Related by context. Frequent words. (Click for all words.) 60 WASP #b 59 #:#:# AM GMT 58 magnetar 58 Gamma ray bursts 58 planetary nebulae 57 Crab Nebula 57 magnetars 57 super Earths 57 distant galaxy 56 supernova explosion 56 Eta Carinae 56 star Gliese 55 GRB # 55 Orion Nebula 55 protoplanetary disk 54 Over +# Channels 54 z = 54 Cepheids 54 GRBs 54 radial velocity 54 Betelgeuse 54 Cancri 53 COROT 53 planet orbits 53 brown dwarf 53 redshifts 53 active galactic nuclei 53 Large Magellanic Cloud 52 redshift 52 globular clusters 52 X ray emission 52 elliptical galaxies 52 kelvin 52 galaxy formation 52 planetary nebula 52 supernova remnants 52 planet orbiting 52 globular cluster 52 Gamma rays 51 galaxy cluster 51 HD #b [002] 51 Gliese #g 51 Andromeda galaxy 51 brown dwarfs 50 supernova explosions 50 supernova remnant 50 unaided eye 50 XMM Newton 50 dwarf galaxy 50 rocky planets 50 moonlets 49 sextillion 49 Fomalhaut 49 planet Uranus 49 visible wavelengths 49 quasar 49 shorter wavelengths 49 constellation Leo 49 R#a# 49 Andromeda Galaxy 49 Hubble observations 49 observable universe 49 gamma ray burst 49 exoplanets 49 supernova 49 constellation Perseus 49 positrons 48 Pulsars 48 planets orbiting 48 optical wavelengths 48 quasars 48 Mauna Kea Hawaii 48 supermassive black holes 48 GeV 48 fainter 48 Cosmologists 48 spiral galaxy 48 hot Jupiters 48 Gliese 48 Hawking radiation 48 planets circling 48 habitable planets 48 microlensing 48 WIMPs 48 colliding galaxies 48 solar corona 48 Higgs particle 48 habitable zones 48 distant galaxies 48 extrasolar planet 47 neutron stars 47 photometry 47 Type Ia supernovae 47 nebula 47 galaxies 47 Galaxy Evolution 47 orbiting planets 47 aurorae 47 nebulae 46 Phaethon 46 Milky Way Galaxy