Related by context. Frequent words. (Click for all words.) 59 distant galaxy 58 globular cluster 57 dwarf galaxy 57 observable universe 57 magnetar 57 supernova explosion 56 supernova explosions 56 brown dwarf 56 Eta Carinae 56 accretion disk 56 planetary nebula 56 X ray emission 55 Kuiper belt 55 supernova 55 GeV 55 galaxy cluster 55 Gamma ray bursts 54 quasar 54 Large Magellanic Cloud 54 Crab Nebula 54 supernova remnants 54 planet orbits 54 Fomalhaut 54 supernova remnant 53 microlensing 53 HD #b [002] 53 solar nebula 53 brown dwarfs 53 elliptical galaxies 53 neutron star 52 galaxy 52 dwarf galaxies 52 planet orbiting 52 ionized gas 52 gamma ray burst 52 nebula 52 celestial object 52 gravitational lensing 52 galaxy clusters 52 Andromeda galaxy 51 XMM Newton 51 GRBs 51 Cancri 51 Haumea 51 globular clusters 51 spacetime 51 Gliese #g 51 GRB # 51 neutron stars 51 circular orbit 51 super Earths 50 quasars 50 rocky planets 50 spectroscopic 50 planets orbiting 50 gravitational wave 50 redshift 50 exoplanet 50 spiral galaxy 50 exoplanets 50 Milky Way galaxy 50 orbits 49 ejecta 49 Sedna 49 galaxy formation 49 galactic 49 phonons 49 hot Jupiters 49 extrasolar planet 49 pulsar 49 OGLE 49 terrestrial planets 49 gravitationally 49 extrasolar planets 49 Milky Way Galaxy 49 supermassive black holes 49 nebulae 49 supernovae 49 meteoroid 48 supernovas 48 WIMPs 48 quanta 48 anisotropy 48 visible wavelengths 48 unaided eye 48 pulsars 48 radiative 48 infrared wavelengths 48 constellation Leo 48 galaxies 48 Mimas 48 distant galaxies 48 quark gluon plasma 48 dynamical 48 heliosphere 48 COROT 48 Jupiter moons 48 comet nucleus 48 z = 47 Milky Way 47 Earth magnetosphere