Cosmology in medieval Islam empirical testing. His work thus marked a turning point in astronomy, which may be considered a "Scientific Revolution before the Renaissance". His rectified model was later adapted into a heliocentric model by Copernicus, which was mathematically achieved by reversing the direction of the last vector connecting the Earth to the Sun. In the published version of his masterwork, "De revolutionibus orbium coelestium", Copernicus also cites the theories of al-Battani and Averroes as influences. An area of active discussion in the Maragheh school, and later the Samarkand and Istanbul observatories, was the possibility of the Earth's rotation. Supporters of this theory
Entertainment in the 16th century Entertainment in the 16th century British Entertainment in the 16th century included art, fencing, painting, the stocks and even executions. While the 16th century and early 17th century squarely fall into the Renaissance period in Europe, that period was not only one of scientific and cultural advance, but also involved the development of changing forms of entertainment – both for the masses and for the elite. Despite the great breadth of advancements in the arts during this time, the economic conditions of this period affected the types of entertainment available. There were three classes in society: A wealthy nobility, a