WebApr 7, 2024 · The armillary sphere is a model of the celestial sphere born in ancient Greece. It is made up of graduated metal circles that connect the poles and represent the equator, ecliptic, meridians and parallels; at its center a sphere represents the Earth. It is used to solve various astronomical problems and to explain the movements of stars in … WebDefinition of Armillary Sphere. A skeleton sphere suggested by concentric rings which represent the relative positions of the celestial circles of the equator and the ecliptic …
What does armillary sphere mean? - Definitions.net
WebMar 16, 2024 · armillary sphere ( plural armillary spheres ) An instrument consisting of graduated metal circles used to represent the motions of celestial bodies around the … WebArmillary-sphere Sentence Examples. When several rings or circles were combined representing the great circles of the heavens, the instrument became an armillary sphere. Eratosthenes (276-196 B.C.) used most probably a solstitial armilla for measuring the obliquity of the ecliptic. Hipparchus (160-125 B.C.) probably used an armillary sphere of ... nab margin lending contact
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WebArmillary sphere definition: a model of the celestial sphere consisting of rings representing the relative positions... Meaning, pronunciation, translations and examples WebArmillary sphere. Armillary sphere. Presented by Chris Parkin – Secondary Education Officer. Inventory Number: ... The sphere is mounted at the celestial poles that define the axis of rotation, and its structure includes an equatorial ring and, parallel to this, two smaller rings representing the Tropics of Cancer and Capricorn to the north ... WebThe armillary sphere is an instrument that extends right back to the ancients, and was certainly in used by the second-century astronomer and mathematician Claudius Ptolemy, of Alexandria. ... The sphere is mounted at the celestial poles which define the axis of rotation, and its structure includes an equatorial ring and, parallel to this ... nabmarginlending.com.au