n-a-s-a:Spin up of a Supermassive Black HoleIllustration Credit: Harvard-Smithsonian Center for

n-a-s-a:Spin up of a Supermassive Black HoleIllustration Credit: Harvard-Smithsonian Center for

n-a-s-a: Spin up of a Supermassive Black Hole Illustration Credit: Harvard-Smithsonian Center for Astrophysics  -- source link

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