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Large sun-grazing comets could bring on the sort of global electronics meltdown usually associated with electromagnetic pulse weapons or a full-scale nuclear exchange.
Although not expected to be harmful to humans, such an event could be extremely devastating to our electronic grid and could quite possibly send us back into a new Stone Age, says Eichler.
Today, the Carrington Event itself would be devastating, says Eichler, and it wasn’t particularly powerful or all that unusual on an astrophysical timescale.
After completing his research, Eichler says he is most surprised by the fact that we’re still here to tell the tale.