Radiation hitting the ground varies with the Earth's magnetic field strength. At times of low magnetic field or during null at a reversal, the radiation levels increase but only I think by a factor of less than 10. Not really a significant dose. One can only assume that the Sun's output over the last million years or more has been just like it has been over the last historical solar cycles so not much has changed. The gamma ray bursts from outer space like the one a decade or so ago that gave everybody on the other side of the planet the equivalent of a chest x-ray was not long term so it does not play into the long term hormesis theory.
Frank S.
Hormesis, Again
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Frank Sanns
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Re: Hormesis, Again
Achiever's madness; when enough is still not enough. ---FS
We have to stop looking at the world through our physical eyes. The universe is NOT what we see. It is the quantum world that is real. The rest is just an electron illusion. ---FS
We have to stop looking at the world through our physical eyes. The universe is NOT what we see. It is the quantum world that is real. The rest is just an electron illusion. ---FS