 | Alfred Ely Beach - 1873 - 620 pages
...it. Hence, the observations of the solar spectrum appear to me to prove the presence of iron-vapor in the solar atmosphere with as great a degree of...we can attain in any question of natural science. It was in 1860 that he published his memoir on the relation between the emissive and absorptive powers... | |
 | Henry Enfield Roscoe, Carl Schorlemmer - 1879 - 590 pages
...possess, that snch vapours should be present in it Hence the observations of the solar spectrum appears to me to prove the presence of iron vapour in the...degree of certainty as we can attain in any question of physical science " (Kirehhoff). By observing the coincidences of these dark lines with the bright lines... | |
 | Edward Isidore Sears, David Allyn Gorton, Charles H. Woodman - 1880 - 1104 pages
...distinctly declares that" the observations of the solar spectrum appear to prove the presence of iron vapor in the solar atmosphere with as great a degree of certainty as can be attained in any question of natural science." * And the hypothesis has been advanced in high... | |
 | Henry Watts - 1883 - 1160 pages
...spectrum appear to me to prove the presence of iron-vapour in the solar atmosphere, with as great i degree of certainty as we can attain in any question of natural science." As soon as the existence in the solar atmosphere of one terrestrial element has been discovered, the... | |
 | John Thornton (M.A.) - 1890 - 372 pages
...possess, that such vapours should be present in it. Hence the observation of the solar spectrum appears to me to prove the presence of iron vapour in the...degree of certainty as we can attain in any question of physical science.' Fig. 67 shows two portions of the solar spectrum, one situated in the yellow, between... | |
 | Sir Henry Enfield Roscoe - 1893 - 714 pages
...with the bright lines of terrestrial metals, we arrive at a knowledge of the occurrence of such metals in the solar atmosphere with as great a degree of certainty as we are able to attain in any question of physical science. The metals hitherto detected in the sun's atmosphere... | |
 | Henry Enfield Roscoe, Carl Schorlemmer - 1907 - 1468 pages
...contain such a quantity of iron vapour as would produce the very distinct absorption-lines which we see in the solar spectrum ; and this supposition is rendered...degree of certainty as we can attain in any question of physical science" (Kirchhoff). By observing the coincidences of these dark lines with the bright lines... | |
 | Henry Enfield Roscoe, Carl Schorlemmer - 1907 - 1466 pages
...high temperature which we must suppose the sun's atmosphere to possess, that such vapours should bo present in it. Hence the observations of the solar...degree of certainty as we can attain in any question of physical science " (Kirchhoff). By observing the coincidences of these dark lines with the bright lines... | |
 | 1862 - 1550 pages
...conclusion is irresistible that there is iron in the sun's atmosphere. It is proved, as Kirchhoff says, “ with as great a degree of certainty as we can attain in any question of physical science.” In this calculation we have indeed supposed the dark solar lines to be placed... | |
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... these lines do not appreciably alter when the sun approaches the horizon. It does not, on the other hand, seem at all unlikely, owing to the high temperature which we must suppose the sun's atmosphere to possess, that such vapours should be present... 
