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11th-century astronomers
11th-century Chinese astronomers
11th-century Indian astronomers
11th-century Iranian astronomers
Avicenna
Su Song
Ibn Yunus
Ibn al-Saffar
Kushyar ibn Labban
Shen Kuo
Hermann of Reichenau
Abū Rayḥān al-Bīrūnī
Alhazen
Ibn al-Samh
Michael Psellos
Said Al-Andalusi
Wei Pu
Byrhtferth
Petrus Alphonsi
Abu Nasr Mansur
Abū Ishāq Ibrāhīm al-Zarqālī
Ali ibn Khalaf
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