Related by context. Frequent words. (Click for all words.) 62 supernova remnant 60 Orion Nebula 60 Andromeda galaxy 59 planet orbits 59 Cancri 59 star Gliese 59 HD #b [002] 58 supernova remnants 58 active galactic nuclei 57 WASP #b 57 galaxy cluster 57 La Silla Chile 56 Andromeda Galaxy 56 Large Magellanic Cloud 56 colliding galaxies 56 protoplanetary disk 56 Galaxy Evolution 56 planetary nebulae 56 Eta Carinae 56 Fomalhaut 56 X ray emission 56 optical wavelengths 55 brown dwarf 55 Mauna Kea Hawaii 55 spiral galaxy 55 distant galaxy 55 nebulae 55 planetary nebula 55 spiral galaxies 55 planet orbiting 55 photometry 54 elliptical galaxies 54 Spitzer Space Telescope 54 accretion disk 54 Kuiper belt 54 solar corona 54 galaxies 54 infrared wavelengths 54 Jupiter Saturn 54 XMM Newton 53 solar nebula 53 aurorae 53 distant galaxies 53 galaxy clusters 53 dwarf galaxy 53 moonlets 53 interferometric 53 habitable zones 53 Milky Way Galaxy 53 WM Keck Observatory 53 nebula 53 Crab Nebula 53 ESO Very Large Telescope 53 visible wavelengths 53 shorter wavelengths 53 interferometry 53 GRBs 53 ejecta 53 photoluminescence 52 Type Ia supernovae 52 spectroscopic 52 supernova explosion 52 redshifts 52 extrasolar planets 52 quasar 52 constellation Orion 52 Mimas 52 polar vortex 52 extrasolar planet 52 photometer 52 globular cluster 52 planet Uranus 52 Cepheids 52 interstellar dust 52 accreting 52 celestial object 52 pulsar 52 globular clusters 52 planetesimals 52 quasars 52 innermost planet 52 Milky Way galaxy 52 Haumea 51 magnetars 51 Very Large Telescope 51 radial velocity 51 gamma ray burst 51 rocky planets 51 unaided eye 51 Jupiter Saturn Uranus 51 Gliese #g 51 magnetar 51 Milky Way 51 constellation Leo 51 spectral signature 51 redshift 51 Oort Cloud 51 constellation Perseus 51 supernova 51 ionized gas 51 Betelgeuse