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  2. Jun 11, 2018 · One of the most important astronomers and mathematicians of this time in either the Eastern or the Western world was alBattani (c. 858–929), whose full name was Abu Abdallah Muhammad ibn Jabir ibn Sinan al–Raqqi al–Harrani al–Sabi alBattani.

  3. al-Battānī (born c. 858, in or near Haran, near Urfa, Syria—died 929, near Sāmarrāʾ, Iraq) was an Arab astronomer and mathematician who refined existing values for the length of the year and of the seasons, for the annual precession of the equinoxes, and for the inclination of the ecliptic.

    • The Editors of Encyclopaedia Britannica
  4. Abdallah Muhammad Ibn Jabir Ibn Sinan al-Battani al-Harrani was born around 858 C.E. in Harran. Battani was first educated by his father Jabir Ibn San’an al-Battani, who also was a well-known scientist. He then moved to Raqqa, situated on the bank of the Euphrates, where he received an advanced education and later on flourished as a scholar.

    • Astronomer & Math Genius. Al-Battani was a renowned astronomer and mathematician who made significant contributions to trigonometry. He was the first to accurately calculate the length of a year, and he also elaborated on a number of trigonometric relations that had been transmitted from India and Greco-Rome.
    • Al-Battani's precision in astronomy still referenced today. Al-Battani, an influential astronomer from the 9th century, is renowned for his groundbreaking work in astronomy.
    • Astronomy Trailblazer. Al-Battani was a renowned astronomer who made significant contributions to the field of astronomy. He was able to correct some of Ptolemy's results and compiled new tables of the Sun and Moon, which were long accepted as authoritative.
    • 9th c. Astronomer & Science Pioneer. Abu al-Abbas al-Battani, also known as Albategnius, was a 9th century Persian astronomer and mathematician whose work was instrumental in the development of science and astronomy.
  5. Al-Battani is one of the famous Muslim scholars of mathematics and planetary studies. He was born in the age known as the Golden Age of Islam.

  6. Oct 21, 2023 · What were al-Battani’s contributions to trigonometry? How did al-Battani’s observations differ from Ptolemy’s theory? What is the significance of al-Battani’s discovery of annular eclipses?

  7. Jul 31, 2023 · Born in 858 CE in the region of modern-day Turkey, Al-Battani, also known as Albategnius, was a renowned Arab astronomer, astrologer, and mathematician.

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