NASA scientists uncovered a 540-million-year rhythm linking Earth’s shifting magnetic field to rises and dips in atmospheric oxygen, hinting that the planet’s molten core and moving continents may quietly choreograph the conditions that allow complex life to thrive. Earth’s Magnetism and Oxygen Dance For 540 million years, Earth’s magnetic field and the planet’s oxygen levels […]
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NASA Uncovers a 540-Million-Year Magnetic Rhythm Steering Earth’s Oxygen
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