* Astronomy

Artists reckon that the "Golden Ratio", also called the "Golden Section Phi" and nature's most astonishing number, is the ratio that controls the proportions of all beautiful objects.

It is said that a well-proportioned face must lie in what is called a "golden rectangle" of dimensions in the ratio of approximately 1 to 1.6. Not only living forms, but also works of art and buildings, including the splendid domes of Persia and the Athens Parthenon, are found to adhere to this rule. The ratio became even more pronounced during the European Renaissance, when Leonardo Da Vinci studied the physical proportions of man and portrayed them in his unfinished canvas of St Jerome along with other works such as the "Mona Lisa" and the "Vitruvian Man".

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