...ten and a half, and others in twentythree hours. As to the vicissitudes of the seasons — this is owing to the inclination of the earth's axis to the plane of its orbit. If the axis of the earth stood perpendicular to the plane of its orbit, there would be no variety in...

...of the moon is but an antipode of a cone of darkness projecting in space in an opposite direction. Owing to the inclination of the earth's axis to the plane of the ecliptic, there is an alternation of six months day and six months, night at the poles. If physical...

...one letter and it becomes " Park" — omit another and it is " Ark." Questions in January Number. — Owing to the inclination of the earth's axis to the plane of its orbit, the sun, during each year, shines perpendicularly on all places between the Tropic of Cancer and the...

...climate of that place, depend in great measure on the manner in which the sun shines on the place. Owing to the inclination of the earth's axis to the plane of its orbit, the sun shines on each successive day in a different manner on every place on the surface of the earth...

...to west, equidistant from the poles : it therefore intersects every meridian at right angles. 126. Owing to the inclination of the earth's axis to the plane of its orbit, certain portions of its surface are brought successively under the vertical rays of the sun, the limits...

...rotates is inclined to the plane of his orbit at an angle of 61° 18'. This quantity is very nearly equal to the inclination of the earth's axis to the plane of its orbit, and as the seasons depend in a measure upon this inclination, those of Mars are probably somewhat like...

...what it saya about the seasons, child." " It says, sir, that the changes in the seasons are owing 24 * to 'the inclination of the earth's axis to the plane of its orbit.' I do not exactly understand what that means, uncle.' "No, — it's not as clear as it might be. —...

...that the permanent temperature of the earth and the changes of the seasons depend on the degree of the inclination of the earth's axis to the plane of its orbit. The degree of this inclination bas varied so little — as astronomers show — that it could not potsibly...

...and confining the range of solar heat, vast as it might easily become, within such narrow bounds ; the inclination of the earth's axis to the plane of its orbit, so as to produce the agreeable vicissitudes of the seasons, and increase the varieties of animal and...

...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.' I do not exactly understand what that means, uncle." " No, — it's not as clear as it might be. The...