Quote:
Originally Posted by Colmike7
When the Earth's poles shift, they weaken the most about halfway through the cycle and causes stronger Northern Lights. 
I guess stronger sun flares can do it, too...  |
Yeah, a weaker magnetic field would have the same result since the aurora is caused by charged particles entering the atmosphere. My response before was more in terms of what MikeSouth had written concerning it being more widely visible as a direct result of the increased barrage of particles.