A complex, hand-colored astronomical diagram illustrating the Ptolemaic geocentric model of the universe. The central circular chart features multiple concentric and eccentric rings in shades of blue and white, representing planetary orbits with epicycles and eccentrics. The diagram is framed by a highly ornate baroque border with pink scrolls, golden decorative elements, and grotesque masks at the corners. Latin titles are contained within decorative cartouches and a banner at the top. Two smaller circular diagrams at the bottom left and right illustrate specific orbital mechanics for the Sun and planets. Labels throughout the diagram identify key astronomical concepts such as the apogee, perigee, and the center of the Earth and the world.

HYPOTHESIS OF THE COMPREHENDING. OR OF ANY SUPERIOR PLANET

HYPOTHESIS OR COMMON MOTION BY AND EPICYCLES

PTOLEMAIC, DEMONSTRATING THE ECCENTRIC ORBITS OF THE PLANETS.

ORBIT OF THE FIRMAMENT AMBIENT TO THE ZODIAC OR SIGN-BEARER AND THE FIXED STARS

EXTERIOR DEFERENT ORBIT OF THE APOGEE. ECCENTRIC IMPROPERLY SO CALLED-DEFERRING THE EPICYCLE-CONVEX SIDES OF THE TRUE PLANETS

EXTERIOR ORBIT OR ECCENTRIC TRUE AND PROPERLY SO CALLED DEFERRING THE EPICYCLE OF THE TRUE CONVEX SIDES

APOGEE
PERIGEE
GREATEST ELONGATION
LEAST ELONGATION
MODERATE ELONGATION

INTERIOR ORBIT OR ECCENTRIC TRUE AND PROPERLY SO CALLED DEFERRING THE EPICYCLE OF THE TRUE CONCAVE SIDES

INTERIOR DEFERENT ORBIT OF THE PERIGEE. ECCENTRIC IMPROPERLY SO CALLED-DEFERRING THE EPICYCLE-CONCAVE SIDES OF THE TRUE PLANETS

CONCAVITY CONCENTRIC TO THE EARTH
CENTER OF THE ECCENTRIC
CENTER OF THE EARTH
CENTER OF THE WORLD

PTOLEMAIC HYPOTHESIS SHOWING THE MOTION OF THE SUN THROUGH THE ECCENTRIC WITHOUT AN EPICYCLE.

PTOLEMY'S HYPOTHESIS DEMONSTRATING THE MOTION OF THE PLANETS THROUGH THE ECCENTRIC AND EPICYCLE.