The Great Pyramid of Giza may be the most renowned structure people ever developed. Ancient civilizations built historical icons that are a testimony to their success and determination. But in some aspects, the Great Pyramid stands alone. Of the Seven Wonders of the Ancient World, just the Great Pyramid stands fairly undamaged.
A group of researchers will utilize advances in High Energy Physics (HIP) to scan the Great Pyramid of Khufu at Giza with cosmic-ray muons. They wish to see much deeper into the Great Pyramid than ever in the past and map its internal structure. The effort is called the Explore the Great Pyramid (EGP) objective.
The Great Pyramid of Giza has actually stood considering that the 26 th century BC. It’s the burial place of the Pharoah Khufu, likewise calledCheops Construction took about 27 years, and it was developed with about 2.3 million blocks of stone– a mix of limestone and granite– weighing in at about 6 million loads. For over 3,800 years, it was the highest human-made structure on the planet. We see now just the underlying core structure of the GreatPyramid The smooth white limestone housing was eliminated with time.
The Great Pyramid is well-studied, and throughout the years, archaeologists have actually drawn up the interior structure. The pyramid and the ground under it include various chambers and passages. Khufu’s (Cheops’) chamber sits approximately in the pyramid’s center.

This figure is an elevation diagram of the interior structures of the GreatPyramid The inner and external lines show the pyramid’s present and initial profiles. 1. Original entryway 2. Robbers’ Tunnel (traveler entryway) 3, 4. Descending Passage 5. Subterranean Chamber 6. Ascending Passage 7. Queen’s Chamber & & its “air-shafts” 8. Horizontal Passage 9. Grand Gallery10 King’s Chamber & & its “air-shafts”11 Grotto & &(*********************************************************************************************************************** )ShaftCredit:(********************************************************************************************************************************************************************************************************************************************************** )(******************************************************************************************************************************************************************************************************************************** )CC BY-SA 3.0
In current times, historical groups have actually utilized some state-of-the-art techniques to penetrate the within the pyramids more carefully. In the late 1960 s, American Physicist Luis Alvarez and his group utilized muon tomography to scan the pyramid’s interior. In 1969, Alvarez reported that they took a look at 19% of the pyramid and discovered no brand-new chambers.
In 2016-17, the ScanPyramid s group utilized non-invasive strategies to study the GreatPyramid Like Alvarez prior to them, they utilized muon tomography, together with infrared thermography and other tools. Their most considerable discovery is the “Big Void,” an enormous space above the GrandGallery The discovery was released in the journal Nature and is thought about among the most considerable clinical discoveries that year.
Muons are primary particles comparable to electrons however more huge. They’re utilized in tomography since they permeate deeply into structures. More deeply than even X-rays can.
Cosmic ray muons are produced when high-energy particles called cosmic rays knock into Earth’s environment. Cosmic rays are pieces of atoms– high-energy protons and atomic nuclei– that continuously stream into Earth from the Sun, outside the Solar System, and outside the galaxy. When these particles hit Earth’s environment, the crash produces showers of secondary particles. Some of those particles are muons.

This diagram reveals what occurs when a main cosmic particle hits a particle of environment, producing an air shower. An air shower is a waterfall of secondary decay particles, consisting of muons, showed with the sign?. Credit: By SyntaxError55 at the English Wikipedia, CC BY-SA 3.0
Muons are unsteady and decay in just a number of split seconds or millionths of a 2nd. But they take a trip at near light speed, and at such a high speed, they can permeate deeply prior to they decay. There’s an endless source of muons from the cosmic rays that continuously bombardEarth The job in muon tomography is to determine the muons successfully.
Muon tomography is utilized in various applications, like analyzing shipping containers for contraband. Recent technological developments in muon tomography increase its power and cause brand-new applications. For example, researchers in Italy will utilize muon tomography to image the within the volcanic Mount Vesuvius, intending to comprehend when it may appear once again.
The Explore the Great Pyramid (EGP) objective utilizes muon tomography to take the next action in imaging the GreatPyramid Like ScanPyramid s prior to them, EGP will utilize muon tomography to image the structure’s interior. But EGP states that their muon telescope system will be 100 times more effective than previous muon imaging. “We plan to field a telescope system that has upwards of 100 times the sensitivity of the equipment that has recently been used at the Great Pyramid, will image muons from nearly all angles and will, for the first time, produce a true tomographic image of such a large structure,” they compose in the paper describing the objective.
EGP will utilize huge telescope sensing units moved to various positions outside the GreatPyramid The detectors will be put together in temperature-controlled shipping containers for ease of transport. Each system will be 12 m long, 2.4 m broad, and 2.9 m high (40 feet long, 8 feet broad, and 9.5 feet high.) Their simulations utilized 2 muon telescopes, and each telescope includes 4 containers.

On the left is an illustration of the containers that comprise the telescope. On the right is an illustration of how the telescope will be established on-site. Credit: Explore Great Pyramid objective/Bross et al. 2022.
There are 5 crucial points in the EGP objective:
- Produce a comprehensive analysis of the whole internal structure which does not simply distinguish in between stone and air, however can determine variations in density.
- Answer concerns concerning building and construction strategies by having the ability to see fairly little structural discontinuities.
- The plus size of the telescope system yields not just the increased resolution, however makes it possible for quick collection of the information, which reduces the needed watching time at the website. The EGP group prepares for a two-year watching time.
- The telescope is really modular in nature. This makes it really simple to reconfigure and release at another website for future research studies.
- From a technical viewpoint, the system being proposed usages innovation that has actually been mostly crafted and evaluated and provides a low threat method.
EGP is still constructing telescope models and identifying which data-handling strategies they will utilize. Along the method, they’re doing simulations and other work to get ready for the objective. One important piece is how they’ll confine all those muons into a tomographic image.
But the group is positive in the work they have actually done so far and pleased with their brand-new method. EGP states their effort will produce a real tomographic picture of the Great Pyramid for the very first time, instead of a 2d image.
“The Exploring the Great Pyramid Mission takes a different approach to imaging large structures with cosmic-ray muons. The use of very large muon telescopes placed outside the structure, in our case, the Great Pyramid of Khufu on the Giza plateau, can produce much higher resolution images due to the large number of detected muons. In addition, by moving the telescopes around the base of the pyramid, true tomographic image reconstruction can be performed for the first time.”
Most of EGP’s work up until now has actually been information simulations. But they will not be going back to square one when they develop the telescope. “The detector technology employed in the telescopes is well established, and prototyping of specific components has already begun,” they compose.
When ScanPyramid s found the Big Void in 2017, it was huge news. It triggered some debate, too. Egyptologist Zahi Hawass waved aside the findings. He informed the New York Times that “They found nothing…This paper offers nothing to Egyptology. Zero.”
But most other Egyptologists accepted the discovery and its clinical nature. Physicists were helpful of the discovery, too. Particle physicist Lee Thompson informed Science that: “The scientists have “seen” deep space utilizing 3 various muon detectors in 3 independent experiments, that makes their finding really robust.”
There’s bound to be some drama when researchers utilize contemporary high-energy physics to penetrate among mankind’s most ancient historical treasures. Some Egyptologists appear possessive and may see physicists as trespassers in their field. They may not like physicists utilizing strange particles from deep space to open the veil on our ancient past.
It appears like they’ll need to get utilized to it.
Originally released on Universe Today.
Reference: “Tomographic Muon Imaging of the Great Pyramid of Giza” by Alan D. Bross, E.C. Dukes, Ralf Ehrlich, Eric Fernandez, Sophie Dukes, Mohamed Gobashy, Ishbel Jamieson, Patrick J. La Riviere, Mira Liu, Gregory Marouard, Nadine Moeller, Anna Pla-Dalmau, Paul Rubinov, Omar Shohoud, Phillip Vargas and Tabitha Welch, 16 February 2022, Physics > > Instrumentation and Detectors
arXiv: 2202.08184