Answer:
Harmonia or harmony of the spheres.
Explanation:
Harmonia. The term applied to the order of the universe. Music was allied to astronomy through the notion of harmonia. Mathematical laws were the underpinnings of musical intervals and the movements of heavenly bodies alike. From Plato's time until the beginning of modern astronomy, philosophers believed in a "harmony of the spheres," unheard music created by the movement of planets and other heavenly bodies.
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ANSWER: B. Hellenistic
EXPLANATION: Byzantine Art and Architecture is also used to designate an artistic and architectural style which developed in the Byzantine Empire and was highly influenced by the Greek culture. It spread to Italy, Russia, and elsewhere. The art is generally rich and stylized like religious icons and the architecture is typified by many-domed, highly decorated churches.