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2020-04-14: Was the Milky Way a Quasar?

  • 09:54: A mini AGN phase is triggered either by an influx of gas or by a random massive star getting too close to the black hole.
  • 01:49: ... the field believe that all supermassive black holes went through violent AGN phases in the past — and that includes our very own Sagittarius ...
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