What were some Muslim contributions in medicine mathematics. and astronomy?

Muslim scholars made significant contributions to medicine, mathematics, and astronomy during the Golden Age of Islam. In medicine, figures like Avicenna (Ibn Sina) wrote influential texts such as "The Canon of Medicine," which systematically organized medical knowledge and introduced concepts like the scientific method in clinical practice. In mathematics, they advanced algebra and introduced the concept of zero, with scholars like Al-Khwarizmi laying the groundwork for modern arithmetic. In astronomy, Muslim astronomers improved the astrolabe, developed accurate star catalogs, and built observatories, enhancing the study of celestial movements and laying the foundation for future astronomical discoveries.