Ingenious at Glance -Johannes Kepler on Astrology – An Insight of Kepler

‘The soul of the newly born baby is marked for life by the pattern of the stars at the moment it comes into the world, unconsciously remembers it, and remains sensitive to the return of configurations of a similar kind.’

This was One of famous quote written by Johannes Kepler on Fate and Destiny based on Planetary Movements and how it can impacts us in a deeper subconscious level. Interested readers can read same in his one of most Renowned Book ” Harmonics Mundi”

By Johannes Kepler’s, Harmonics Mundi, chapter 7
A Astronomer, Astrologer & Mathematician

Kepler was convinced that the geometrical things have provided the Creator with the model for decorating the whole world”. In Harmonic Mundi , he attempted to explain the proportions of the natural world—particularly the astronomical and astrological aspects .Soon after publishing Harmonices Mundi, Kepler was embroiled in a priority dispute with Robert Fludd, who had recently published his own harmonic theory.

Kepler began by exploring regular polygons and regular solids, including the figures that would come to be known as Kepler’s solids. From there, he extended his harmonic analysis to music, meteorology, and astrology; harmony resulted from the tones made by the souls of heavenly bodies and in the case of astrology, the interaction between those tones and human souls. In the final portion of the work, Kepler dealt with planetary motions, especially relationships between orbital velocity and orbital distance from the Sun. Similar relationships had been used by other astronomers, but Kepler with Tycho’s data and his own astronomical theories treated them much more precisely and attached new physical significance to them.

Kepler discovered the laws of planetary motion while trying to achieve the Pythagorean purpose of finding the harmony of the celestial spheres. In his cosmological vision, it was not a coincidence that the number of perfect polyhedra was one less than the number of known planets. Having embraced the Copernican system, he set out to prove that the distances from the planets to the sun were given by spheres inside perfect polyhedra, all of which were nested inside each other. The smallest orbit, that of Mercury, was the innermost sphere.
He thereby identified the five Platonic solids with the five intervals between the six known planets (Mercury, Venus, Earth, Mars, Jupiter, Saturn) and the five classical elements.
In 1596 Kepler published Mysterium Cosmographicum, or The Sacred Mystery of the Cosmos. Here is a selection explaining the relation between the planets and the Platonic solids:Before the universe was created, there were no numbers except the Trinity, which is God himself.For, the line and the plane imply no numbers: here infinitude itself reigns. Let us consider, therefore, the solids. We must first eliminate the irregular solids, because we are only concerned with orderly creation. There remain six bodies, the sphere and the five regular polyhedra. To the sphere corresponds the heaven. On the other hand, the dynamic world is represented by the flat-faces solids. Of thesethere are five: when viewed as boundaries, however, these five determine six distinct things: hence the six planets that revolve about the sun. 
This is also the reason why there are but six planets,Kepler’s Platonic solid model of the Solar system from Mysterium Cosmographicum (1596)  
” I have further shown that the regular solids fall into two groups: three in one, and two in the other. To the larger group belongs, first of all, the Cube, then the Pyramid, and finally the Dodecahedron. To the second group belongs, first, the Octahedron, and second, the Icosahedron. That is why the most important portion of the universe, the Earth, where God’s image is reflected in man, separates the two groups. For, as I have proved next, the solids of the first group must lie beyond the earth’s orbit, and those of the second group within.Thus I was led to assign the Cube to Saturn, the Tetrahedron to Jupiter, the Dodecahedron to Mars, the Icosahedron to Venus, and the Octahedron to Closeup of inner section of the mode “
To emphasize his theory, Kepler envisaged an impressive model of the universe which shows a cube, inside a sphere, with a tetrahedron inscribed in it; another sphere inside it with a dodecahedron inscribed; a sphere with an icosahedron inscribed inside; and finally a sphere with an octahedron inscribed. Each of these celestial spheres had a planet embedded within them, and thus defined the planet’s orbit.
In his 1619 book, Harmonice Mundi or Harmony of the Worlds, as well as the aforementioned Mysterium Cosmographicum, he also made an association between the Platonic solids with
the classical conception of the elements: the tetrahedron was the form of fire, the octahedron was that of air, the cube was earth, the icosahedron was water, and the dodecahedron was the cosmos as a whole or ether. There is some evidence this association was of ancient origin, as Plato tells of one Timaeus of Locri who thought of the Universe as being enveloped by a gigantic dodecahedron while the other four solids represent the “elements” of fire, air, earth, and water.
His most significant achievements came from the realization that the planets moved in elliptical, not circular, orbits. This realization was a direct consequence of his failed attempt to fit the planetary orbits within polyhedra. Kepler’s willingness to abandon his most cherished theory in the face of precise observational evidence also indicates that he had a very modern attitude to scientific research. Kepler also made great steps in trying to describe the motion of the planets by appealing to a force which resembled magnetism, which he believed emanated from the sun. Although he did not discover gravity, he seems to have attempted to invoke the first empirical example of a universal law to explain the behaviour of both earthly and heavenly bodies.
Kepler disdained astrologers who pandered to the tastes of the common man without knowledge of the abstract and general rules, but he saw compiling prognostications as a justified means of supplementing his meager income.

Yet, it would be a mistake to take Kepler’s astrological interests as merely pecuniary. As one historian, John North, put it, “had he not been an astrologer he would very probably have failed to produce his planetary astronomy in the form we have it.” However, Kepler’s views on astrology were quite unconventional for his time; he argued for a system of astrology based largely on harmonics, a type of ‘planetary harmonics’ based almost entirely upon the astrological aspects and what has been traditionally been termed “the music of the spheres.” Information relating to his theories can be found in his book Harmonice Mundi.

Kepler believed in astrology in the sense that he was convinced that astrological aspects physically and really affected humans as well as the weather on Earth.

He strove to unravel how and why that was the case and tried to put astrology on a surer footing, which resulted in the On the More Certain Fundamentals of Astrology (1601), in which, among other technical innovations, he was the first to propose a number of new aspects such as 18°, 24°, 30° (semisextile),36°, 45° (semi-square), 72° (quintile), 108°, 135° (sesquiquadrate), 144° (bi-quintile),and 150° (quincunx).

In The Intervening Third Man, or a warning to theologians, physicians and philosophers (1610), posing as a third man between the two extreme positions for and against astrology, Kepler advocated that a definite relationship between heavenly phenomena and earthly events could be established.

At least 800 horoscopes and natal charts drawn up by Kepler are still extant, several of himself and his family, accompanied by some unflattering remarks. As part of his duties as district mathematician to Graz, Kepler issued a prognostication for 1595 in which he forecasts peasant uprising, Turkish invasion and bitter cold, all of which happened and brought him renown.

Kepler is known to have compiled prognostications for 1595 to 1606, and from 1617 to 1624. As court mathematician, Kepler explained to Rudolf II the horoscopes of the Emperor Augustus and the Prophet Muhammad, and Kepler gave astrological prognosis for the outcome of a war between the Republic of Venice and Paul V. In the On the new star (1606) Kepler explicated the meaning of the new star of 1604 as the conversion of America, downfall of Islam and return of Christ. The De cometis libelli tres (1619) is also replete with astrological predictions.

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