Newgrange, a 5,000-year-old passage tomb in Ireland, is one of the most remarkable monuments of prehistoric Europe. Built centuries before Stonehenge and the Egyptian pyramids, it demonstrates the advanced astronomical knowledge of its builders.
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| Illustration: Sunlight entering Newgrange chamber during winter solstice. This image is a reconstruction. |
Each year, at the winter solstice, the rising sun shines through a narrow roof-box above the entrance and illuminates the inner chamber. This rare event lasts only a few minutes, yet it shows the precise alignment of the monument with the solar cycle.
The phenomenon suggests that Newgrange was not only a burial site but also a sacred place where cosmic order was celebrated. The alignment may have symbolized rebirth, renewal, and the triumph of light over darkness during the longest night of the year.
Sources: Irish Archaeology, Wikipedia, National Geographic
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