The Hidden Harmony Of The Planets
Ancient philosophers believed the entire universe was composed of literal music. They theorized that the orbits of planets created complex, divine harmonies that human souls could perceive despite being unable to hear them.
This concept of the music of the spheres suggests that celestial bodies follow mathematical ratios similar to those found in musical scales. Pythagoras first proposed the idea, and centuries later, Johannes Kepler used it to help calculate planetary motion. He believed the speed and distance of planets were governed by musical proportions dictated by nature. While we now know space is silent, this beautiful vision shaped how early scientists viewed the order of the cosmos.
Source: Musica universalis