1. Muslims - Past and Present
... it in the Islamic world to calculate Qibla and find times for prayers. They discovered new stars and concentrated on the motions of planets. Muslims used stars to know the directions. In addition, Al-Biruni, who was one of the famous scholars which Islamic civilization has ever known, discovered magnitude of the earth's circumference. Moreover, Al-Khwarizmi performed detailed calculations of ... ...
- Word Count: 989
- Approx Pages: 4
- Grade Level: High School