The Winter Solstice Has a Surprising Secret
If you live in the midlatitudes of Earth’s Northern Hemisphere—and there’s a pretty good chance you do—you’ve probably noticed the days getting shorter and the nights growing longer over the past few weeks. This process started at the time of the June solstice, was fastest during the equinox in September and culminated at 10:27 P.M. EST on December 21 (3:27 A.M. UTC on December 22).At that time, the sun was at its southernmost point in the sky, or, if we take a more cosmic perspective, Earth’s northern axis was tipped the…