And behold a wall on the outside of the house round about, and in the man’s hand a measuring reed of six cubits long by the cubit and an hand breadth: so he measured the breadth of the building, one reed; and the height, one reed. Ezekiel 40:5.
We could say that the annual parallax of a star is the angle defined by the sun, the star and the Earth. (considering the star perpendicular to the line that unites the Sun and the Earth).
Astronomical aberration is a phenomenon that makes a star, seen in a telescope, appear in a place slightly different from the expected. Aberration has been observed in 1727 by the English astronomer James Bradley who, in the course of his surveys, noticed that stars seemed to be subject to a slight movement within a period of one sidereal year. He thought that this movement depended on the position of the star inside the celestial sphere. Read more
True wisdom has built its house ; it has hewn out its seven pillars. Proverbs 9:1
Where did you happen to be when I founded the earth? Who set its measurements, in case you know and who stretched out upon it the measuring line? Into what have its socket pedestals been sunk down and who laid its cornerstone? Job 38:4-6
If the heavens up above could be measured and the foundations of the earth below could be searched out… Jeremy 31:35-37
When considering earth as stationary and flat, the sun must be moving on a conic trajectory . (Maybe you can remember my article “Our Earth Pond and the Tent of the Sun”). In the same way the moon, in its movement in the space/ time, has to follow a trajectory moving in the shape of a cone. And this will be the basic theme of the following consideration.