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@ Today I learned
2025-04-26 06:21:03TIL Earth’s North and South Magnetic Poles Flip in a Geomagnetic Reversal Every Few Hundred Thousand Years https://en.wikipedia.org/wiki/Geomagnetic_reversal #til #todayilearned https://www.reddit.com/r/todayilearned/comments/1k8655r/til_earths_north_and_south_magnetic_poles_flip_in/