The NASA/ESA Hubble Space Telescope has imaged a set of enigmatic quasar ghosts — ethereal green objects which mark the graves of these objects that flickered to life and then faded. The eight unusual looped structures orbit their host galaxies and glow in a bright and e…
Source: Hubble finds ghosts of quasars past
Thursday, April 2, 2015
Hubble finds ghosts of quasars past
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