 | John Young - Physical geography - 1873 - 394 pages
...extreme eccentricity of the orbit than when it is move nearly circular. The obliquity of the ecliptic, or the inclination of the earth's axis to the plane of its orbit, varies as has been said : at its maximum the polar regions would receive T^ more of heat than they... | |
 | Harvard University - 1874 - 668 pages
...(Gray's Botanical Text-book). Three hours a week. 9 Seniors, 1 Junior. NATURAL HISTORY 1. 1. What is the inclination of the earth's axis to the plane of its orbit? If the inclination should become the same as that of Venus, what changes would lie produced in the... | |
 | Philotus Dean - Arithmetic - 1874 - 472 pages
...must in some cases turn farther eastward to overtake the Sun than in others; and, secondly, because of the inclination of the Earth's axis to the plane of its orbit. A mean solar day is the average length of all the solar days of the year. Of course, mean solar days... | |
 | Hugo Reid - 1874 - 276 pages
...year from two causes : — 1. The inequality in the rate of the earth's motion round the sun ; — 2. The inclination of the earth's axis to the plane of its orbit. 307. As the earth does not always move at the same rate round the sun, it will, at different times,... | |
 | Edward Isidore Sears - 1874 - 434 pages
...independent of the direct calorific power of the solar rays, which modify climates, we may mention the inclination of the earth's axis to the plane of its orbit. This arrangement in nature gives rise to summer and winter, spring and autumn, in the temperate zones.... | |
 | Iowa. General Assembly - Iowa - 1874 - 1166 pages
...length? If they differ in length, where are they shortest, and why 1 2. What is the ecliptic ? 3. What is the inclination of the earth's axis to the plane of its orbit? 4. What are the different forms of government ? 5. What produces the changes of season, and why are... | |
 | Education - 1878 - 446 pages
...flattened at the poles ? 3. How much greater is the diameter at the equator than at the poles ? 4. What is the inclination of the earth's axis to the plane of its orbit ? 5. Why are the zones given their respective widths? 6. What is longitude ? 7. What is the greatest... | |
 | Jonathan Edwards - Free will and determinism - 1877 - 602 pages
...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,... | |
 | Ralph Stockman Tarr - Geography - 1901 - 422 pages
...of its Axis. — This fact of the unchanging inclination of its Earth's Axis FIG. 10. To illustrate the inclination of the earth's axis to the plane of its orbit. axis, as the earth revolves about the sun, may seem a small thing in itself ; but it is really of such... | |
 | Ralph Stockman Tarr, Frank Morton McMurry - Europe - 1904 - 676 pages
...Inclination of its Axis. — This fact of the unchanging inclination of its Fio. 10. To illustrate the inclination of the earth's axis to the plane of its orbit. axis, as the earth revolves about the sun, may seem a small thing in itself ; but it is really of such... | |
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evidence of things not seen," in the fulness of Divine grace ; and was profound on this, the greatest concern of human life, while unable even to comprehend how the " inclination of the earth's axis to the plane of its orbit" could be the cause of the... 
