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Notes on the Transmission of Ptolemy's Almagest and Some Geometrical Mechanisms to the Era of Copernicus
(National Astronomical Research Institute of Thailand, 2019-05)
We trace the transmission of Ptolemy´s Almagest from the time of its composition to Arabic translations, Latin translations, and the Epitome of the Almagest by Peurbach and Regiomontanus. Along the way, Ptolemaic astronomy ...
Tables of Synodic Events from -800 to 1650 Using Modern and Almagest Models
(New York University, 2019-02)
This article describes and makes available computed data for the major synodic events for the inner (Mercury, Venus) and outer (Mars, Jupiter, Saturn) planets for the time period -800 to 1650.
Adjusting Venus: The Use of Maximum Elongations in the Almagest and Ptolemy’s Theory of Knowledge
(Taylor & Francis, 2017-04)
There has been much debate surrounding the way in which Ptolemy handled the observations that are behind his planetary models. This article aims at presenting an interesting case of manipulation of observational data within ...
Heraclides of Pontus on the Solar Anomaly
(Brepols Publishers, 2017-01)
All scholars agree that Heraclides of Pontus affirmed the daily rotation of the Earth on its own axis. Almost all scholars also agree that he did not affirm the rotation of the Earth around the Sun. Nevertheless, there is ...
La traducción colaborativa como práctica de escritura y modelo conceptual en el escritorio AlfonsíCollaborative Translation as Conceptual Model in Alfonso X’s Scriptorium
(Universidad Nacional de Cuyo. Facultad de Filosofía y Letras, 2020-11)
El tratado de astronomía y astrología conocido como el Libro de la ochava esfera (1276) es producto del trabajo conjunto de traductores y expertos reunidos en el taller del Rey Alfonso X, e Sabio. El mismo consiste, ...
El sistema de epiciclos y deferentes de Ptolomeo : una reconstrucciónThe Ptolemy epicycle and deferent system : a reconstruction
(Universidad Nacional de QuilmesUniversidad Nacional de Tres de Febrero, 2015-10-01)
En este trabajo se ofrece una primera versión de una reconstrucción estructuralista de la teoría de epiciclos y deferentes propuesta por Claudio Ptolomeo en el Almagesto para explicar el movimiento planetario, con especial ...
A Possible Date for Ptolemy’s Development of a Model for the Second Lunar Anomaly
(SAGE Publications, 2019-11)
Ptolemy explicitly claims in the Almagest to have made 36 observations. For most of them, the date of the observation is determined by the kind of phenomenon observed, for example, the observation of a lunar eclipse or of ...
Ptolemaic Planetary Models and Kepler´s Laws
(Springer, 2019-01)
In this article, we aim at presenting a thorough and comprehensive explanation of the mathematical and theoretical relation between all the aspects of Ptolemaic planetary models and their counterparts which are built ...
Orígenes de la trigonometría griega: la composición de la tabla de cuerdas de PtolomeoOrigins of greek trigonometry: the composition of Ptolemy’s table of chords
(Universidad Nacional de Córdoba. Facultad de Filosofía y Humanidades, 2021-10)
El artículo explica detalladamente los algoritmos propuestos por Ptolomeo en su Almagesto para la composición de la tabla de cuerdas. Esta tabla es la más antigua tabla trigonométrica que ha llegado hasta nosotros.