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Title: Ibn al-Ha'im's Trepidation Model
Author: Comes, Mercè (Comes Maymó), 1949-2010
Keywords: Astronomia àrab
Astronomia antiga
Astronomia medieval
Arab astronomy
Ancient astronomy
Medieval astronomy
Issue Date: 2001
Publisher: Universitat de Barcelona
Abstract: The aim of trepidation models was to account for two phenomena that puzzled medieval astronomers: the secular decrease of the obliquity of the ecliptic, and the apparent changes in the velocity of precession over the years.
Note: Reproducció del document publicat a:
It is part of: Suhayl. Journal for the History of the Exact and Natural Sciences in Islam, 2001, vol. 2, p. 291-408
ISSN: 1576-9372
Appears in Collections:Articles publicats en revistes (Filologia Grega, Filologia Llatina, Filologia Romànica i Filologia Semítica)

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