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enderverse87 t1_ja9bre6 wrote

We don't really know since it's never happened yet since we invented electricity.

It's most likely not going to be that big a deal.

Maybe shut down flights for a few days/weeks? Maybe some minor temporary issues with satellites.

The next big solar flare, now that's going to cause some problems. The one in 1859 would shut down half the globe if it happened now.

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Amazing-Ad-669 t1_ja9dnrh wrote

It's happened 183 times throughout geologic history I believe. And yes, not in recent history. Every 300,000 years or so?

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therealnai249 t1_ja9s7i4 wrote

Well 183 times that we have evidence for in the last 83 my, oceanic crust doesn’t last long so we really don’t know how many times in total.

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grumblecakes1 t1_jaahpfz wrote

It has irregular intervals too. without looking it up i believe there is a few times where it flipped several times in just a few thousand years.

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TurtleneckTrump t1_ja9tfot wrote

Umm.. any solar flare while the earths magnetic is pratically gone during the swap is going cause a shitload of problems

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enderverse87 t1_jaa0vrq wrote

We don't actually know that it disappears during the shift. That's just an old speculation that doesn't actually have any evidence in the fossil records.

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TurtleneckTrump t1_jaa66o8 wrote

A speculation that is based on magnetic flux calculations. The field WILL weaken a lot, the question is how well it can still protect us

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