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Rise of oxygen on Earth: Initial estimates off by 100 million years

Permanent oxygenation occurred much later than previously thought

"New research shows the permanent rise of oxygen in our atmosphere, which set the stage for life as we know it, happened 100 million years later than previously thought.

A significant rise in oxygen occurred about 2.43 billion years ago, marking the start of the Great Oxidation Episode — a pivotal moment in Earth’s history."

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