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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.
This volume focuses on the development of astronomy in al-Andalus, Islamic Spain, relating it to the astronomical science of the Latin West. Both Islamic and European science survived the Latin astronomical tradition after the Arab conquest of 711 and then the influence of Arabic science in Christian Spain.
This volume of 12 studies, mainly published during the past 15 years, begins with an overview of the Islamic astronomy covering not only sophisticated mathematical astronomy and instrumentation but also simple folk astronomy, and the ways in which astronomy was used in the service of religion. It continues with discussions of the importance of Islamic instruments and scientific manuscript illustrations. Three studies deal with the regional schools that developed in Islamic astronomy, in this case, Egypt and the Maghrib. Another focuses on a curious astrological table for calculating the length of life of any individual. The notion of the world centred on the sacred Kaaba in Mecca inspired both astronomers and proponents of folk astronomy to propose methods for finding the qibla, or sacred direction towards the Kaaba; their activities are surveyed here. The interaction between the mathematical and folk traditions in astronomy is then illustrated by an 11th-century text on the qibla in Transoxania. The last three studies deal with an account of the geodetic measurements sponsored by the Caliph al-Ma'mûn in the 9th century; a world-map in the tradition of the 11th-century polymath al-Bîrûnî, alas corrupted by careless copying; and a table of geographical coordinates from 15th-century Egypt.
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.
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 chapters 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 solar eclipses, along with an exclusive historical account of predicting and observing such an event in 1283 CE. The section on planetary astronomy scrutinizes empirical discoveries that distinguish between the precession of equinoxes and the motion of apogees, as well as significant enhancements to Ptolemy’s parameters for planetary latitudes. Stellar astronomy is explored through a non-Ptolemaic star table that encompasses observations from ninth-century Baghdad to thirteenth-century Marāgha. The final section examines observational instruments, focusing on those constructed during the second period of activities at the Marāgha observatory. A critical analysis of astronomical observations conducted at the Marāgha and Istanbul observatories is a key focus of this work. This book will be invaluable to those interested in the historical progression of exact sciences; the scope, distinctive aspects, and caliber of experimental activities in medieval times; and the interplay between theory and observation throughout history. It is intended for historians, scientists (including astronomers and physicists), and particularly, historians of astronomy.
It was the astronomers and mathematicians of the Islamic world who provided the theories and concepts that paved the way from the geocentric theories of Claudius Ptolemy in the second century AD to the heliocentric breakthroughs of Nicholas Copernicus and Johannes Kepler in the sixteenth and seventeenth centuries. Algebra, the Arabic numeral system, and trigonometry: all these and more originated in the Muslim East and undergirded an increasingly accurate and sophisticated understanding of the movements of the Sun, Moon, and planets. This nontechnical overview of the Islamic advances in the heavenly sciences allows the general reader to appreciate (for the first time) the absolutely crucial role that Muslim scientists played in the overall development of astronomy and astrology in the Eurasian world.
The source material for the study of medieval oriental astronomy consists of Byzantine Greek, Sanscrit, Hebrew, Arabic, Persian, and Turkish astronomical and astrological manuscripts. If one desires to build up a detailed picture of Islamic astronomy, one can choose material from these available manuscripts. Of these manuscripts it is possible to isolate a group of works, the "zijes". A "zij" consists of the numerical tables and accompanying explanation sufficient to measure time and to compute planetary and stellar positions, appearance, and eclipses. This paper is a survey of the number, distribution, contents, and relations between "zijes" written in Arabic or Persian during the period from the 8th through the 15th centuries. Illustrations. Oversize.
An illuminating biography of Alfonso X, the 13th-century philosopher-king whose affinity for Islamic culture left an indelible mark on Western civilization "If I had been present at the Creation," the thirteenth-century Spanish philosopher-king Alfonso X is said to have stated, "Many faults in the universe would have been avoided." Known as El Sabio, "the Wise," Alfonso was renowned by friends and enemies alike for his sparkling intellect and extraordinary cultural achievements. In The Wise King, celebrated historian Simon R. Doubleday traces the story of the king's life and times, leading us deep into his emotional world and showing how his intense admiration for Spain's rich Islamic culture paved the way for the European Renaissance. In 1252, when Alfonso replaced his more militaristic father on the throne of Castile and Leóthe battle to reconquer Muslim territory on the Iberian Peninsula was raging fiercely. But even as he led his Christian soldiers onto the battlefield, Alfonso was seduced by the glories of Muslim Spain. His engagement with the Arabic-speaking culture of the South shaped his pursuit of astronomy, for which he was famed for centuries, and his profoundly humane vision of the world, which Dante, Petrarch, and later Italian humanists would inherit. A composer of lyric verses, and patron of works on board games, hunting, and the properties of stones, Alfonso is best known today for his Cantigas de Santa Marí/i> (Songs of Holy Mary), which offer a remarkable window onto his world. His ongoing struggles as a king and as a man were distilled-in art, music, literature, and architecture-into something sublime that speaks to us powerfully across the centuries. An intimate biography of the Spanish ruler in whom two cultures converged, The Wise King introduces readers to a Renaissance man before his time, whose creative energy in the face of personal turmoil and existential threats to his kingdom would transform the course of Western history.
The 12 articles of this volume show the many facets of contact in al-Andalus and Medieval Iberia, reminding us of how contact influenced art and learning in a wide range of fields: politics, science, philosophy, music and religion; offering views of how contact between societies affects both language, stereotype and assimilation; examining how war and conflict (re)define the representation of ideas, places and people; and demonstrating how representations changed over time through contact and conflict. Lessons of the past apply today as al-Andalus captures the modern imagination and cultures continue to come into contact across borders which either allow fluid diffusion of ideas or block passage.
A finalist for World Magazine's Book of the Year! Scholars, journalists, and even politicians uphold Muslim-ruled medieval Spain—"al-Andalus"—as a multicultural paradise, a place where Muslims, Christians, and Jews lived in harmony. There is only one problem with this widely accepted account: it is a myth. In this groundbreaking book, Northwestern University scholar Darío Fernández-Morera tells the full story of Islamic Spain. The Myth of the Andalusian Paradise shines light on hidden history by drawing on an abundance of primary sources that scholars have ignored, as well as archaeological evidence only recently unearthed. This supposed beacon of peaceful coexistence began, of course, with the Islamic Caliphate's conquest of Spain. Far from a land of religious tolerance, Islamic Spain was marked by religious and therefore cultural repression in all areas of life and the marginalization of Christians and other groups—all this in the service of social control by autocratic rulers and a class of religious authorities. The Myth of the Andalusian Paradise provides a desperately needed reassessment of medieval Spain. As professors, politicians, and pundits continue to celebrate Islamic Spain for its "multiculturalism" and "diversity," Fernández-Morera sets the historical record straight—showing that a politically useful myth is a myth nonetheless.