- Category: Visualisations
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The day was fundamental to how ancient astronomers could have had a full understanding of planetary dynamics seen from earth without our modern science. The day on earth is crucial to this capability for the way it simply relates to other time periods seen from the earth; a simplicity based upon number in which the day is a unity between numbers differing by just one unit. Such relationships are called super-particular (fractions) and the moon is the most strongly affected because it orbits the earth just as the sun also appears to, in a way that naturally generates differences of one. The Moon's daily motion provides a direct visualisation of this.