Several years ago you folks may remember I headed up to Alaska in February with the goal of catching the Northern Lights. While I did in fact see them, the effect was not quite as brilliant as I’d hoped. Fast forward to this week, when a powerful geomagnetic storm erupted on the sun, sending charged particles toward our atmosphere and lighting up the sky. I happened to be in Minnesota at the time with my husband, and along with our guide, Midwest railfan photographer extraordinaire Nick Benson, we headed over to the Arcola High Bridge to catch the lights. According...