Related by context. Frequent words. (Click for all words.) 70 HD #b [002] 69 supernova explosion 68 planet orbiting 67 galaxy cluster 66 Eta Carinae 66 supernova remnant 66 comet nucleus 65 Andromeda galaxy 65 distant galaxy 65 planets orbiting 65 extrasolar planet 65 dwarf galaxy 65 Milky Way Galaxy 65 gamma ray burst 65 magnetar 65 Andromeda Galaxy 64 X ray emission 64 celestial object 64 COROT 63 brown dwarf 63 Orion Nebula 63 Sedna 63 exoplanets 62 Large Magellanic Cloud 62 Milky Way galaxy 62 quasar 62 XMM Newton 62 globular cluster 62 rocky planets 62 spiral galaxy 62 brown dwarfs 61 unaided eye 61 Betelgeuse 61 nebula 61 Spitzer Space Telescope 61 comet 61 extrasolar planets 61 distant galaxies 60 astronomers 60 supernova 60 Earth magnetosphere 60 exoplanet 60 orbiting 60 infrared telescope 60 globular clusters 60 ejecta 60 Saturn rings 60 planets 59 redshift 59 GRBs 59 ringed planet 59 astronomical objects 59 optical telescopes 59 heliosphere 59 THEMIS 59 Saturn moon Enceladus 59 Milky Way 59 supermassive black hole 59 cosmic microwave background 59 occultation 59 galaxy 59 orbits 59 Enceladus 59 elliptical galaxies 59 galaxy clusters 58 meteoroid 58 Jupiter moons 58 NASA Cassini spacecraft 58 supernova explosions 58 Saturn moons 58 Kuiper Belt 58 GeV 58 neutron star 58 gravitational lensing 58 quasars 58 galaxies 58 constellation Leo 58 infrared wavelengths 58 ionized gas 58 Saturn moon 58 spacetime 57 moon Titan 57 super Earths 57 fainter 57 Lutetia 57 quark gluon plasma 57 X ray Observatory 57 meteoroids 57 nebulae 57 NASA Chandra 57 ESO Very Large Telescope 57 Opportunity rover 57 geologically active 57 pulsar 57 orbiting observatory 57 Cassini Huygens 57 Global Surveyor 56 interstellar dust 56 Comet Tempel 1 56 WMAP 56 ecliptic