Al-Idrisi was born into the large Hammudid family of North Africa and Al-Andalus, which claimed descent from the Idrisids of Morocco and ultimately the prophet Muhammad.Al-Idrisi was born in the city ...
By 999, Norman adventurers had arrived in southern Italy. By 1016, they were involved in the complex local politics where Lombards were fighting against the Byzantine Empire. These mercenaries fought ...
The House of Normandy is the usual designation for the family that were the Dukes of Normandy and Kings of England which immediately followed the Norman conquest of England and lasted until the House ...
Palazzo dei Normanni, one of the most beautiful Italian palaces and a notable example of Norman architecture, probably built over an Arab fortress. It houses the famous Cappella Palatina.Zisa (1160) a ...
Main article: History of PalermoAncient era Mesolithic cave art at Addaura.Evidence for human settlement in the area now known as Palermo goes back at least to the Mesolithic period, perhaps around 80 ...
In geometric geodesy, two standard problems exist:First (direct) geodetic problem Given a point (in terms of its coordinates) and the direction (azimuth) and distance from that point to a second point ...
Geodesy — from the Greek word γεωδαισ?α or geodaisia (literally, "division of the Earth") — is primarily concerned with positioning within the temporally varying gravity field. Somewhat obs ...
The legendary religious zeal of the Normans was exercised in religious wars long before the First Crusade carved out a Norman principality in Antioch. They were major foreign participants in the Recon ...
The English name "Normans" comes from the French words Normans/Normanz, plural of Normant, modern French normand, which is itself borrowed from Old Low Franconian Nortmann "Northman" or directly from ...
A valley in its broadest geographic sense is also known as a dale. A valley through which a river runs may also be referred to as a vale. A small, secluded, and often wooded valley is known as a dell ...
Main article: South AsiaThe region has been variously labelled as India (in its pre-modern sense), Greater India, the Indian Subcontinent and South Asia. "Indian Subcontinent" is a term adopted and us ...
The term Middle East has been criticized as implicitly Eurocentric. In contemporary English-language academic and media venues, the term is used by both Europeans and non-Europeans.The description Mid ...
Towns and cities have a long history, although opinions vary on whether any particular ancient settlement can be considered a city. A city formed as central places of trade for the benefit of the memb ...
Ninety-five of 146 books known to have been written by Bīrūnī, were devoted to astronomy, mathematics, and related subjects like math?ematical geography.Biruni's major work on astrology is primari ...
In astronomy, the book proposed the theory that Venus is closer to Earth than the Sun.Chemistry Ibn Sina's theory on the formation of metals combined Jābir ibn Hayyān's sulfur-mercury theory from Is ...
