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Hubble finds phantom objects near dead quasars
via ESA Space Science
http://sci.esa.int/hubble/55732-hubble-finds-ghosts-of-quasars-past-heic1507/
Hubble finds phantom objects near dead quasars
via ESA Space Science
http://sci.esa.int/hubble/55732-hubble-finds-ghosts-of-quasars-past-heic1507/
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