Muslim mathematicians in history
These mountains lie south of the travelers in the distance; but the latter do not reach the sea. In the margin, we find the following remark: This mountain is only connected to the moon, because in the early months of the moon the white color of the moon reaches it ; The white color is increased in the second night, the rays are still stronger in the third and fourth, the fifth is red, and the light is very intense, the sixth one is seen on it, In the seventh it is green and bright, the final result is that it shows colors every night until the middle of the month in the night of the full moon it is dyed like the tail of the peacock, and its light and its rays grow - after the experience of eye-witnesses.
There lies Nubia and al Habascha, as mentioned in the geography. Indeed, it is not correct, because this Barbary is not the Barbary that is in western Ifriqiyya region. If that [Barbary] was meant, then the length of [Sea of Oman] would be greater than what is agreed upon, which is farsakhs 5. Its width is farsakhs, of which or farsakhs 5 , according to two different opinions, is north of the equator and the rest is south of it.
The equator passes through most of this sea. This is the southern sea, which is connected to the eastern side of the Encompassing [Ocean], from which extends four gulfs into the middle of the inhabited region. The first is the Gulf of Barbary [al-Khalij al-Barbari], inasmuch as it borders Barbary [region], and this [gulf] is the nearest of them to the Maghrib.
Its length on the northern side is farsakhs, and its width at its base, and, as has been said, at its end is 35 farsakhs 5. P about the middle line of the first clime.
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It then passes across the Red Gulf and the towns of Abyssinia, Sudan and al-Nuba regions, such as Jarma, the capital of Abyssinia, Dunqula 21 , madinat al-Nuba, Ghana the gold mine of western Sudan region, then the Barbary region until it reaches the western Ocean. In some manuscripts is added Some of its regions are western Sudan and some provinces of Barbary and Yemen, and the regions of Abyssinia and al-Zanj, and Indian islands to the borders of China.
He then cuts the sea to Arabia and Yemen; he encounters what is south of the places of Yemen, such as San'a 8 , Zafar 2 , Hadramaut 9 , and Al Aden; Then he crosses the bosom of the green sea, goes through al Habasha, the Negroes, on it lies the city of Nubia and Isqutara Suqutraj - Socotra , and goes to al Magrib over the places the barbarian until he reaches the surrounding sea reached.
In the margin, we find the following remark: About the island of Zawa which is called the gold island, then by the south of the island of Sirandib, between the islands of Kalah 10 and Sribua 11 , through the Diwa 6 islands, on the north of the islands of the Zanj, and to the north of most of their country.
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After having crossed the border of their country through the desserts and steppe of the Negroes, to the north of the mountains of Komr, to the south of the Negroes of the Magrib till it reaches the all encircling sea called Muhit. The truth of the matter is that if one means by temperate a uniformity in the conditions, then there is no doubt that it is most so at the equator, as opposed to the fourth clime.
But if one means by it a balancing of the two [extreme] weather conditions, then there is no doubt that it is more so in the fourth clime, as opposed to the equator; this is indicated by the extreme blackness in color of its inhabitants among the peoples of Zanj and Abyssinia, the extreme frizziness of their hair, and other things that are brought about by the heat of the air.
The opposite of this among the people of the fourth clime indicates that the state of its air is more temperate. Zanzibar or Pemba.
Biography for 2nd graders: Qotb al-Din Mahmoud b. Zia al-Din Mas'ud b. Mosleh Shirazi (Persian: قطبالدینْ محمود بن ضیاءالدینْ مسعود بن مصلح شیرازی; –) was a 13th-century Persian [1] [2] polymath and poet who made contributions to astronomy, mathematics, medicine, physics, music theory, philosophy and Sufism. [3] [4].
Near Mogadishu, it turns sharply southwest, where it follows the coast. Below Mogadishu, the river becomes seasonal. Al Zuhri : Makes the people divert themselves the Nile into a branch to the sea of Yemen; In Dimashqi it is called the river of Damadim; and he is the only one who kind of understands the river-system in South-Somalia.
Social Sciences. World Events. Qutb al-Din al-Shirazi Born on Died on Muslim Heritage: Send us your e-mail address to be informed about our work. Discover the golden age of Muslim civilisation. He quit his medical profession ten years later and began to devote his time to further education under the guidance of Nasir al-Din al-Tusi.
He left Shiraz sometime after and was in Maragha about He discussed the difficulties he had with Nasir al-Din al-Tusi on understanding the first book of the Canon of Avicenna. While working in the new observatory, studied astronomy under him. One of the important scientific projects was the completion of the new astronomical table zij.
Subsequently, he traveled to Khorasan in the company of Nasir al-Din al-Tusi where he stayed to study under Najm al-Din Katebi Qazvini in the town of Jovayn and become his assistant.
In his letter to Qalawun, the Ilkhanid ruler mentions Qutb al-Din as the chief judge. Astronomy in medieval Islam. Babylonian astronomy Egyptian astronomy Hellenistic astronomy Indian astronomy. Byzantine science Chinese astronomy Medieval European science Indian astronomy. Yang Guangxian.
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Islamic philosophy. Philosophers by century AD. Medicine in the medieval Islamic world. Bukhtishu family Ja'far al-Sadiq. Psychology Ophthalmology. Ancient Greek medicine. Perso-Arab musicology.
Qutb al-din al-shirazi biography for kids
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