golden

With origin in the Latin word aureus, the term golden is used to qualify what is of gold or that is similar to this metal. The adjective is also used with reference to what Golden.

The use of concept it usually appears in poetic language. For example: "The sunset gave us a wonderful golden landscape", "Upon entering the senator's house, I was struck by a huge golden vase located next to the door", "The golden dress helped to highlight her silhouette and gave her an air of distinction".

As a noun, golden allows to allude to a gold coin that circulated in the Roman empire. The golden one was emitted between the 1st century BC and the 4th century AD C., having dimensions equal to those of the denarius. A golden, as for his value, was equal to twenty-five silver denarii.

The idea of golden number, on the other hand, appears in the field of math and in the field of astronomy. In the first case, it is a irrational number which is represented by the Greek letter fi.

The golden number (1.618033 ...) has no period and has infinite decimal places. It has various mathematical properties that make it special, as well as it is present in numerous geometric proportions of the nature.

Specifically, the golden number reflects a relationship between two line segments. Leonardo da Vinci resorted to this proportion to draw your famous Vitruvian man, for example.

Lastly, astronomers call the golden number the position of a specific year in the meto cycle, which is repeated every nineteen years and allows the coincidence of the cycles of the sun with the cycles of the Moon.