Foucalt's experiments that sunlight has 150 times the luminous intensity of the lime light ; so that we only require to calculate at what temperature this intensity is reached in order to get the solar temperature. This temperature is 16,000° C., in... Collected Papers of Sir James Dewar... - Page 53by Sir James Dewar - 1927Full view - About this book
| 1862 - 556 pages
...grounds, very strong reason for believing that the specific heat is really much less than 10,000. For it is almost certain that the sun's mean temperature is even now as high as 14,000° Cent. ; and the greatest quantity of heat that we can explain, with any probability, to have been by... | |
| Sir George Grove, David Masson, John Morley, Mowbray Morris - 1862 - 576 pages
...grounds, very strong reason for believing that the specific heat is really much less than 10,000. For it is almost certain that the sun's mean temperature is even now as high as 14,000° Cent. ; and the greatest quantity of heat that we can explain, with any probability, to have been by... | |
| Royal Society of Edinburgh - 1872 - 914 pages
...Fiseau and Foucalt's experiments that sunlight has 150 times the luminous intensity of the lime light ; so that we only require to calculate at what temperature...which the luminous intensity calculation agrees well. 4. On the Temperature of the Electric Spark. By James Dewar, Esq. (Abstract.) The author begins this... | |
| British Association for the Advancement of Science - 1873 - 900 pages
...Enormously high temperatures are not required, therefore, to produce great luminous intensities," ana the temperature of the sun need not, at least, exceed...the sun's mean temperature is even now as high as 14000° C. ; " and this is the estimate with which the luminous intensity calculation agrees well.... | |
| 1874 - 840 pages
...sun does not nt least exceed the above estimate. Mr. Dewar cites the opinion of Sir Wm. Thomson, who says: "It is almost certain that the sun's mean temperature is even now as high as 14,000° C.," an estimate which agrees well with the luminous intensity calculated. Spectrum of the Sun. — In a... | |
| 1874 - 834 pages
...does not at least exceed the above estimate. Mr. Dewar cites the opinion of Sir Wm. Thomson, who soys: "It is almost certain that the sun's mean temperature is even now as high as 14,000° C.," nn estimate which agrees well with the luminous intensity calculated. Spectrum of the Sun.—In a paper... | |
| William Thomson Baron Kelvin, Peter Guthrie Tait - 1883 - 564 pages
...grounds, very strong reason for believing that the specific heat is really much less than 10,000. For it is almost certain that the sun's mean temperature* is even now as high as 14,000° * [Kosetti (Phil. Mag. 1879, 2nd half year) estimates the effective radiational temperature of the... | |
| William Thomson Baron Kelvin - 1889 - 486 pages
...grounds, very strong reason for believing that the specific heat is really much less than 10,000. For it is almost certain that the sun's mean temperature is even now as high as 14,000° Cent. ; and the greatest quantity of heat that we can explain, with any probability, to have been by... | |
| 1900 - 600 pages
...grounds, very strong reason for believing that the specific heat is really much less than 10,000. For it is almost certain that the sun's mean temperature is even now as high as 14,000° C.; and the greatest quantity of heat that we can explain, with any probability, to have been by natural causes... | |
| 1908 - 754 pages
...hotter than the whitehot molten metal in a Bessemer converter. Lord Kelvin [Ib., p. 367] thinks " it almost certain that the sun's mean temperature is, even now, as high as 14,000° Centigrade!" No wonder that the source of so vast a supply of heat should be the scene of gigantic... | |
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