Earth’s oxygen comes from a surprisingly deep and warm source, study finds
The amount of oxygen in Earth’s atmosphere makes it a habitable planet. Twenty-one percent of the atmosphere is made up of this life-giving element. But in the distant past – as early as the Neoarchean era 2.8-2.5 billion years ago – this oxygen was almost absent. So how did the Earth’s atmosphere get oxygenated? Our …
Earth’s oxygen comes from a surprisingly deep and warm source, study finds Read More »