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Continue to ChatEarth's magnetic field reversed 42,000 years ago. The consequences were dramatic https://abc7.news/earths-magnetic-field-reversed-42000-years-ago-the-consequences-were-dramatic.html
Earth's magnetic field reversed 42,000 years ago. The consequences were dramatic https://abc7.news/earths-magnetic-field-reversed-42000-years-ago-the-consequences-were-dramatic.html