Related by context. Frequent words. (Click for all words.) 62 galaxy cluster 62 redshift 59 distant galaxy 59 gamma ray burst 58 supernova remnant 58 magnetar 56 brown dwarf 56 z = 56 dwarf galaxy 56 XMM Newton 56 planet orbits 56 quasar 56 GeV 54 Cancri 54 X ray emission 54 supernova 53 globular cluster 53 Large Magellanic Cloud 53 GRBs 53 J# [002] 53 Eta Carinae 52 spiral galaxy 52 Crab Nebula 52 HD #b [002] 52 microlensing 52 supernova explosion 52 Andromeda galaxy 51 Betelgeuse 51 celestial object 51 gamma ray bursts 51 spectroscopic 51 GRB 51 electron volts 51 planet orbiting 51 picoseconds 51 neutron star 50 X ray Observatory 50 extrasolar planet 50 OGLE 50 auroral 50 Fomalhaut 50 Mimas 50 quasars 50 brown dwarfs 50 globular clusters 50 NICMOS 49 galaxy clusters 49 interferometry 49 spiral galaxies 49 supernovae 49 elliptical galaxies 49 Orion Nebula 49 COROT 49 infrared wavelengths 49 photometric 49 Andromeda Galaxy 49 DD# [001] 48 laser pulse 48 accretion disk 48 Spitzer Space Telescope 48 planets orbiting 48 ejecta 48 orbits 48 Gliese 48 femtoseconds 48 picosecond 48 Very Large Telescope 48 anisotropy 48 Spectrometer 48 exoplanet 48 supermassive black hole 48 Gamma ray bursts 48 distant galaxies 48 spectra 48 nebula 48 optical microscopy 48 isotropic 48 amplitudes 47 extrasolar planets 47 gravitational wave 47 galaxies 47 Sedna 47 exoplanets 47 Gliese #g 47 luminosity 47 neutrino 47 optical telescope 47 interferometer 47 super Earths 47 WM Keck Observatory 47 comet nucleus 47 sunspot 47 ESO Very Large Telescope 47 astronomical objects 47 pulsar 47 dwarf galaxies 46 optical microscope 46 NASA Chandra 46 constellation Perseus 46 beamline 46 infrared telescope