Related by context. Frequent words. (Click for all words.) 65 magnetar 65 Eta Carinae 64 X ray emission 62 globular cluster 60 HD #b [002] 59 galaxy cluster 59 dwarf galaxy 59 quasar 58 supernova explosion 58 neutron star 58 quasars 58 supernova 58 Milky Way Galaxy 57 planet orbiting 57 redshift 57 GeV 57 GRBs 57 brown dwarf 57 gamma ray burst 57 globular clusters 56 XMM Newton 56 supernovas 56 Large Magellanic Cloud 56 galaxy clusters 56 supermassive black hole 56 supernovae 56 extrasolar planet 56 suns 55 supernova remnant 55 ejecta 55 binary 55 brown dwarfs 55 planets orbiting 55 galaxies 55 distant galaxy 55 nebula 54 elliptical galaxies 54 neutron stars 54 comet nucleus 54 astronomers 54 dynamical 54 pulsars 53 exoplanets 53 supermassive black holes 53 super Earths 53 gravitationally 53 Orion Nebula 53 spectra 52 Milky Way galaxy 52 supernova explosions 52 exoplanet 52 planets 52 orbits 52 Earth magnetosphere 52 extrasolar planets 52 ESO Very Large Telescope 52 hot Jupiters 52 coronal mass ejection 51 sunspot 51 pulsar 51 Andromeda Galaxy 51 galaxy 51 X ray Observatory 51 orbiting 51 gamma rays 51 occultation 51 Andromeda galaxy 51 muon 51 Astrophysical Journal 51 J# [002] 51 spiral galaxies 51 dwarf galaxies 50 nova 50 accreting 50 meteoroid 50 Betelgeuse 50 Milky Way 50 astrophysical 50 positrons 50 infrared wavelengths 50 astrophysicists 50 fainter 50 celestial objects 50 spectroscopic 50 gamma ray bursts 50 meteoroids 50 interferometry 50 cosmic microwave background 49 nebulae 49 WM Keck Observatory 49 spiral galaxy 49 Enceladus 49 anisotropy 49 planetary 49 optical telescope 49 Gliese 49 cosmic ray 49 binaries 49 Astrophysical Journal Letters 49 COROT 49 positron