I have been wanting to blog about this for quite sometime. Better late than never. Several weeks ago, a spectacular light show appeared over parts of the United States and Canada. The northern lights – or “aurora borealis” – are beautiful, colorful waves from above that captivate those lucky enough to see them. One account I had read called this atmospheric phenomenon “the Holy Grail of skywatching.” Indeed. Think of the darkest night sky you’ve ever seen. Add bursts of yellow and green staining the horizon. Maybe dollops of red and purple blotches that paint pillars and curtains. Imagine a geomagnetic storm of epic proportions. Right over your head. Science…