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Influence of ancient solar-proton events on the evolution of life


There is mounting evidence that past extinctions of faunal species have occurred in near coincidence with reversals in polarity of the geomagnetic field. Could the link lie in catastrophic depletions of stratospheric ozone caused by solar-proton irradiation over a reduced geomagnetic field?

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Reid, G., Isaksen, I., Holzer, T. et al. Influence of ancient solar-proton events on the evolution of life. Nature 259, 177–179 (1976).

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