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1 Jan 898 Jahr - Kitab az-Zij as-Sabi AL-BATTANI

Beschreibung:

refinement of astronomical table from careful reading of Ptolemy, pulling away from influence of Sassanid and Hindu astronomy. understanding of annual eclipses, calculation of the obliquity of earth, extremely accurate equinoxes

Zugefügt zum Band der Zeit:

History

ByWes Creasy
14 St. zuvor
0
0
605

Datum:

1 Jan 898 Jahr
Jetzt
~ 1128 years ago
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