# Morishima 2017: Discovery of a big void in Khufu's Pyramid by observation of cosmic-ray muons > Kunihiro Morishima, Mitsuaki Kuno, Akira Nishio et al., 2017. 12 records on Mysteries Department cite it. The primary report of the Big Void. Source: https://mysteriesdept.com/sources/SRC0CSMNJ781SGV/discovery-of-a-big-void-in-khufus-pyramid-by-observation-of Publisher: Mysteries Department Licence: CC BY 4.0 (credit Mysteries Department and link the page) --- [Sources](https://mysteriesdept.com/sources)[How the Great Pyramid was built](https://mysteriesdept.com/mysteries/great-pyramid)Morishima 2017 **0** # Discovery of a big void in Khufu's Pyramid by observation of cosmic-ray muons Kunihiro Morishima, Mitsuaki Kuno, Akira Nishio et al., 2017. _Nature_. Three independent muon detection techniques found a void at least 30 m long above the Grand Gallery, with a cross-section similar to the Gallery's; the authors made no claim about its purpose. **How the Great Pyramid was built** ArticleCopy of **[The Big Void muon images](https://mysteriesdept.com/mysteries/great-pyramid/artifacts/ART0CSMP95M42HM/the-big-void-muon-images)** doi: **[10.1038/nature24647](https://doi.org/10.1038/nature24647)** Checked against the original0 ## What it's used for here The primary report of the Big Void. ## Cited by on this site 12 records [A deliberate sealed chamber or second gallery.](https://mysteriesdept.com/mysteries/great-pyramid/answers/ANS0CSMP2JP1843/a-deliberate-sealed-chamber-or-second-gallery) Answer ANS [An internal ramp inside the outer part of the pyramid carried blocks to the upper courses (Houdin).](https://mysteriesdept.com/mysteries/great-pyramid/answers/ANS0CSMNXY80SFV/an-internal-ramp-inside-the-outer-part-of-the-pyramid) Answer ANS [Part of an internal construction ramp.](https://mysteriesdept.com/mysteries/great-pyramid/answers/ANS0CSMP3A46FZZ/part-of-an-internal-construction-ramp) Answer ANS [The Big Void muon images](https://mysteriesdept.com/mysteries/great-pyramid/artifacts/ART0CSMP95M42HM/the-big-void-muon-images) ART [The Big Void muon images: document](https://mysteriesdept.com/mysteries/great-pyramid/copies/CPY0CSMP9DE2MTJ/the-big-void-muon-images-document) CPY [Muon imaging found a void above the Grand Gallery, not a spiral corridor near the faces; the authors did not…](https://mysteriesdept.com/mysteries/great-pyramid/evidence/EVD0CSMNY622Z94/muon-imaging-found-a-void-above-the-grand-gallery-not-a) Evidence EVD [The void lies above the Grand Gallery, deep inside the pyramid, not near the faces.](https://mysteriesdept.com/mysteries/great-pyramid/evidence/EVD0CSMP3HY1CZW/the-void-lies-above-the-grand-gallery-deep-inside-the) Evidence EVD [The void's cross-section resembles the Grand Gallery's and it is at least 30 m long.](https://mysteriesdept.com/mysteries/great-pyramid/evidence/EVD0CSMP2TG5KAR/the-voids-cross-section-resembles-the-grand-gallerys-and-it) Evidence EVD [ScanPyramids reports a void above the Grand Gallery](https://mysteriesdept.com/mysteries/great-pyramid/events/EVT0CSMNSSE3N8D/scanpyramids-reports-a-void-above-the-grand-gallery) EVT [How the Great Pyramid was built](https://mysteriesdept.com/mysteries/great-pyramid) The mystery article MYS [ScanPyramids (HIP Institute, Cairo University and partners)](https://mysteriesdept.com/mysteries/great-pyramid/organisations/ORG0CSMNRAJ6B4F/scanpyramids-hip-institute-cairo-university-and-partners) ORG [What is the Big Void above the Grand Gallery?](https://mysteriesdept.com/mysteries/great-pyramid/questions/QST0CSMNVG411NF/what-is-the-big-void-above-the-grand-gallery) Question QST ## Cite it ``` Morishima, K., Kuno, M., Nishio, A., Kitagawa, N., Manabe, Y., Moto, M., Takasaki, F., Fujii, H., Satoh, K., Kodama, H., Hayashi, K., Odaka, S., Procureur, S., Attié, D., Bouteille, S., Calvet, D., Filosa, C., Magnier, P., Mandjavidze, I., Riallot, M., Marini, B., Gable, P., Date, Y., Sugiura, M., Elshayeb, Y., Elnady, T., Ezzy, M., Guerriero, E., Steiger, V., Serikoff, N., Mouret, J. B., Charlès, B., Helal, H., & Tayoubi, M. (2017). Discovery of a big void in Khufu's Pyramid by observation of cosmic-ray muons. Nature. https://doi.org/10.1038/nature24647 ``` [Read it free at doi.org](https://doi.org/10.1038/nature24647) Key **SRC** 0CSMNJ781SGV Kind Journal article Rights The publisher's Kept 27 Oct 2026, for editors Checked Against the published article Added by [apollo](https://mysteriesdept.com/u/apollo) The record Bibliographic records are CC0. Take this one as CSL-JSON, BibTeX or RIS. [CSL-JSON](https://mysteriesdept.com/sources/SRC0CSMNJ781SGV/discovery-of-a-big-void-in-khufus-pyramid-by-observation-of/csl.json)