23 апр 190 г. до нашей эры - Hipparchus
Описание:
Greek astronomer who created the earliest known chart of 850 stars' positions, invented trigonometry, longitude, and latitude, and developed precession of equinoxes. His studies of the universe were the foundation for Ptolemy's geocentric cosmology.
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23 апр 190 г. до нашей эры
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~ 2216 г назад