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Βιβλία Βιβλία 1 - 10 από 16 για The HORIZON is a great circle which separates the visible half of the heavens from....
" The HORIZON is a great circle which separates the visible half of the heavens from the invisible ; the earth being considered as a point in the centre of the sphere of the fixed stars. "
An Introduction to the Theory and Practice of Plane and Spherical ... - Σελίδα 242
των Thomas Keith - 1810 - 420 σελίδες
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A New Treatise on the Use of the Globes, Or, A Philosophical View of the ...

Thomas Keith - 1811 - 346 σελίδες
...correspondent to the hours of the day ; and these are again subdivided into halves and quarters. 19. The HORIZON is a great circle which separates the...half of the heavens from the invisible. This horizon, when applied to the earth, is distinguished by the sensible and rational horizon. 2O. THE SENSIBLE,...

A New Treatise on the Use of the Globes: Or, A Philosophical View of the ...

Thomas Keith - 1819 - 352 σελίδες
...correspondent to the hours of the day ; and these are again subdivided into halves and quarters. 19. The HORIZON is a great circle which separates the...half of the heavens from the invisible. This horizon, when applied to the earth, ia distinguished by the sensible and rational horizon. 21. The RATIONAL,...

A New Treatise on the Use of the Globes: Or, A Philosophical View of the ...

Thomas Keith - 1826 - 334 σελίδες
...round the axis of the globe, and the brass meridian, in this case, answers the purpose of an index. 20. The HORIZON is a great circle which separates the visible half of the heavens from the invisible ; the earth being considered as a point in the centre of the sphere of the fixed stars. Horizon, when...

The New American Grammar of the Elements of Astronomy: On an Improved Plan ...

James Ryan - 1827 - 375 σελίδες
...show ? CHAPTER IV. Of the wooden horizon, and other appendages to the terrestrial globe. , • o 1 . The horizon is a great circle which separates the visible half of tne heavens from the invisible ; the earth being considered as a point in the centre of the sphere...

First steps to astronomy and geography

First steps - 1828
...sun's place, for it must be six signs distant. WILLIAM. What is the horizon ? MOTHER. That imaginary circle which separates the visible half of the heavens from the invisible, is called the horizon. The height of the sun, or of a star, above the Horizon, reckoning from the horizon...

Encyclopaedia Americana: A Popular Dictionary of Arts, Sciences ..., Τόμος 5

Francis Lieber, Edward Wigglesworth, Thomas Gamaliel Bradford - 1831
...to the hours of the day ; and these are again subdivided into halves and quarters. The horizon (qv) is a great circle, which separates the visible half of the heavens from the invisible ; the earth being considered as a point in the centre of the sphere of the fixed stars. Horizon, when...

Guys̕ Elements of Astronomy: And, An Abridgement of Keiths' New Treatise on ...

Joseph Guy - 1832 - 173 σελίδες
...round the axis of the globe, and the brass meridian, in this case, answers the purpose of an index. 20. The HORIZON is a great circle which separates the visible half of the heavens from the invisible ; the earth being considered as a point in the centre of the sphere of the fixed stars. Horizon, when...

A Practical System of Modern Geography, Or, A View of the Present State of ...

Jesse Olney - 1835 - 288 σελίδες
...small circle of brass, with an index or pointer, fixed to the north pole. Q. What is the Horizon? A. It is a great circle, which separates the visible half of the heavens from the invisible. Q. How is the horizon represented on the Artificial Globe? A. By the wooden circular frame on which...

Encyclopædia Americana: A Popular Dictionary of Arts, Sciences ..., Τόμος 5

Francis Lieber, Edward Wigglesworth - 1835
...to the hours of the day ; and these are again subdivided into halves and quarters. The horizon (qv) is a great circle, which separates the visible half of the heavens from the invisible ; the earth being considered as a point m the centre of the sphere of the fixed stars. Horizon, when...

Practical System of Modern Geography; Or, A View of the Present State of the ...

Jesse Olney - 1838 - 288 σελίδες
...another. The hour circle is a small circle of brass, with an index or pointer fixed to the north pole. The horizon Is a great circle which separates the visible half of the heavens from the invisible. The horizon is represented on tbe artificial globe by tbe wooden circular frame on which the globe...




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