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Young Sun-like Star Shows a Magnetic Field Was Critical for Life on the Early Earth | Smithsonian Institution
If Earth had no magnetic field, how close could the sun get without destroying all life on the planet with solar radiation? - Quora
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Half a billion years ago, Earth was on track to become just like Mars. Ancient rocks now show what saved our magnetic field
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atmosphere - Does the magnetic field really protect Earth from anything? - Earth Science Stack Exchange
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