Published 1 year ago

Where Did Earth's Oxygen Come From? Scientists Hint At An Unexpected Source

Summary by Ground News

Twenty-one percent of the atmosphere consists of this life-giving element. In the distant past, as far back as the Neoarchaic era 2.8 to 2.5 billion years ago, this oxygen was almost absent. The research suggests that at least some of Earth's early oxygen came from a tectonic source via the movement and destruction of the Earth's crust.

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NDTV

Where Did Earth's Oxygen Come From? Scientists Hint At An Unexpected Source

The amount of oxygen in the Earth's atmosphere makes it a habitable planet. 21% of the atmosphere consists of this life-giving element. But in the deep past - as far back as the Neoarchean era 2.8-2.5 billion years ago - this oxygen was almost absent

1 year ago·New Delhi, India

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Go2NewsHub

Where did the oxygen on Earth come from? Scientists point to an unexpected source

The amount of oxygen in Earth's atmosphere makes it a habitable planet. (representative) Michigan: The amount of oxygen in Earth's atmosphere makes it a habitable planet. Twenty-one percent of the atmosphere consists of this life-giving element. But in the distant past - as far back as the Neoarchaic era 2.8 to 2.5 billion years ago

1 year ago

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