Related by context. Frequent words. (Click for all words.) 55 magnetar 53 brown dwarfs 53 supernova explosions 53 Eta Carinae 52 supernovae 52 supernova 51 supernova explosion 50 globular cluster 50 X ray emission 50 brown dwarf 49 gamma rays 49 redshift 48 GRBs 48 distant galaxy 48 GeV 47 particle accelerators 47 cosmic ray 47 gravitational wave 47 gamma ray burst 47 quark gluon plasma 47 supernovas 47 positron 47 globular clusters 47 neutron stars 47 supernova remnant 47 gamma ray bursts 46 thermonuclear 46 neutrino 46 galaxy formation 46 dwarf galaxy 46 astrophysicists 46 quasar 46 HD #b [002] 46 elliptical galaxies 46 muons 46 positrons 45 quasars 45 Geminids 45 neutron star 45 pulsar 45 subatomic 45 WIMPs 45 X ray Observatory 45 bunker buster 45 neutron 45 bunker busters 44 kiloton 44 dwarf 44 ejecta 44 super Earths 44 neutrinos 44 dwarf galaxies 44 accretion disk 44 solar flares 44 cosmic rays 44 ionized gas 44 Betelgeuse 44 detonation 43 Edward Teller 43 supermassive black hole 43 neutrons 43 rocky planets 43 spectroscopic 43 supermassive black holes 43 Neutrinos 43 hot Jupiters 43 meteoroids 43 gravitational lensing 43 optical telescopes 43 high temperature superconductors 43 antimatter 43 deuterium 42 Orion Nebula 42 terrestrial planets 42 galaxy cluster 42 NASA Chandra 42 pulsars 42 gravitational waves 42 distant galaxies 42 atomic nuclei 42 electron beams 42 Fermi 42 galaxy clusters 42 electromagnetic pulse 42 coronal mass ejections 42 Antimatter 42 fission 42 nuclear fission 42 cosmologists 42 physicists 42 spacetime 42 detonations 42 hafnium 42 astrophysical 42 interferometry 42 meteor 41 Terahertz 41 superfluid 41 astronomical objects 41 nebulae 41 habitable planets