The Total Solar Eclipse

Astronomer Johannes Kepler did not have the benefit of sophisticated telescopes or computers yet, in the 17th century, he was able to establish a proven harmonic relationship between the planets. In his third law of planetary motion Kepler states: The orbital period of a planet is proportional to its distance to the Sun This was first revealed in his seminal work Harmonice Mundi or 'Harmony of the World' in 1619. It is also known as the Harmonic Law.

Kepler