Tag: Al-zarqali

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Abu Ishaq Ibrahim Ibn Yahya Al-Zarqali

by Gunalan Nadarajan Published on: 7th August 2007

This short paper introduces a longer essay by Prof. Gunalan Nadarajan, Associate Dean of Research and Graduate Studies in the College of Arts and Architecture at Penn State University. The essay draws on the work…

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Abu Ishaq Ibrahim Ibn Yahya Al-Zarqali

by FSTC Published on: 18th July 2007

Al-Zarqali is an eminent Andalusian astronomer of the 11th century who was the foremost astronomer of his time. He excelled in different domains of theoretical and practical astronomy and left works that influenced greatly his…

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An overview of Muslim Astronomers

by Salah Zaimeche Published on: 26th December 2001

Al-Battani discovered the notions of trigonometrical ratios used today. Al-Biruni claimed the earth rotated around its own axis. Jabir Ibn Aflah made the first portable celestial sphere to measure and explain the movements of celestial…