Marking the winter solstice, Dec. 21

December21, is the 2023 winter solstice in the northern hemisphere, which includes North America, Europe, most of Asia, and Northern Africa. The Earth orbits the sun on a tilted axis, half of the Earth is pointed toward the sun, while the other half is pointed away from the sun. It is when the Earth is pointed away from the Sun that the winter solstice occurs in the Northern He...