A brilliant moon illuminates fresh white snow on the Kenai Mountains in southcentral Alaska as multicolored auroras dance above Portage Lake on November 7, 2017, at 3:33 am. Photo by Todd Salat. “I hear the northern lights are going to shut off because we’re in the low of the solar cycle,” someone had told me a while back. This thought flashed through my mind as I stood bewildered by the aurora dancing directly over me last March in Alaska’s interior. Not one night, but five nights in a row, the nighttime sky erupted with wild, bizarre sheets of emerald white and crimson light rippling and following the turbulent whims of our magnetic field interacting with the solar wind. Science turned magical. It’s true that we are currently in what’s called solar minimum, the quieter phase in the approximate 11-year sunspot cycle. This means sunspots are low in number. Headline-grabbing explosions…