By Evan Gough, Universe Today Every 200,000 to 300,000 years, Earth’s magnetic poles reverse. What was once the north pole becomes the south, and vice versa. It’s a time of invisible upheaval. The last reversal was unusual because it was so long ago. For some reason, the poles have remained oriented the way they are […]
Scientists in Japan Just Found a Detailed Record of Earth's Last Magnetic Switcharoo
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