Extended Data Figure 6: tanϕ, horizontal slices on the Alhazen muography.
From: Discovery of a big void in Khufu’s Pyramid by observation of cosmic-ray muons
The slices are 0.10 (in tangent) thick, and each slice is shifted by 0.02 with respect to the previous one, which means they overlap. Distributions are generally smooth, with two large muon excesses on histograms 5, 6 and 15 (see Methods). Error bars show statistical error of 1σ (standard deviation).
