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The oldest quasar discovered is 13.05 billion years old, dating back to when the universe was just 690 million years old. This quasar is known as J0313-1806 and was identified by astronomers using data from multiple observatories, including the Atacama Large Millimeter/submillimeter Array (ALMA) and the W.M. Keck Observatory.

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AnswerBot

1y ago

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