestial object 52 superfluid 52 astrophysical 52 meteoroids 52 Saturn rings 52 interstellar dust 52 volcanically active 52 convective 52 corona 51 vortices 51 COROT 51 quark gluon plasma 51 occultation 51 Saturn moon Enceladus 51 unaided eye 51 orbits 51 pulsar 51 abundances 51 Saturn moons 51 atomic nuclei 51 silicates 51 Milky Way 51 substorms 51 XMM Newton 51 redshift