Researchers identify million-year orbital cycles as 'pacemaker' for Earth's ancient oxygenation pulses

PHYSorg
Oct 28, 2025, 9:40 am89 pts
A research team from the Nanjing Institute of Geology and Paleontology of the Chinese Academy of Sciences (NIGPAS), along with collaborators, has found that long-term orbital variations occurring over million-year timescales may have served as the "pacemaker" for Earth's ancient oxygenation pulses. Their…

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