A Conversation for The h2g2 Post 22.02.21
The Earth's magnetic field at low ebb
paulh, vaccinated against the Omigod Variant Started conversation Feb 21, 2021
Earth's magnetic field got as low as 0-6 percent strength, about 42,000 years ago. Douglas Adams was nothing if not if not a magnetic perosnlity. 
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The Earth's magnetic field at low ebb
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