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Armillary sphere
01
sfera armillare, armilla
a model of the celestial sphere, historically used to depict and study the positions of celestial objects, consisting of a series of hoops representing important circles in the sky
Esempi
Today, modern replicas of armillary spheres serve as educational tools in astronomy classrooms and planetariums.
Oggi, le moderne repliche delle sfere armillari servono come strumenti educativi nelle aule di astronomia e nei planetari.
