 | Sir Norman Lockyer - 1871 - 662 pàgines
...though very nearly agreeing with them, is transmitted with comparatively no loss. 5. That Fraunhofer's double dark line D of solar and stellar spectra is due to the presence of vapour of sodium in atmosphei es surrounding the sun and those stars in whose spectra it had been observed. 6. That other... | |
 | Sir Norman Lockyer - 1871 - 546 pàgines
...though very nearly agreeing with them, is transmitted with comparatively no loss. 5. That Fraunhofer's double dark line D of solar and stellar spectra is due to the presence of vapour of sodium in atmospheics surrounding the sun and those stars in whose spectra it had been observed. 6. That other... | |
 | Sir Norman Lockyer - 1871 - 540 pàgines
...double dark line D of solar and stellar spectra is due to the presence of vapour of sodium in atmo-i surrounding the sun and those stars in whose spectra it had been observed. 6. That o;her vapours than sodium are to be ftund in tin atmospheres of sun and stars by searching for substances... | |
 | 1872 - 520 pàgines
...though very nearly agreeing with them, is transmitted with comparatively no loss. (5) That Fraunhofer's double dark line D of solar and stellar spectra is...atmospheres of sun and stars by searching for substances producin o- in the spectra of artificial flames bright lines coinciding with other dark lines of the... | |
 | British Association for the Advancement of Science - 1872 - 728 pàgines
...though very nearly agreeing with them, is transmitted with comparatively no loss. (5) That Eraunhofcr's double dark line D of solar and stellar spectra is...those stars in whose spectra it had been observed. (0) That other vapours than sodium arc to be found in the atmospheres of sun and stars by searching... | |
 | British Association for the Advancement of Science - 1872 - 716 pàgines
...proceeding from it is of the two qualities constituting the double bright lino 1). (5) That i'raunhofer's double dark line D of solar and stellar spectra is...to the presence of vapour of sodium in atmospheres surroundiug the sun and those stars in whose spectra it had been observed. (4) That when vapour of... | |
 | Sir Norman Lockyer - 1874 - 720 pàgines
...though very nearly agreeing with them, is transmitted with comparatively no loss. " 5. That Fraunhofer's double dark line D of solar and stellar spectra is...stars in whose spectra it had been observed. " 6. That oilier vapours than sodium arc to be found in the atmospheres of sun and stars by searching for substances... | |
 | Sir Norman Lockyer - 1887 - 492 pàgines
...though very nearly agreeing with them, is transmitted with comparatively no loss. " 5. That Fraunhofer's double dark line, D, of solar and stellar spectra,...surrounding the sun and those stars in whose spectra it has been observed. " 6. That other vapours than sodium are to be found in the atmosphere of sun and... | |
 | Sir Norman Lockyer - 1887 - 488 pàgines
...presence of vapour of sodium in atmospheres surrounding the sun and those stars in whose spectra it has been observed. " 6. That other vapours than sodium are to be found in the atmosphere of sun and stars by searching for substances producing in the spectra of artificial flames... | |
 | John S. Rigden - 2003 - 289 pàgines
..."That the double line D, whether bright or dark, is due to the vapor of sodium . . . That Fraunhofer's double dark line D, of solar and stellar spectra, is due to the presence of vapor of sodium in atmospheres surrounding the Sun and those stars in whose spectra it has been observed."2... | |
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... qualities of light is converted into thermal vibrations of the medium, and dispersed in all directions, while light of all other qualities, even though very nearly agreeing with them, is transmitted with comparatively no loss. (5) That Fraunhofer's... 