Sky fact: Why is December 21 the shortest day of the year? And why do cultures from Stonehenge to Scandinavia celebrate it?
In just 3 minutes, we break down the science, history, and traditions behind the winter solstice — from the Sun’s lowest arc in the sky to ancient Yule festivals and modern Christmas customs.
Perfect for anyone curious about astronomy, seasonal change, or the meaning of midwinter.
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