The focus is on the position of Venus with respect to the Sun and the zodiacal constellations. This situation can be modelled with a simulation activity in a large outdoor area. ĭynamic "human" models of the pentagram of Venus These events repeat every nineteen months and the result is that in eight years the eastern elongation point will return close to the point where it started - only about two degrees less - making a pentagram on the zodiac. After an interval of 584 days (or nearly 19 months) later, greatest elongation east will take place again, this time almost seven constellations away. Take a particular point in a synodic revolution of Venus, for instance the greatest elongation east which places it in one zodiacal constellation. This happens because five periods of Venus take eight years (When we round Venus' synodic period to a whole number 584, we can calculate that 584x5=2920 days, 2920/365 = 8 years). It means that Venus, seen from the Earth, is in the same position with respect not only to the Sun, but also to the stars. After that period, Venus, the Sun, the Earth and the stars are again in the same relative positions. This is the diagram on the zodiac that Venus makes in eight years.
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