Meaning Of The Word Armillary sphere

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Armillary sphere Meaning

Armillary sphere Definition
Armillary sphere Definition

What's The Definition Of Armillary sphere?

armillary sphere in American English
an ancient astronomical sighting instrument representing the great circles of the horizon, the ecliptic, the meridian, etc.
noun: an ancient instrument consisting of an arrangement of rings, all of which are circles of the same sphere, used to show the relative positions of the celestial equator, ecliptic, and other circles on the celestial sphere

armillary sphere in British English
noun: a model of the celestial sphere consisting of rings representing the relative positions of the celestial equator, ecliptic, etc, used by early astronomers for determining the positions of stars

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