Start of spring

This past Thursday marked the vernal equinox, signaling the official start of Spring. While the media often claims that "day and night are equal" on this day, a closer look at sunrise and sunset times reveals that daylight actually lasts a few minutes longer. The reason? Atmospheric refraction, which bends the sun’s image upward. But even so, it’s a close enough approximation. Tune in to hear more about the rhythms of our planet.