Abu-Mahmud Khujandi ابومحمود خجندی
Full Name: Abu Mahmud Hamid ibn al-Khidr al-Khujandi.
Arabic: ابومحمود خجندی
Origin: Khujand, now part of Tajikistan.
Born: 940 AD.
Died: 1,000AD.
Famous for: Astronomer and Mathematician
Contribution:
Constructed the first huge mural sextant in 994 AD
He determined the axial tilt to be 23°32’19” for the year 994 AD
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