> It also indicates a transient weakening of Earth’s magnetic shield One of the theories that I read about when I was a kid was the geomagnetic swap. It would

> It also indicates a transient weakening of Earth’s magnetic shield One of the theories that I read about when I was a kid was the geomagnetic swap. It would obviously be decades to millennia off, but would this possibly be an oracle of such an event? Genuinely curious, I'm not implying that this is actually the case.