Boyne Valley Day Tours

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Newgrange Winter Solstice Images

Newgrange Winter Solstice
At the winter solstice, the rising sun shines directly along the long passage into the chamber for about 17 minutes and illuminates the chamber floor. The sun enters the passage through a specially contrived opening, known as a roofbox, directly above the main entrance.


Newgrange Winter Solstice
The alignment is such that although the roofbox is above the passage entrance, the light hits the floor of the inner chamber. Today the first light enters about four minutes after sunrise, but calculations based on the precession of the Earth show that 5,000 years ago first light would have entered exactly at sunrise.


Newgrange Winter Solstice
The solar alignment at Newgrange is very precise compared to similar phenomena at other passage graves such as Dowth or Maes Howe in the Orkney Islands, off the coast of Scotland.

     


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Boyne Valley Tours

Boyne Valley Tours Private Tour with pick up and return to your accommodation. Newgrange World Heritage site, the 10th century High Crosses at Monasterboice, Hill of Tara the seat of the High Kings, Bective Abbey and Trim Castle the largest Norman castle in Ireland More ...




       
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