Al-Maʾmūn and His Astronomers

Learn more about al-Maʾmūn and his contributions to astronomy and science as well as his astronomers who followed him.
Al-Battānī and His Contributions

Discover al-Battānī and his contributions to science.
Samarqand Observatory

Learn more about the Samarqand Observatory and its instruments and discoveries, which led to major scientific development.
Maragha Observatory

Learn more about Maragha Observatory and its contributions to science from construction to the discoveries.
The Observers of the Middle Ages

Learn more about the Observers of the Middle Ages and the major scholars who helped grow scientific knowledge.
Hipparchus’ Contributions

Learn more about Hipparchus and his contributions to science through his major contributions.
Ptolemy’s Contributions

Discover Ptolemy’s contributions to science from his book about astronomical work, which is known as the Almagest and others.
The Observers of the Ancient Times

Learn more about the Observers of the Ancient Times and their contributions to astronomy and science.
The History of Indian Astronomy

Discovery the History of Indian Astronomy and the how they grew without major influence from Western scholars like Ptolemy.
The History of Calendars

Discover the History of Calendars and the different types that have been developed over the years of scientific development in different cultures.