Phi redux

I started poking around Giza and ancient Egypt after watching a video on the Nebra disk, and trying to find a similar circle-split-by-phi in the alignments of the Giza pyramids.

I didn’t find what I was looking for at the time (in terms of phi being in the alignment of all three pyramids) but did find lots of other things, including phi between P1 and P3.

In the mean time, the so-called Genetic Disc from Peru came along, and I immediately noticed a similar division there. Here’s the two sides of the disk:

Genetic disk from Peru

And the location of phi (well, 360/phi) on the one on the left:

Genetic disk split in phi

The only problem is that this artefact is more than likely a fake. Amazing how much effort fakers will go to.

Then the other night I had an epiphany, and took another look at Giza, and there it was… a phi connection between all three pyramids.

On the downside, I would have preferred centre-centre-centre, or matching corners, but it’s not that bad. Compared to my original phi angle, it’s slightly worse, being out by 0.38682° versus the other one at only 0.0819807°, but still better than 0.5° accuracy.

Anyway, here’s where it is.

More Phi at Giza

And putting both versions on at the same time …

Easy as phi at Giza

That red channel looks almost like the natural outline of a bent index finger. Interesting. I wonder if we should be digging under the bottom left hand corner of Menkaure…

Update 9 March 2019

There is another way of getting the phi relationship, and, FWIW, I think this is the ultimate explanation for the alignment of the three pyramids, possibly/probably read in conjunction with the two alignments above.

Let’s say we have a circle with unit radius, say 1 metre. Then the circumference will be exactly given by \pi \times diameter = \pi  metres

Now if we had to measure a length along the circumference equal to phi, we can calculate what angle we need by \frac{\phi}{\pi} \times 360 = 185.413°

Here’s an illustration:

phi over pi arc length schematic

The important part of the above illustration is not the lengths but the angle of 185.4°, which is from 360φ/π.

And that angle is of course right here on the Giza plateau:

Phi over pi in Giza plan

The angle is 185.702, we want 185.413, out by -0.289 degrees, accuracy is 100.156 % (if the slight variations bother you, remember all calculations are based on measurements which are only accurate to the nearest 10 centimetres. So 100% accuracy is not possible. Also these measurements were made thousands of years after construction, at “best-guess where the corners are/were”, and there have been earthquakes etc. over the years…)

Note that this very clearly ties the alignment of the first pyramid to the furthest corner of the third pyramid. It also mean that we can now link the bottom left corner of the third pyramid to the other two pyramids via phi in three different ways:

The Giza alignment explained.

So given the strong alignments based on phi as demonstrated above, I regret I have to rethink how valid the various star-based theories (Orion, Cygnus and Centuri) are.

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