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Contents
PAGE
CHAPTER III.
76-91 |
§ 55. | The slow development of astronomy during this period |
76 |
§ 56. | The East. The formation of an astronomical school at the court of the Caliphs : revival of astrology : translations from the Greek by Honein ben Ishak, Ishak ben Honein, Tabit ben Korra, and others |
76 |
§§ 57-8. | The Bagdad observatory. Measurement of the earth. Corrections of the astronomical data of the Greeks : trepidation |
78 |
§ 59. | Albategnius : discovery of the motion of the sun's apogee |
79 |
§ 60. | Abul Wafa : supposed discovery of the variation of the moon. Ibn Yunos : the Hakemite Tables |
79 |
§ 61. | Development of astronomy in the Mahometan dominions in Morocco and Spain : Arzachel : the Toletan Tables |
80 |
§ 62. | Nassir Eddin and his school : Ilkhanic Tables : more accurate value of precession |
81 |
§ 63. | Tartar astronomy : Ulugh Begh : his star catalogue |
82 |
§ 64. | Estimate of oriental astronomy of this period : Arabic numerals: survivals of Arabic names of stars and astronomical terms : nadir |
82 |
§ 65. | The West. General stagnation after the fall of the Roman Empire : Bede. Revival of learning at the court of Charlemagne : Alcuin |
83 |
§ 66. | Influence of Mahometan learning: Gerbert : translations from the Arabic : Plato of Tivoli, Athelard of Bath, Gherardo of Cremona. Alfonso X. and his school : the Alfonsine Tables and the Libros del Saber |
84 |
§ 67. | The schoolmen of the thirteenth century, Albertus Magnus, Cecco d'Ascoli, Roger Bacon. Sacrobosco's Sphaera Mundi |
85 |