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Sun unleashes powerful X-class solar flare, knocking out radio signals across Australia (www.space.com)

submitted 6 hours ago by return2ozma@lemmy.world to c/world@lemmy.world

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[–] A_A@lemmy.world 7 points 5 hours ago

i searched this topic a little bit to see what could be the worst consequences at ground level and the worst I found ((much smaller than what was described by another user @givesomefucks here)) was this :

spoiler

Ground-induced electric fields

https://en.wikipedia.org/wiki/Space_weather#Effects

Magnetic storm activity can induce geoelectric fields in the Earth's conducting lithosphere.[26] Corresponding voltage differentials can find their way into electric power grids through ground connections, driving uncontrolled electric currents that interfere with grid operation, damage transformers, trip protective relays, and sometimes cause blackouts.[27] This complicated chain of causes and effects was demonstrated during the magnetic storm of March 1989,[28] which caused the complete collapse of the Hydro-Québec electric-power grid in Canada, temporarily leaving nine million people without electricity. The possible occurrence of an even more intense storm[29] led to operational standards intended to mitigate induction-hazard risks, while reinsurance companies commissioned revised risk assessments.[30]

Here, the collapse of the power grid was not caused by terribly energetic phenomena(s) but rather, lack of oversight about ground fault protection devices ... that has been corrected since then.

[–] givesomefucks@lemmy.world 8 points 5 hours ago (1 children)

Still not a "big" one...

I think it was late 1800s America got hit by one that allowed unpowered telegrams to be sent nationwide for like, a while. If we got one that strong in the modern era, it would blow every single electric transformer on that entire hemisphere. Not just hit the safety and cut out, like actually explode and be permanently destroyed.

Those things are already difficult to produce for multiple reasons, and losing them on that scale would take over a decade to recover. And it would obviously happen in the wealthiest places first, and global demand would mean other places can't afford to replace any from normal breakage, along with driving up the price of a lot of materials used for other electronics.

We won't see it coming either. Like, the article says we're predicting more the next few days, but that's because these are always happening, and when there's one big one, there's likely to be other big ones.

It's one of those things you can't unlearn once you realize we're at a constant risk of something that would basically ruin society. At least it's a coin flip if it hits anywhere specific when it happens. Because eventually it will happen

[–] Substance_P@lemmy.world 11 points 5 hours ago (1 children)

The Carrington Event - 1859

[–] givesomefucks@lemmy.world 6 points 5 hours ago

Thanks.

Lasted about two hours, batteries were frying them so they took out the batteries trying to shut them off, but they just kept working due to ambient current on the lines.

It also brought up how much more random it is, it's not like a hand grenade that expands equally. It's more like someone threw a bunch of loose bottle rockets in a camp fire. They're all going to go off, but the chances of hitting one specific spot is low. Obviously we're all spinning and hurtling thru space too, so it truly is just random fucking chance.