 | sir John Frederick W. Herschel (1st bart.) - 1833 - 500 pages
...of the earth's surface depends mainly, if not entirely, on its exposure to the sun's rays. Whenever the sun is above the horizon of any place, that place is receiving heat ; when below, parting with it, by the process called radiation ; and the whole quantities received and parted... | |
 | Sir John Frederick William Herschel - Astronomy - 1833 - 444 pages
...of the earth's surface depends mainly, if not entirely, on its exposure to the sun's rays. Whenever the sun is above the horizon of any place, that place is receiving heat ; when below, parting with it, by the process called radiation ; and the whole quantities received and parted... | |
 | Royal Geographical Society (Great Britain) - Geography - 1839 - 672 pages
...of the earth's surface depends mainly, if not entirely, on its exposure to the sun's rays. Whenever the sun is above the horizon of any place, that place is receiving heat; when below, parting with it, by the process called radiation; and the whole quantities received and parted... | |
 | Rosina Maria Zornlin - Physical geography - 1840 - 516 pages
...being great in proportion to the vertical direction in which they strike the earth. Whenever the »un is above the horizon of any place, that place is receiving heat; when below, parting with it, by the process called radiation. Whenever, therefore, the sun remains more... | |
 | John Frederick William Herschel - Astronomy - 1849 - 672 pages
...temperature of any part of the earth's surface depends mainly on its exposure to the sun's rays. Whenever the sun is above the horizon of any place, that place is receiving heat; when below, parting with it, by the process called radiation ; and the whole quantities received and parted... | |
 | Elijah Hinsdale Burritt - Astronomy - 1850 - 344 pages
...rays. Whenever the Son is ahove the horizon of any place, thai place is receiving heat ; when the Son is below the horizon it is parting with it, by a process which is called radiation. The qoantities of heat thos received and imparted in the coorse of the year, most balance each other at... | |
 | Horatio Nelson Robinson - Astronomy - 1850 - 370 pages
...surface eTemfperha" depends mainly, if not entirely, on its exposure to the sun's earth, rays. Whenever the sun is above the horizon of any place, that place is receiving heat ; when below, parting with it, by the process called radiation; and the whole quantities received and parted... | |
 | Frederick Overman - Building - 1851 - 452 pages
...earth, it would not be sufficient to supply the loss of twenty-four hours of the sun's rays. Whenever the sun is above the horizon of any place, that place is receiving heat ; when below, it parts with it by the process of radiation. Another source of heat is combustion ; a chemical... | |
 | Rosina Maria Zornlin - Geography - 1851 - 148 pages
...globe, the temperature of any part, being almost wholly dependent on its exposure to his rays. Whilst the sun is above the horizon of any place, that place is receiving heat; and "when the sun is below the horizon, it is parting with heat by the process called radiation, that... | |
 | Reading book - 1856 - 352 pages
...countries where snow is unknown, to the polar regions where there is ice all the year round. But so long as the sun is above the horizon of any place, that place...receiving heat ; when the sun is below the horizon, it is losing heat. Therefore, since in countries distant from the equator the days are longer in summer,... | |
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Now, the temperature of any part of the earth's surface depends mainly, if not entirely, on its exposure to the sun's rays. Whenever the sun is above the horizon of any place, that place is receiving heat ; when below, parting with it, by the process... 
