Theta is the eighth letter of the Greek alphabet,and in the system of Greek numerals it has a value of 9. The lower-case letter is used as a symbol in mathematics,geometry,meteorology and genetics. The Greek alphabet has an important role in the nomenclature of astronomical bodies and subatomic particles | |
Lizenzart: | Lizenzfrei |
Credit: | Science Photo Library / Parker, David |
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Eigentums-Rechte: | nicht erforderlich |
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