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Astronomies and Cultures in Early Medieval Europe
This book provides an overview of the astronomical practices that continued through the so-called "Dark Ages." Like the astronomies of traditional societies, early medieval astronomies established a religious framework of sacred time and ritual calender; here Christian feasts tied to a pre-Christian ritual solar calender, the date of Easter tied to the Hebrew lunar calender; and the timing of monastic prayers in terms of the course of the stars. Coupled with the remnants of ancient geometrical astronomy, these provided the framework for the rebirth of astronomy with the rise of the medieval universities.
Studies in Medieval Astronomy and Optics
In this selection of studies, J.L. Mancha explores aspects of the development of medieval optics and astronomy, including some medieval antecedents of the work of early modern astronomers. The articles deal with Latin, Hebrew and Arabic texts, and the process of translation and transmission of knowledge, and focus on three main themes: the theory and astronomical use of the pinhole camera in the 12th and 13th centuries; the characteristics of the Latin and Provençal versions of Levi ben Gerson's astronomical work; and different aspects of the survival of homocentric astronomy in the Middle Ages, especially al-Bitruji's model for trepidation and the technique for calculating the hippopede resulting from Eudoxan couples.
Planetary Diagrams for Roman Astronomy in Medieval Europe, Ca. 800-1500
Early medieval astronomy, esp. in the era of Charlemagne & his successors, consisted of texts that went far beyond the boundaries of computus, which modern scholars have long believed to be the only significant context for astronomical studies of that time. The texts contained innovative diagrams where no other sign of divergence from the text could be seen. Such diagrams were found to provide an indication of understandings of the texts -- which were different from those of modern scholars. Contents: Astronomy & Its Teaching in Carolingian Europe; Functions & Locations of Planetary Diagrams; Sources & Topics of Planetary Diagrams; Plinian Diagrams; Macrobian Diagrams; Calcidian Diagrams; & Capellan Diagrams. Illus. This is a print on demand publication.
On Both Sides of the Strait of Gibraltar
In On Both Sides of the Strait of Gibraltar Julio Samsó shows that astronomical sources, written in al-Andalus, the Maghrib and the Iberian Peninsula, belong to the same tradition and emphasizes the role of al-Andalus and the Iberian Peninsula in the transmission of Islamic astronomy to medieval Europe.
Reflections on Observational Astronomy in the Medieval Islamic Period
This volume presents comprehensive investigations into various facets of observational astronomy during the medieval Islamic period, spanning from the ninth to the seventeenth centuries. The articles compiled here, originally published between 2012 and 2018, have undergone significant revisions to enhance their accuracy and explore a broad spectrum of topics organized into five main sections. Reflections on Observational Astronomy in the Medieval Islamic Period begins with solar astronomy, providing a detailed evaluation of Islamic astronomers' determinations of fundamental solar parameters. In the realm of lunar astronomy, it examines the gradual endorsement and rationalization of annular s...
A Survey of European Astronomical Tables in the Late Middle Ages
This is a survey of the numerous astronomical tables compiled in the late Middle Ages, which represent a major intellectual enterprise. Such tables were often the best way available at the time for transmitting precise information to the reader.
Stars and Numbers
The studies brought together in this second collection of articles by Paul Kunitzsch continue the lines of research evident in his previous volume (The Arabs and the Stars). The Arabic materials discussed stem mostly from the early period of the development of Arabic-Islamic astronomy, up to about 1000AD, while the Latin materials belong to the first stage of Western contact with Arabic science at the end of the 10th century and to the peak of Arabic-Latin translation activity in Spain in the 12th century. The first set of articles focuses upon Ptolemy in the Arabic-Latin tradition, followed by further ones on Arabic astronomy and its reception in the West; the final group looks at details of the transmission of Euclid's Elements.
Astronomy and Astrology in the Medieval Islamic World
This collection of studies by Edward Kennedy looks first at questions of spherical astronomy, celestial mapping and planetary models, and then deals with astrological calculations. Throughout the author emphasises the importance of advances in mathematics for understanding the development of medieval Arabic sciences. This collection of studies based on previously unexploited manuscript sources in Arabic and Persian. They were written by authors from the 9th through the 15th centuries, whose locations reached from south China in the east through Central Asia, the Middle and Near East, and North Africa, to Spain in the west. The topics are predominately astronomical rather than astrological. The former include eclipse predictions, problems in spherical astronomy, non-ptolemaic planetary theory, and the achievements of Ulugh Beg and his observatory. Astrological subjects treated are the method of calculating the ascendant, and how to determine astrological houses and lots. An astrological history of the career of Genghis Khan is also described.
Scandalous Error
The Gregorian calendar reform of 1582, which provided the basis for the civil and Western ecclesiastical calendars still in use today, has often been seen as a triumph of early modern scientific culture or an expression of papal ambition in the wake of the Counter-Reformation. Much less attention has been paid to reform's intellectual roots in the European Middle Ages, when the reckoning of time by means of calendrical cycles was a topic of central importance to learned culture, as impressively documented by the survival of relevant texts and tables in thousands of manuscripts copied before 1500. For centuries prior to the Gregorian reform, astronomers, mathematicians, theologians, and even ...
