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Ancient Mysteries

How did the Egyptians align the Great Pyramid?

February 21, 2018 | Comment icon 5 comments



Did the Egyptians use the fall equinox to align the pyramids ? Image Credit: CC BY-SA 2.5 Nina Aldin Thune
Archaeologist and engineer Glen Dash has worked out how such a precise alignment was achieved.
Among the many wonders of the Great Pyramid of Giza is the mystery of how its ancient Egyptian builders managed to align it so precisely along the cardinal points, north-south-east-west.

"The builders of the Great Pyramid of Khufu aligned the great monument to the cardinal points with an accuracy of better than four minutes of arc, or one-fifteenth of one degree," said Dash. "All three pyramids exhibit the same manner of error; they are rotated slightly counterclockwise."

As it turns out however, the answer to this enigma may be deceptively simple.
According to Dash, the method used by the builders would have involved placing a rod (or 'gnomon') on a wooden platform and marking where the shadow fell at various times throughout the day.

If this is done at the time of the fall equinox, the tip of the shadow will run almost perfectly east to west but with the same small degree of error seen in the alignments of the pyramids themselves.

"It is hard to imagine a method that could be simpler, either conceptually or in practice," he said.

Source: Live Science | Comments (5)



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Recent comments on this story
Comment icon #1 Posted by Vlad the Mighty 4 years ago
Wouldn't it be funny if they found it aligned with nothing at all of any esoteric, numerological, astrological or anything else significance, and they just put it where they did because it was the only place they had room.  
Comment icon #2 Posted by DieChecker 4 years ago
Huh? I thought this was an old Boy Scout trick. How is it this is only now being put forward? Or, maybe it is only now being claimed as a method, scholastically? 
Comment icon #3 Posted by Simpson of kent 4 years ago
How do you know when its' a "Various time of the day , " if you don' have a watch ? 
Comment icon #4 Posted by S k waterwoth 4 years ago
The Egyptians, in the days of Khufu, could not have built the Great pyramid of Giza. The pyramid was constructed, by using a measuring system that was exactly divisible by 3, as we find with the Imperial measurement system.The Royal Egyptian cubit is not divisible by 3, to an exact number and therefore means that the pyramid was constructed before the advent of the Royal Egyptian cubit.The true dimensions of the pyramid are 480' in height and 756' in width.
Comment icon #5 Posted by Gaden 4 years ago
 The clue is the word 'various'. You would only need a watch if they had used the word 'specific'. 


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