It’s Dec. 31, the last day of 2017. Exotic terms are floating around: equinox, solstice, perihelion, aphelion. All of them have something or other to do with the sun and the Earth.
Rudi Kiefer: A year-end primer on earth’s equinoxes, solstices and seasons
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![Rudi Kiefer](https://gainesvilletimes.cdn-anvilcms.net/media/images/2017/08/15/images/Rudi-Kiefer.max-752x423.jpg)