 | Royal Society (Great Britain) - 1868 - 662 Seiten
...strongest lines only of their spectra which have succeeded in reaching the earth. Since these nebula; are bodies which have a sensible diameter, and in...probability present a continuous luminous surface, we cannot suppose that any lines have been extinguished by the effect of the distance of the objects... | |
 | Royal Society (Great Britain) - 1868 - 646 Seiten
...bodies which have a sensible diameter, and in all probability present a continuous luminous surface, we cannot suppose that any lines have been extinguished by the effect of the distance of the objects from us. If we had reason to believe that the other lines which present themselves in the... | |
 | Royal Society (Great Britain) - 1868 - 654 Seiten
...strongest lines only of their spectra which have succeeded in reaching the earth. Since these nebulae are bodies which have a sensible diameter, and in...probability present a continuous luminous surface, we cannot suppose that any lines have been extinguished by the effect of the distance of the objects... | |
 | 1868 - 1022 Seiten
...strongest lines only of their spectra which have succeeded in reaching the earth. Since these nebulae are bodies which have a sensible diameter, and in...probability present a continuous luminous surface, we cannot suppose that any lines have been extinguished by the effect of the distance of the objects... | |
 | 1869 - 668 Seiten
...whieh, by reason of their greater intensity, have succeeded in reaching the earth. Since these nebula? are bodies which have a sensible diameter, and in...the effect of the distance of these objects from us. * Philosophical Transactions, 1863, p. 13. + "On the Spectra of the Chemical Elements," Philosophical... | |
 | 1869 - 826 Seiten
...spectra which have succeeded in reaching the earth. He supposes that, since the nebulœ are bodies that have a sensible diameter, and in all probability present a continuous luminous surface, no lines have been extinguished by tho effect of the distance of the objects from us ; and he suggests... | |
 | British Association for the Advancement of Science - 1869 - 858 Seiten
...succeeded in reaching the earth. At present we have no positive evidence on this point. Since these bodies have a sensible diameter, and in all probability present a continuous luminous surface, we can hardly suppose that any lines have been extinguished by the effect of the distance of the objects... | |
 | British Association for the Advancement of Science - 1869 - 862 Seiten
...succeeded in reaching the earth. At present we have no positive evidence on this point. Since these bodies have a sensible diameter, and in all probability present a continuous luminous surface, we can hardly suppose that any lines have been extinguished by the effect of the distance of the objects... | |
 | Sir Norman Lockyer - 1874 - 748 Seiten
...which, by reason of their greater intensity, have succeeded in reaching the earth. Since these nelnilic are bodies which have a sensible diameter, and in...lines have been extinguished by the effect of the iliM.mcc of these objects from us. " ' If we had evidence that the other lines which present themselves... | |
 | Sir Norman Lockyer - 1874 - 734 Seiten
...that it was ' obvious ' that the hydrogen spectrum would give similar results. Then, after stating ' we cannot suppose that any lines have been extinguished...effect of the distance of these objects from us,' he refers to the possibility of a 'power of extinction residing in cosmical space,' and the hypothesis... | |
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It is a question of much interest whether the few lines of the spectra of these nebulae represent the whole of the light emitted by these bodies, or whether these lines are the strongest lines only of their spectra which have succeeded in reaching the... 