Related by context. Frequent words. (Click for all words.) 77 HD #b [002] 69 Sedna 68 exoplanet 68 extrasolar planet 67 distant galaxy 67 galaxy cluster 67 brown dwarf 66 Eta Carinae 66 planet orbiting 66 gamma ray burst 66 pulsar 65 quasar 65 dwarf galaxy 65 exoplanets 65 extrasolar planets 64 supernova explosion 63 brown dwarfs 63 Milky Way galaxy 63 Milky Way Galaxy 63 planets orbiting 63 terrestrial planets 63 redshift 62 Orion Nebula 62 nebula 62 XMM Newton 62 distant galaxies 62 neutron star 62 galaxy 62 GRBs 61 Milky Way 61 spiral galaxies 61 elliptical galaxies 61 quasars 61 rocky planets 60 super Earths 60 supermassive black hole 60 supernova 60 Betelgeuse 60 comet nucleus 60 infrared wavelengths 60 galaxies 60 supernova explosions 60 galaxy clusters 60 planets 60 ejecta 60 Saturn rings 60 Large Magellanic Cloud 59 supernovae 59 comet 59 spiral galaxy 59 dwarf galaxies 59 Gliese 59 astronomers 59 gamma rays 59 cosmic microwave background 59 Enceladus 58 cosmic ray 58 optical telescopes 58 gravitational lensing 58 pulsars 58 Iapetus 58 Spitzer Space Telescope 58 unaided eye 58 interferometry 58 spectroscopic 58 Lutetia 57 astrophysical 57 Kuiper Belt 57 heliosphere 57 magnetosphere 57 gamma ray bursts 57 nebulae 57 ESO Very Large Telescope 57 WM Keck Observatory 57 orbits 56 Very Large Telescope 56 optical telescope 56 globular clusters 56 neutrino 56 celestial objects 56 infrared radiation 56 interstellar dust 56 ringed planet 56 spacetime 56 moon Titan 55 gravitational waves 55 cosmic rays 55 superfluid 55 Saturn moon 55 comets 55 neutron stars 55 occultation 55 supermassive black holes 55 gravitationally 55 Uranus 55 UB# [003] 55 WMAP 55 NASA Cassini spacecraft 54 orbiting 54 asteroid 54 corona