David Mole

Postdoctoral fellow, Earth Sciences, Laurentian University

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An artist’s impression of the Earth around 2.7 billion years ago in the Archean Eon. With green iron-rich seas, an orange methane-rich atmosphere and a surface dominated by oceans, the Archean Earth would have been a very different place. Illustration: Andrey Atuchin, Author provided (no reuse)

Science & Technology

Where did the Earth’s oxygen come from? New study hints at an unexpected source

01 Dec 2022

5 min read

Down To Earth

www.downtoearth.org.in