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1 янв 140 г. - Ptolemy: Geocentric; introducing deferents and epicycles to describe Retrograde motion with 80 circles; failed to predict Mars' motion.
Добавлено на ленту времени:
7 ноя 2019
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Astronomy History
Дата:
1 янв 140 г.
Сейчас
~ 1885 г назад