https://learningenglish.voanews.com/a/scientists-find-time-was-slower-in-quasars-of-the-early-universe/7169978.html
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7/10/23 at 9:57pm
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VOA News
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VOA Learning English
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The researchers studied the brightness of 190 quasars that existed about 1.5 billion years after the universe was created. The observations show that time moved five times more slowly back then.
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