Thread: EDS Notes for CSS-2015--SCIENTISTS
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Old Thursday, March 06, 2014
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Q: 5
ABU ABDULLAH MUHAMMAD JABIR IBN AL-BATTANI
(858-929)
a) BIOGRAPHY
 Prominent scientist of Mathematics & Astronomy

b) WORKING FIELD
 Mathematics
 Astronomy

c) CONTRIBUTIONS
 He holds a great command in Trigonometry and established the relations between Sides and angles of a spherical triangle.
 He explained the phenomenon Equinoxes (the time when the sun crosses the equator thus equalizing the length of day with night).
 He prepared the Islamic lunar Calendar.
 He invented the scientific horizon of astronomy beyond the Greek’s metaphysics concepts.

d) HIS FAMOUS BOOKS
 Kitab Al Zig
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