Descriptive Astronomy An Elementary Exposition of the Facts Principles And Th
Descriptive Astronomy An Elementary Exposition of the Facts Principles And Th
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It is a matter of common ob- servation that there is a greater lag to Be ortEarfh ? a c Or n bit icit the seasons in low altitudes, especially where the atmosphere is moist, than there is on the high and dry plateaus.
Effect of the Eccentricity of the Earth's Orbit upon the Seasons. In the discussion up to this point it has been assumed tacitly that the orbit of the earth around the sun is a circle. As explained above, it is an ellipse and the earth is about three per cent nearer at the point n...earest the sun than it is when most remote. Consequently, the amount of light and heat received depends to some extent upon the varying distance of the earth from the sun. It should be said, however, that this is not so important a cause as that discussed above. There is a very interesting indirect result of the eccentricity of the earth's orbit, viz, that the seasons in the northern and southern hemispheres are not of equal length. In Fig. 28, V represents the position of the earth when the sun is at the vernal equinox, and A its position when the sun is at the autumnal equinox.
What to read after Descriptive Astronomy An Elementary Exposition of the Facts Principles And Th?
You can find similar books in the "Read Also" column, or choose other free books by Forest Ray Moulton to read onlineMoreLess
To quickly assess the difficulty of the text, read a short excerpt:
It is a matter of common ob- servation that there is a greater lag to Be ortEarfh ? a c Or n bit icit the seasons in low altitudes, especially where the atmosphere is moist, than there is on the high and dry plateaus.
Effect of the Eccentricity of the Earth's Orbit upon the Seasons. In the discussion up to this point it has been assumed tacitly that the orbit of the earth around the sun is a circle. As explained above, it is an ellipse and the earth is about three per cent nearer at the point n...earest the sun than it is when most remote. Consequently, the amount of light and heat received depends to some extent upon the varying distance of the earth from the sun. It should be said, however, that this is not so important a cause as that discussed above. There is a very interesting indirect result of the eccentricity of the earth's orbit, viz, that the seasons in the northern and southern hemispheres are not of equal length. In Fig. 28, V represents the position of the earth when the sun is at the vernal equinox, and A its position when the sun is at the autumnal equinox.
What to read after Descriptive Astronomy An Elementary Exposition of the Facts Principles And Th?
You can find similar books in the "Read Also" column, or choose other free books by Forest Ray Moulton to read onlineMoreLess
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