| Israel Cook Russell - North America - 1904 - 488 pages
...Seasons. — Of primary importance to the inhabitants of North America is the fact that the climatic belts determined by the inclination of the earth's axis to the plane of the ecliptic are subject to annual migration towards the north and south. In the torrid zone the equatorial... | |
| Alexander Ziwet - Mechanics, Analytic - 1904 - 516 pages
...meridian, which is the true, or apparent, solar day, is not constant throughout the year, owing to the inclination of the earth's axis to the plane of its orbit and to the ellipticity of this orbit. The true solar day is thus not well adapted to serve as a unit... | |
| John Burroughs - 1904 - 290 pages
...world designed to bring about certain results, or do the results simply follow ? Shall we say that the inclination of the earth's axis to the plane of its orbit is in order that there may be a change of season ? or does the change of the season simply follow as... | |
| Ralph Stockman Tarr - 1905 - 430 pages
...of its Axis. — This fact of the unchanging inclination of its Etrth'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... | |
| Gilbert Haven Trafton - Geography - 1905 - 104 pages
...days. 2. On the same sheet, which is about 80 inches by 18 inches, construct a diagram to show (1) the inclination of the earth's axis to the plane of its orbit, (2) its perihelion and aphelion positions, and its position at the equinoxes and solstices. Two days.... | |
| Charles Alexander McMurry - Education - 1905 - 244 pages
...and Rocky Mountains. 22. Mathematical geography. Motions of the earth on its axis and around the sun. The inclination of the earth's axis to the plane of its orbit. Causes of the changing seasons and the changing length of the day and night. Long days in summer and... | |
| Matthew Fontaine Maury - Arkansas - 1906 - 246 pages
...it one-fourth the dis- P,ane of t* tart*; Orbit tance to the page and it will represent very nearly the inclination of the earth's axis to the plane of its orbit. Apparent Motion of the Sun. — The yearly revolution of the earth, Combined With the in- The thaded... | |
| Iowa. General Assembly - Iowa - 1907 - 1290 pages
...cultivate the sense of rhythm, (c) Give some devices for ear training. Geography. (Answer any five.) 1. If the inclination of the earth's axis to the plane of its orbit were 15° what would be the width of the Torrid zone? Of the Temperate zones? Of the Frigid zones?... | |
| William Morris Davis - Geography - 1909 - 800 pages
...her abundant store and teach them easily ; but a teacher who is puzzled as to the real meaning of " the inclination of the earth's axis to the plane of its orbit " has no power of selection, and her teaching is heavy. Unhappily there is many a teacher who is thus... | |
| Robert Wallace Stewart - Light - 1910 - 434 pages
...throughout the year. , , Another cause of variation which produces a similar effect to a smaller degree is the inclination of the earth's axis to the plane of its orbit round the sun. If, however, we take the average or mean value of this interval for a complete year,... | |
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