Labels:text | screenshot | font OCR: The illustrations make this page one of the most famous of the Codex Leicester. They explore the geometry and astronomy of the relationships of the sun, earth, and moon, a central topic in the medieval science of cosmology. Consider the large vertical figure of the sun shining on the earth. A Leonardo writes at length about how the position of the viewer, on the earth or above it, determines how much of the sun is visible: "Here an effect contrary to the law of perspective takes place, in that those who are farther from the solar body see less of it; and they are those who are toward the two poles,