The geocentric epicycle model proposed that as a planet traveled around Earth in a circular orbit on a path called the deferent, it also traveled in a smaller circular orbit in the same direction, the epicycle, causing the planets orbit to appear like a spiral that backtracked on itself and at times seemed to pause altogether. As it is, it takes around 3 hours to run Saturn for 500π without multiplying the time by a constant. The planets beyond Saturn are too far out and orbit too slowly to present in this project. It was used to explain the variations in speed and direction of the five planets known at the time, which I present here. In ancient Greece, the theory of epicyclical motion was formalized. With all of that aside, retrograde motion is a bizarre visual phenomenon that puzzled ancient astronomers to no end, especially those who believed in a geocentric model of the solar system. As a result, when Mercury is retrograde, communication tends to break down which can result in some (non-physics-realated) chaos. When a planet retrogrades, astrologically it is in a resting or sleeping state, and by extension, the activities it governs do not have their planet to govern them properly. One of the most well known astrological tropes these days is ‘Mercury in retrograde.’ The terminology here is wrong, Mercury is not ‘in’ retrograde, it is just retrograde. Mercury rules all types of communication, including listening, speaking, learning, reading, editing, researching, and negotiating. Because of this, each planet has a purpose or area of life with which it corresponds. Astrology is based in the saying “As above, so too below.” This means that there is a relationship between the movements of the planets and what happens on Earth. As much as astronomers hate to be mistakenly called astrologers, a little astrological mumbo-jumbo can’t hurt.
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