Phi is the 21st letter of the Greek alphabet. In the system of Greek numerals it has a value of 500 or 500,000. Phi is the symbol used for the Golden Ratio in mathematics,art and Architecture. The Greek alphabet has an important role in the nomenclature of astronomical bodies and subatomic particles | |
Lizenzart: | Lizenzfrei |
Credit: | Science Photo Library / Parker, David |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
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