Spirals and the sun analemma

Spirals are on the basis of the sun movement. A few months ago, I have illustrated how an ether vortex could be detected in 1925 by the use of an interferometer (Michelson Gale experiment made with a huge Sagnac interferometer). The speed of this vortex is comparable to the diurnal speed of the sun. Such a vortex can influence the speed of light that will not be perfectly the same in all directions all over[…]

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