Hellenistic Astronomy
Hellenistic Astronomy refers to the astronomical observations, theories, and practices that were developed and studied in the Hellenistic period, which spanned from the death of Alexander the Great in 323 BCE to the establishment of the Roman Empire in 31 BCE. This period saw significant advancements in the field of astronomy, including the development of the geocentric model of the universe, the study of planetary motion, and the creation of star catalogs. Hellenistic astronomers such as Hipparchus and Claudius Ptolemy made groundbreaking contributions to the understanding of the cosmos during this time.