The angle  between the Bruna axle (axle of sun expansion in the universe) and the the biggest semi-axle of the orbit ellipse of a planet will define the distance between the orthogonal projection of the sun B_n and the sun position A_n, on the perihelion focus of the orbit. The A, A_n and B_n positions create a triangule where, in a time t:
- The AA_n side is the trajectory of the sun on the Bruna axle, with velocity b;
- The AB_n side is the trajectory of the sun projection on the orthogonal axle to the the biggest semi-axle of the ellipse, where the sun’s projection goes from A to B_n, with velocity V₁, where V₁ = b sen a.
- The B_nA_n side is the sun’s projection over the biggest axle of the ellipse, where the sun’s projection goes from B_n position to A_n position, with velocity V.
In this triangle, we see that the orthogonal projection to the biggest semi-axle of the ellipse will lead to B_n point approaches to A_n point when the  angle tends 0°. If the angle  = 0, the projection of the B_n point will coincide with the A_n position, leading to ellipse becomes a circumference.

We can also observe that an observer in the solar orbit referential does not know his expansion velocity b in the universe and because of it, for him, the earth’s orbit is not a helicoidal but an ellipse. This observer can only know, in this ellipse, the sun’s projection and its trajectory, the photon’s projection and its trajectory and the velocity v of the sun and c₂ velocity of the photon projected on the orbit plane.

In this figure, the virtual sun emits photons in all direction with velocity c. That one emitted in direction of X₁ projection of the earth on this plane, with velocity c, is influenced by the velocity v of the virtual sun modifying its velocity from c to c₂.
In a time t, which is the same time that sun goes from A position to A_n, we will have:
- The virtual sun goes from B_n position to A_n position, with velocity V;
- The earth goes from X₁ position to X_n;
- The photon goes from B_n position to X_n position with velocity c₂ and, when it arrives at the planet, it gives an impression that it came from the sun on A_n, perihelion focus, with velocity c.
The figure of this ellipse, which has the sun fixed on focus of its perihelion and the orthogonal projection of the sun on B_n, where B_ndislocates to A_n, with velocity V, will be denominated as ellipse of fotonoide. This ellipse has the propriety of creating the B_nA_nX_n triangle which sides:
- B_nA_n, which represents the virtual trajectory of the sun between B_nA_n, with velocity V, in a trajectory of length D, where D is a solar duplication;
- B_nX_n, which represents the projection of the real trajectory of the photon on this ellipse plane, with velocity c₂;
- A_nX_n, which represents the illusory trajectory of the photon, with velocity c.
In this triangle, to any orthogonal projection B_n of the sun on the biggest axle of the ellipse, we will have the mathematic expression
c₂ = V + c.
It means that in a planet orbit the photon is emitted on B_n position of the fotonoide´s ellipse and, inside = velocity V of the planet and aberration effect arrive at a planet and it modifies its velocity from c₂ to c, and it gives an illusion that it came from the focus of the perihelion. At the exact moment that the photon arrives at a planet, it is also arriving at X_n position and the sun at An position. To make it happens, it is necessary that the light works as it was transmitted in an instantaneous way. It also means that the ellipse of fotonoide of a planet submits the physic of Logical Deduction when, to any planet’s position, the velocity of photons are influenced by the velocity of the source, it causes that
c₂ = V + c..

The performance of the light to the various positions of the earth on the fotonóide

In the ellipse of fotonoide, the light works, to any position of the planet in this ellipse, submitting the Logical Deductions laws, which the photon is emitted from the projection of the sun B_n, which arrives at a planet with velocity c₂, giving us an illusion that it came from the sun which is located on the focus of perihelion of the ellipse, being

c₂ = V + c.