Earth's Magnetic Field Almost Completely Collapsed 550 Million Years Ago - Universe Today
7/30/2022 12:00:00 AM2 years 9 months ago
by Carolyn Collins Petersen
by Carolyn Collins Petersen
Earth's magnetic field nearly collapsed during the Early Cambrian period of geologic history. Luckily for us, it regenerated.
More than half a billion years ago, Earth experienced an almost-complete collapse of its magnetic field. It began in the early Cambrian period. Then, after a period of about 15 million years, the fie… [+5407 chars]
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