AL BIRUNI’S MEASUREMENT ON THE EARTH


Introduction  Abu Rayhan (Muhammad ibn Ahmad) al-Biruni was born in Kath, capital of Khwarezm (the region of the Amu Darya delta), in modern Khiva, on 973 Sept 5 (362-12-03 AH), and died in Ghazni, Khorasan, on 1048 Dec 13 (440-07-04 AH). [1] He was a well-travelled Persian sage who spoke fluent Persian, Arabic, Turkish, Sanskrit,…