Related by context. Frequent words. (Click for all words.) 60 magnetar 59 quasar 58 galaxy cluster 58 supernova explosion 57 X ray emission 57 dwarf galaxy 57 Eta Carinae 57 planet orbiting 56 Betelgeuse 56 brown dwarf 56 HD #b [002] 56 supernova 56 Sedna 56 COROT 56 extrasolar planet 55 supernova remnant 55 redshift 54 globular clusters 54 Cassiopeia 54 brown dwarfs 54 quasars 54 Orion Nebula 54 pulsar 54 nebula 54 gamma ray burst 54 distant galaxy 54 supernovae 53 neutron star 53 Large Magellanic Cloud 53 planets orbiting 53 exoplanets 52 supermassive black hole 52 coronal mass ejection 52 Andromeda Galaxy 52 super Earths 52 XMM Newton 52 Gliese 52 exoplanet 51 gamma ray bursts 51 extrasolar planets 51 hot Jupiters 51 corona 51 spiral galaxy 51 spiral galaxies 51 galaxy 50 comet 50 orbits 50 rocky planets 50 supernovas 50 ringed planet 50 terrestrial planets 50 galaxies 50 GRB 50 asteroid 49 distant galaxies 49 dwarf galaxies 49 elliptical orbit 49 superfluid 49 GRBs 49 elliptical galaxies 49 Scorpius 49 supernova explosions 49 planets 49 nebulae 49 galaxy clusters 49 Milky Way Galaxy 48 ejecta 48 amplitudes 48 unaided eye 48 pulsars 48 spectra 48 gravitational lensing 48 accreting 48 cosmic ray 48 Alpha Centauri 48 Kuiper Belt 48 infrared wavelengths 48 circular orbit 48 X ray Observatory 48 ESO Very Large Telescope 47 Arcturus 47 gravitationally 47 NASA Cassini spacecraft 47 Uranus 47 Milky Way 47 VLA 47 luminosity 47 Milky Way galaxy 47 interstellar medium 47 astronomers 46 interferometry 46 orbiting 46 Andromeda 46 comet nucleus 46 solar flares 46 neutrino 46 Lutetia 46 Saturn rings 46 ionosphere 46 Pleiades 46 Jupiter moons