Hubble finds phantom objects close to dead quasars

April 3, 2015 10:06 PM

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Enlarge Winding green filaments observed by the NASA/ESA Hubble Space Telescope inside eight distinct galaxies. The ethereal wisps in these pictures were illuminated, probably briefly, by a blast of radiation from a quasar -- a incredibly luminous and compact...

NASA's Hubble Space Telescope has photographed a set of wispy, goblin-green objects that are the ephemeral ghosts of quasars that flickered to life and then faded.

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