Khufu’s Pyramid is one of the largest archaeological monuments all over the world, which still holds many mysteries. In 2016 and 2017, the ScanPyramids team reported on several discoveries of previously unknown voids by cosmic-ray muon radiography. In new research, scientists carried out a precise analysis of the void — about 9 m in length with a transverse section of about 2 m by 2 m — found behind the North Face Chevron and named the ScanPyramids North Face Corridor.
The Great Pyramid is one of the largest stone structures in the world, built 4,500 years ago by the king Khufu, king Snefru’s son, on the Giza plateau of necropolis in Egypt.
It was expected to be over 146 m high, before its smooth outer coating was stripped off by carriers in the Middle Ages as well as the capstone on the top.
Today, the pyramid is 139 m high and 230 m wide, and is thought to be made of several million pieces of limestone, each about 1-2 m high.
There are large internal structures in its massive stone body, connected by narrow corridors in the north-south direction at a distance of about 7 m east from the center of the pyramid.
They are respectively called, from the bottom to the top, the abandoned subterranean chamber, the queen’s chamber, the grand gallery and the king’s chamber.
In 2016 and 2017, a series of new voids were discovered inside the pyramid, including a Big Void and a corridor-shaped structure located behind the Chevron structures on the north side of the pyramid, named the North Face Corridor.
However, the precise position and shape of the North Face Corridor remain unknown.
Using a technique called cosmic-ray muon radiography, Dr. Sébastien Procureur from the Université Paris-Saclay and his colleagues measured the size, shape and location of the North Face Corridor in detail, without entering it.
According to the team, the corridor measures about 9 m in length, and has a transverse section of about 2 m by 2 m.
“North end of the…
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