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Libros Libros 21 a 30 de 170 sobre em to be, now, almost as useful as almanacs. Read what it says about the seasons,...
" em to be, now, almost as useful as almanacs. Read what it says about the seasons, child." " It says, sir, that the changes in the seasons are owing to ' the inclination of the earth's axis to the plane of its orbit. "
The Sea Lions: Or, the Lost Sealers - Página 212
de James Fenimore Cooper - 1854 - 339 páginas
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A System of Geography, Popular and Scientific: Or A Physical ..., Volumen 1

James Bell - 1832
...sun towards the north and south alternately, is produced also by the earth's annual revolution, and the inclination of the earth's axis to the plane of its orbit, — the axis continuing parallel to itself, or nearly so, during the whole revolution. As this last...
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Essay on the application of abstract reasoning to the Christian doctrines

Isaac Taylor - 1832 - 163 páginas
...respiratory functions of the vegetable system. Again, the alternation of the seasons, resulting from the inclination of the earth's axis to the plane of its orbit, is the very basis of vegetable life. The one system of contrivances supposes the existence of the other,...
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A Compendium of Astronomy: Intended to Simplify and Illustrate the ...

John Vose - 1834 - 184 páginas
...true form of the Earth's orbit ? Who first assigned to the orbit its true elliptical figure ? What is the inclination of the Earth's axis to the plane of its orbit ? To what are we indebted for the inequality of the days and nights, and the variety of the seasons...
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Elements of Astronomy, Descriptive and Physical: In which the General ...

Hervey Wilbur - 1834 - 144 páginas
...this head of EQUATION OF TIME. This difference between equal and apparent time, depends, first upon the inclination of the Earth's axis to the plane of its orbit ; and secondly, upon the elliptical, or oval form of the Earth's orbit ; for being an ellipse, the...
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The Family Encyclopedia of Useful Knowledge and General Literature ...

John Lauris Blake - 1834 - 960 páginas
...two reasons for the différence between the sun and a well regulated clock. One of these reasons is the inclination of the earth's axis to the plane of its orbit. The oth.-r is the inequality of the earth's motion in its orbit. This orbit is an ellipse, and the...
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The Popular Encyclopedia: Being a General Dictionary of Arts, Sciences ...

Sir Daniel Keyte Sandford, Thomas Thomson, Allan Cunningham - 1841
...nights would be equal in all the parallels through the year ; but at the poles, there would be no night. Owing to the inclination of the earth's axis to the plane of its orbit (the ecliptic), the parallel of latitude in which the sun api>ears to move is continually changing...
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A Treatise on Astronomy

Mrs. L. H. Tyler - 1837 - 288 páginas
...Eccentricity of its Orbit — Slow Variation in the Obliquityof the Ecliptic. (187.) Having seen how the inclination of the earth's axis to the plane of its orbit, produces the various lengths of day and night, the student will easily perceive, how the same cause...
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Encyclopædia Americana: A Popular Dictionary of Arts, Sciences ..., Volumen 4

Francis Lieber, Edward Wigglesworth - 1838
...nights would be equal in all the parallels through the year; but at the poles, there would be no night. Owing to the inclination of the earth's axis to the plane of its orbit (the ecliptic), the parallel of latitude in which the sun appears to move is continually changing ;...
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First Book in Astronomy: Adapted to the Use of Common Schools ...

John Lauris Blake - 1838 - 120 páginas
...two reasons for the difference between the sun and a well regulated clock. One of these reasons is the inclination of the earth's axis to the plane of its orbit. The other is the inequality of the earth's motion in its orbit. This orbit is an ellipse, and the motion...
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Celestial Scenery: Or, The Wonders of the Planetary System Displayed ...

Thomas Dick - 1838 - 422 páginas
...Messrs. Jones, Holborn, London, which conveys a pretty clear idea of the motions and phases of the moon, the inclination of the earth's axis to the plane of its orbit, and the changes of the seasons. It may be procured at different prices, from 12. 8s. to <H. 1 4s. 6d.,...
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