importantSYS.SOURCE: ETH Zurich• 2026-09-26T07:49:50Z
Lunar Far Side Magnetic Anomalies Reveal Ancient Dynamo Activity
Researchers at ETH Zurich analyzed magnetic and gravity data from the Moon's far side to confirm a strong ancient magnetic field 4.2 billion years ago, suggesting a core dynamo mechanism similar to Earth's. The study identifies a dense, magnetized rock body in the Dewar region as evidence, challenging previous debates about lunar magnetic history.
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