The Spectroscope and Its Applications |
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... Magnesium lines in the solar spectrum , 108. - Spectrum of 7 Coronæ , 109. - Meteorology of the sun and velocities of stars , 110. — Solar prominences , 115. — Future of the spectroscope , 117 . DESCRIPTION OF FRONTISPIECE . 1. A ...
... Magnesium lines in the solar spectrum , 108. - Spectrum of 7 Coronæ , 109. - Meteorology of the sun and velocities of stars , 110. — Solar prominences , 115. — Future of the spectroscope , 117 . DESCRIPTION OF FRONTISPIECE . 1. A ...
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... Magnesium vapour , showing the lines due to the rarer and denser vapours . 4. Chloride of strontium , an example of the spectrum of a compound body , the finer lines in the blue - green being alone due to the metallic strontium . 5 ...
... Magnesium vapour , showing the lines due to the rarer and denser vapours . 4. Chloride of strontium , an example of the spectrum of a compound body , the finer lines in the blue - green being alone due to the metallic strontium . 5 ...
Page 66
... magnesium , nitrogen , barium , and hydrogen , in the corresponding part of the spectrum . Huggins , who first observed the spectrum of a nebula , found that , instead of the continuous spectrum with which you are familiar in the case ...
... magnesium , nitrogen , barium , and hydrogen , in the corresponding part of the spectrum . Huggins , who first observed the spectrum of a nebula , found that , instead of the continuous spectrum with which you are familiar in the case ...
Page 75
... with 리 G hydrogen hydrogen F hydrogen ว b E D B magnesium sodium hydrogen FIG . 42.- Spectrum of the sun's photosphere ( below ; and chromosphere ( above ) a prominent dark line in the solar spectrum . Now. 11. ] 75 AND ITS APPLICATIONS .
... with 리 G hydrogen hydrogen F hydrogen ว b E D B magnesium sodium hydrogen FIG . 42.- Spectrum of the sun's photosphere ( below ; and chromosphere ( above ) a prominent dark line in the solar spectrum . Now. 11. ] 75 AND ITS APPLICATIONS .
Page 98
... magnesium , of nickel , of copper , of cobalt , and aluminium ; all these are existing in an atmosphere , and are stopping out the sun's light . If the sun were not there , and if these things were observed in an incandescent state , 98 ...
... magnesium , of nickel , of copper , of cobalt , and aluminium ; all these are existing in an atmosphere , and are stopping out the sun's light . If the sun were not there , and if these things were observed in an incandescent state , 98 ...
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Common terms and phrases
absorption lines absorption spectrum Aldebaran application arrangement astronomers atmosphere band black lines blue bright lines Bunsen chromosphere coincident collimating lens colour comet continuous spectrum dark lines deal dense determine direct-vision dispersion electric lamp examine experiment F line fact flame Fraunhofer lines gas or vapour gaseous gases give glass green Huggins hydrogen lines important Induction Coils instance instrument iron Kirchhoff lens line of hydrogen lithium magnesium vapour metal minimum deviation nebula Newton NORMAN LOCKYER number of prisms observing telescope obtained Orionis pass perfectly easy pressure Professor prominences radiation rainbow band ray of light refracted refrangibility Science scientific seen showing shown in Fig slit sodium lines sodium vapour solar prominences solar spectrum solid or liquid spec spectra spectrum analysis Spectrum of carbon star spectroscope strontium substances sun-spot sunlight surface thing three prisms trum tube velocity violet visible white light Wollaston yellow
Popular passages
Page 96 - When this light was allowed to fall through a suitable flame coloured by common salt, dark lines were seen in the spectrum in the position of the sodium lines.
Page 94 - I obtained a tolerably bright solar spectrum, and brought a flame coloured by sodium vapour in front of the slit. I then saw the dark lines D change into bright ones.