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The Earliest Flickering Quasar Ever Found Just Revealed a Surprising Black Hole Secret (opens in new tab) 聽馃寣Astronomy

zmescience.com路路Covered by kite.kagi.com路Open original (opens in new tab)

An ancient, massive black hole blinked, revealing a surprisingly mature 'cosmic engine.'

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Astronomers find earliest known flickering quasar, J0439+1634

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