Mohammed ibn Abd al-Jalil al-Sijzi (c. 945 - c. 1020, also known as al-Sinjari and al-Sijazi; Persian: ابوسعید سجزی; Al-Sijzi is short for "Al-Sijistani")...

1334CE in eastern Iran. Little is known of the life of Masʽud ibn Muhammad al-Sijzi, only that he must have been working sometime before 1334CE. His only treatise...

Abū Sahl al-Qūhī and al-Sijzi who were in Baghdad at the time and others such as Abu Nasr Mansur, Abu-Mahmud Khojandi, Kushyar Gilani and al-Biruni. In...

Amir Hasan Ala Sijzi Dehlavi (Urdu: امیر حسن علا سجزی دہلوی; 1254  – 1337) was an Indian Muslim poet, scholar and Sufi living in the Delhi Sultanate....

Muhammad ibn Ahmad al-Biruni /ælbɪˈruːni/ (Persian: ابوریحان بیرونی; Arabic: أبو الريحان البيروني; 973 – after 1050), known as al-Biruni, was a Khwarazmian...

Abu Ya'qub Ishaq ibn Ahmad al-Sijistani (Arabic: أبو يعقوب إسحاق بن أحمد السجستاني) or al-Sijzi (السجزي), also known as Bandaneh (Persian: بندانه), was...

universe. Some accepted that the Earth rotates around its axis, such as Al-Sijzi, who invented an astrolabe based on a belief held by some of his contemporaries...

earth rotates around its axis, such as Abu Sa'id al-Sijzi (d. c. 1020). According to al-Biruni, al-Sijzi invented an astrolabe based on a belief held by...

heliocentric models were also proposed by the Persian astronomers Albumasar and Al-Sijzi. The Aristotelian model was accepted in the Western world for roughly two...

rotates around its axis. According to later astronomer al-Biruni, al-Sijzi invented an astrolabe called al-zūraqī based on a belief held by some of his contemporaries...