Tag: Samia-khan

Samia Kha

by Samia Khan Published on: 24th January 2020


The Armillary Sphere: A Concentrate of Knowledge in Islamic Astronomy

by Samia Khan Published on: 1st December 2007

The armillary sphere is an ancient astronomical instrument reproducing a model of the celestial sphere. In its simplest form, it was known since the antiquity. The article presents the principle of its drawing and use,…