UPDATE: I woke up, looked at the clock, then looked out the window at the moon — no eclipse. “They must have gotten it wrong,” I thought. I looked at the clock again, saw I had misread it, and realized with a little shock of joy, they never get this wrong. Other phenomena of nature — snowstorms, earthquakes, tornadoes, visits by relatives, hurricanes — are unpredictable and easy to get wrong. Eclipses are more like sunrise and sunset: ancient physics and beacons of cer...