Ibn al-Shatir planetary model

E311987 UNEXPLORED

The Ibn al-Shatir planetary model is a 14th-century geocentric astronomical system that replaced Ptolemy’s equant with epicycles to more accurately predict planetary motions and anticipated key mathematical features of later heliocentric models.


Referenced by (2)
Subject (surface form when different) Predicate
Islamic astronomy ("Ibn al-Shatir's Nihayat al-Sul fi Tashih al-Usul")
hasKeyText
Islamic astronomy
introducedConcept

Please wait…