 | Samuel Pierpont Langley - 1884 - 344 pages
...opportunity elsewhere of enlarging upon the present remarks. I will at present only repeat that I consider that the temperature of the earth under direct sunshine,...probably fall to — 200° C. if that atmosphere did not possess the quality of selective absorption. times that of Sirius. Accordingly, a li|jht greater... | |
 | 1885 - 500 pages
...receive from celestial bodies other than the Sun is practically nil. Finally, Prof. Langley concludes that the temperature of the earth under direct sunshine,...probably fall to — 200° C. if that atmosphere did not possess the quality of selective absorption. To this catalogue of results it may be added that... | |
 | 1885 - 478 pages
...receive from celestial bodies other than the Sun is practically nil. Finally, Prof. Langley concludes that the temperature of the earth under direct sunshine,...our atmosphere were present as now, would probably i'all to — 200° C. if that atmosphere did not possess the quality of selective absorption. To this... | |
 | Smithsonian Institution. Board of Regents - 1886 - 1046 pages
...from celestial bodies, other than the sun, is practically nil. Finally, Professor Langley concludes that the temperature of the earth under direct sunshine,...would probably fall to 200° C. if that atmosphere did not possess the quality of selective absorption. To this catalogue of results may be added that the... | |
 | 1896 - 582 pages
...the glass of a hothouse, because it lets through the light rays ot the sun but retains the dark rays from the ground. This idea was elaborated by Pouillet...were present as now, would probably fall to —200° 0., if that atmosphere did not possess the quality of selective * Extract from a paper presented to... | |
 | Smithsonian Institution. Board of Regents - 1886 - 1028 pages
...from celestial bodies, other than the sun, is practically nil. Finally, Professor Laugley concludes that the temperature of the earth under direct sunshine,...would probably fall to 200° C. if that atmosphere did not possess the quality of selective absorption. To this catalogue of results may be added that the... | |
 | Smithsonian Institution. Board of Regents - 1910 - 940 pages
...preparation. The late Secretary Langley stated,0 as a result of his Mount Whitney observations : " I consider that the temperature of the earth under direct sunshine,...atmosphere were present as now, would probably fall 0 Report of the Mount Whitney Expedition, p. 123. 64 to — 200° C. if that atmosphere did not possess... | |
 | Smithsonian Institution. Board of Regents - 1886 - 1036 pages
...nil. Finally, Professor Laugley concludes that the temperature of the earth under direct snnshine, even though our atmosphere were present as now, would probably fall to 200° C. if that atmosphere did not possess the quality of selective absorption. To this catalogue of results may be added that the... | |
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Fourier3 maintained that the atmosphere acts like the glass of a hot-house, because it lets through the light rays of the sun but retains the dark rays from the ground. This idea was elaborated by Pouillet ; and Langley was by some of his researches led... 