Every year on December 21, the winter solstice marks the shortest, darkest day of the year in the Northern Hemisphere. Astronomically, it’s the moment the sun enters Capricorn, beginning a season of ...
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The summer solstice: What is it and when does it occur?
The summer solstice marks the start of astronomical summer and the longest day of the year. Here we explore when the summer solstice occurs and why.
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