What is another word for armillary sphere?
Pronunciation: [ˈɑːmɪləɹi sfˈi͡ə] (IPA) 
The armillary sphere is a fascinating astronomical instrument that has been used for centuries to map the heavens. Synonyms for this unique device include celestial sphere, celestial globe, and astrolabe. Other terms used to describe this complex tool include star map, sky chart, and sky globe. The armillary sphere has been used by ancient astronomers to track the movements of the planets and the stars. Today, it remains an important tool in the study of astronomy and is a popular decorative piece for collectors. No matter what you call it, the armillary sphere is an impressive piece of scientific equipment that has stood the test of time.
