caliph mamam build an observatory at?
Answers
Answer:
The first observatory to be built in the history of Islamic civilization was Shammasiyyah Observatory in Baghdad. It was built at the command of Caliph al-Ma'mun and began operations in the year 828 AD (Ibn Sa'id, 1912).
Answer:
The ideal locations for modern observatories are sites that have dark skies, a large percentage of clear nights per year, dry air, and are at high elevations. At high elevations, the Earth's atmosphere is thinner, thereby minimizing the effects of atmospheric turbulence and resulting in better astronomical "seeing".
Al-Ma'mun's relations with the Byzantines are marked by his efforts in the translation of Greek philosophy and science. ... He sent an emissary to the Byzantine Empire to collect the most famous manuscripts there, and had them translated into Arabic.
The leader of a caliphate is called the caliph, meaning deputy or representative. All caliphs are believed to be the successor to Prophet Muhammad. Muhammad was not a caliph; according to the Quran he was the last and greatest of the prophets. ... Abu Bakr was the first caliph and Ali the fourth.