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23 abr 190 año aC - Hipparchus

Descripción:

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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World History

ByIsaiah
7 ene 2019
1
0
1435

fecha:

23 abr 190 año aC
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~ 2217 years ago
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