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The winter solstice is on Monday. A planetary scientist's simple animation explains what solstices are and how they work.
The winter solstice came on Monday at 5:02 a.m. ET ... the degree to which the planet is tilted relative to the sun. The axis around which the Earth spins isn't straight up and down — it's ...
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Celebrate the sun during the winter solstice
When the sun rises during their winter solstice, it shines through one of the temple windows and lights up a ceremonial stone inside. Some 5,000 years ago, people living in Ireland built a tomb ...