The Principles of the Visible World
This part talks about the principles of macro-phenomena such as heavenly bodies
Articles 1-8
Understanding The Works of God →

Articles 9-14
The Nature of the Sun and the Stars →

Articles 15-19`
The Hypothesis of Copernicus and Tycho →

Articles 20-27
Basic Principles of Cartesian Cosmology →

Articles 28-30
The Heliocentric Theory →

Articles 31-35
Vortex Movement →

Articles 38-41
Tycho's Hypothesis →

Articles 42-46
The Theory of Everything →

Articles 47-54
The Dynamics of the 2nd Element →

Articles 52-55
The Creation of the Universe →

Articles 55-59
Light and the Movement of Spacetime Particles →

Articles 60-62
How the Air-Aether Makes Things Round →