If it happened they aren’t telling. Frankly I’m a bit astounded that it happens at all. It sounds like a science fiction story to me. But they are saying the sun reverses it’s magnitic poles about every 11 years.
Now on earth it was about 40,000 years ago. Apparently they can determine the polartiy of rock formations and determine the location of the magnetic pole when the stone was formed. 45 years ago I was told about this theory and said flat out no-way. Now that the pole has moved and there are , measuring devices to prove previous reverses I’m buying into it.