Translations:On Dördüncü Lem'a/20/en

For when the vast circle called the zodiac, which is the circle denoting the degrees of the sun, and the circle of the declination of the moon, which is the circle depicting its mansions, pass over one another, it gives each of the two circles the form of an arc. Using a subtle metaphor the astronomers called the two arcs “the two great serpents.”