armillary sphere In A Sentence

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• Zhang provided a valuable description of his water-powered armillary sphere in the treatise of 125, stating:.
• This was placed over an armillary sphere.
• ANSWER : It's an armillary sphere, one of the oldest astronomical tools.
• A collection of circles such as is the armillary sphere, if each circle were fitted with a view-tube, might be considered a complete astrolabe.
• The armillary sphere is also featured in Portuguese heraldry, associated with the Portuguese discoveries during the Age of Exploration.
• This is why something that you ordinarily see in the form of the armillary sphere is exemplary.
• 1675 image of a Chinese astronomer with an elaborate armillary sphere.
• He developed an armillary sphere, on which were carved all the astronomical phenomena known time.
• Zhang astronomy han armillary sphere, syndrome -- is China's wind zhang han astronomers.
• Hipparchus made his measurements with an armillary sphere, and obtained the positions of at least 850 stars.
• The world's first water-powered celestial globe was created by Zhang Heng, who operated his armillary sphere by use of an inflow clepsydra clock ( see Zhang's article for more detail ).
• A summary is in Zhang Heng's article armillary sphere.
• Portugal's flag has a red and a green stripe, and at their meeting point is an armillary sphere positioned underneath the Portuguese shield.
• 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 four rings.
• A large iron armillary sphere stands in the center of the square, supported by six small metal turtles.
• The armillary sphere was granted by King Viseu as his personal badge when he was appointed heir of the Crown.
• The top of the spire is decorated with an armillary sphere and cross in metal.
• As a national symbol, the armillary sphere continued in use after the death of Manuel I.
• In another example, the universal ring dial is described as a miniature folding armillary sphere.
• The armillary sphere survives as useful for teaching, and may be described as a skeleton celestial globe, the series of rings representing the great circles of the heavens, and revolving on an axis wi
• He has been credited with inventing the gnomon, the square table, the abridged or simplified armilla, and a water powered armillary sphere called the Ling Long Yi.
• This armillary sphere was also described by Gerbert in a letter to his colleague Constantine.
• Liang was a palace scholar in Kaiyuan era, Tang Dynasty. He has invented the armillary sphere in cooperation with bonze Yixing. He was both a scholar and an artist.
• The observatory was fitted with an armillary sphere which is a model of the celestial sphere.
• The ancient Greeks and Chinese seem to have independently developed the armillary sphere.
• WHAT IS AN armillary sphere ? ( a).
• He fashioned first an armillary sphere.
• The flag of Portugal features an armillary sphere.