What was Nasir al Din Tusi famous for?
Al-Ṭūsī was a man of exceptionally wide erudition. He wrote approximately 150 books in Arabic and Persian and edited the definitive Arabic versions of the works of Euclid, Archimedes, Ptolemy, Autolycus, and Theodosius. He also made original contributions to mathematics and astronomy.
Where was Nasir al Din Tusi from?
Tous, IranNasir al-Din al-Tusi / Place of birthTus, also spelled as Tous or Toos, is an ancient city in Razavi Khorasan Province in Iran near Mashhad. To the ancient Greeks, it was known as Susia. It was also known as Tusa. Tus was divided into four cities, Tabran, Radakan, Noan and Teroid. Wikipedia
When was Tusi born?
February 24, 1201Nasir al-Din al-Tusi / Date of birth
Why is the Tusi couple important?
The Tusi couple is considered by historians of astronomy a key element of the Copernican heliocentric system. Historians showed that Persian astronomers of the 13th century from the Maragha school in southern Azerbaijan came very close to the discovery of the heliocentric Copernicus planetary system.
What did Nasir Al Din Al-Tusi invent?
For his planetary models, he invented a geometrical technique called a Tusi-couple, which generates linear motion from the sum of two circular motions.
What was Tusi theory?
According to his books, Al-Tusi begins his theory of evolution with the universe once consisting of equal and similar elements. For Tusi, internal contradictions began appearing, and as a result, some substances began developing faster and differently from other substances.
Who was Nadir al-Tusi?
Nasir al-Tusi was an Islamic astronomer and mathematician who joined the Mongols who conquered Baghdad. He made important contributions to astronomy and wrote many commentaries on Greek texts.
Who built Maragheh Observatory?
Maragheh Observatory was established by Nassireddin Tousi, an Iranian scientist and astronomer, in 1259. According to the book titled “The Rise and Fall of Islamic Science”, significant parts of the groundwork are preserved in ruins.
Why was the equant a problem?
The equant, however, broke with the main assumption of ancient astronomy because it separated the condition of uniform motion from that of constant distance from the centre. A planet viewed from the centre c of its orbit would appear to move sometimes faster, sometimes…
How did Ptolemy explain the change in the apparent size of the moon?
However, the paths of the Sun, Moon, and planets as observed from Earth are not circular. Ptolemy’s model explained this “imperfection” by postulating that the apparently irregular movements were a combination of several regular circular motions seen in perspective from a stationary Earth.
What was Muhammad ibn al Hasan’s achievement?
Referred to as “the father of modern optics”, he made significant contributions to the principles of optics and visual perception in particular. His most influential work is titled Kitāb al-Manāẓir (Arabic: كتاب المناظر, “Book of Optics”), written during 1011–1021, which survived in a Latin edition.
What did Nasir Al Din Al Tusi invent?