Earth's magnetic field broke down 42,000 years ago and caused massive sudden climate change
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Earth's magnetic field
3.4 Earth's Magnetic Field – Physical Geology, First University of Saskatchewan Edition
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Earth's Magnetic Field Facts
Earth's magnetic field
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When Earth's magnetic poles flip it could be “chaos” for future humans
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Does the Earth's magnetic field affect human health? | U.S. Geological Survey
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Dynamo theory - Wikipedia
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Pole Reversal Happens All The (Geologic) Time | NASA
