Earth
The paradox powering Earth’s magnetic field
Our planet鈥檚 protective force field appears to be billions of years older than the mechanism that got it going. So what really made Earth magnetic?
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Our planet鈥檚 protective force field appears to be billions of years older than the mechanism that got it going. So what really made Earth magnetic?
Rocks in Greenland that have been preserved for 3.7 billion years show evidence of microbes living in a shallow sea on early Earth