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Show ! Sun's Heat. Popularly speaking, the heat of the sun is such that the total annual output out-put of all the earth's coal mines would serve to keep up the solar radiation for only one-forty-mllllonth part of a-second. a-second. If the earth was a solid mass of coal and could be supplied to the solar furnace it would last Just 36 hours. The same difficulty attends the attempt to mentally realize the amount of the Bolar heat that Is appropriated ap-propriated by our planet. Science has demonstrated that the amount of tho sun's heat caught by tho darth is only the 2,250-milllonth part. In other words, the heat of the sun Is sufficient suffi-cient to warm up 2,250,000,000 worlds the site of the one we aro living in. New York American. |