The Armillary Sphere in the center of Troup Square was ... considering the armillary was invented by the Ancient Greeks and Chinese thousands of years ago. An armillary is a device used to track ...

This reasoning also helps explain why the catalog uses a spherical coordinate system, which Chinese astronomers adopted after inventing the armillary sphere — a device consisting of interlocking ...

Certain historians look favorably on this later date because it aligns the catalog’s use of spherical coordinates more closely with the Chinese invention of the armillary sphere (a spherical ...

LJUBLJANA, Feb. 6 (Xinhua) -- A full-scale replica of the armillary sphere with rotating rings created by Augustin Ferdinand Hallerstein, or Liu Songling by his Chinese name, in the 18th century ...

This magnificent armillary sphere stands in the centre of the museum's top gallery. It was designed to show a model of the universe according the ancient astronomer, Claudius Ptolemy, with the ...