Related by context. Frequent words. (Click for all words.) 63 Gamma ray bursts 62 magnetar 62 supernova explosions 61 Eta Carinae 59 supernova 59 supernova explosion 58 GRBs 58 accretion disk 57 supernovae 57 globular cluster 57 coronal mass ejections 56 X ray emission 56 neutron stars 56 gamma ray burst 56 neutron star 56 gamma ray bursts 56 supernovas 55 solar nebula 55 starbursts 55 quasars 55 dwarf galaxy 54 supermassive black holes 54 supernova remnant 54 spacetime 54 singularities 53 ionized gas 53 substorms 53 observable universe 53 accreting 53 quasar 53 cosmic rays 53 nebulae 53 elliptical galaxies 52 meteoroids 52 meteoroid 52 coronal mass ejection 52 subatomic particle 52 distant galaxy 52 Crab Nebula 52 gamma rays 52 supermassive black hole 52 galaxy formation 52 solar flares 51 ejecta 51 brown dwarfs 51 cosmic 51 galaxy clusters 51 habitable planets 51 Kuiper belt 51 gravitationally 51 cosmologists 51 nebula 51 globular clusters 51 galaxies 51 spiral galaxies 50 vortexes 50 atomic nuclei 50 atomic particles 50 vaporised 50 WIMPs 50 gravitational waves 50 Earth magnetosphere 50 quark gluon plasma 50 gaseous 50 pulsars 50 Milky Way Galaxy 50 HD #b [002] 50 magma chamber 49 astrophysicists 49 Bose Einstein condensate 49 nuclear fission 49 auroral 49 spiral galaxy 49 Andromeda Galaxy 49 cosmic ray 49 hot Jupiters 49 galactic 49 cosmological 49 pulsations 49 Neutrinos 49 interstellar medium 49 GeV 49 alpha particles 49 galaxy cluster 49 pulsar 49 gravitational lensing 48 celestial object 48 subatomic 48 astrophysical 48 Large Magellanic Cloud 48 atomic nucleus 48 radioactive decay 48 Andromeda galaxy 48 methane hydrates 48 comet nucleus 48 torus 48 cosmically 48 Volcanic eruptions 48 cosmic microwave background 47 rocky planets 47 antigravity