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flag Earth’s core may contain enough hydrogen to form 45 oceans, suggesting water existed since Earth’s formation.

flag Earth’s core may hold up to 45 times the volume of Earth’s oceans in hydrogen, according to a study published in Nature Communications. flag Using high-pressure experiments and advanced analysis, researchers found hydrogen makes up 0.07% to 0.36% of the core’s weight, suggesting it was incorporated during Earth’s formation over 4.5 billion years ago. flag This challenges earlier theories that Earth’s water arrived later via comets, indicating instead that water and hydrogen were present from the planet’s early development. flag The findings imply the core plays a key role in Earth’s hydrogen cycle and may have influenced the planet’s magnetic field and internal dynamics.

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