Spectrum Analysis -- Six Lectures1869 |
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Seite xv
... SIRIUS COMPARED WITH THE SPECTRA OF HYDROGEN AND THE SUN . 72. - POWERFUL STAR SPECTROSCOPE OF MR . HUGGINS 256 • 277 PLATES . CHROMO - LITHOGRAPH OF THE SPECTRA OF THE METALS OF THE ALKALIES AND ALKALINE EARTHS , FROM THE DRAWINGS OF ...
... SIRIUS COMPARED WITH THE SPECTRA OF HYDROGEN AND THE SUN . 72. - POWERFUL STAR SPECTROSCOPE OF MR . HUGGINS 256 • 277 PLATES . CHROMO - LITHOGRAPH OF THE SPECTRA OF THE METALS OF THE ALKALIES AND ALKALINE EARTHS , FROM THE DRAWINGS OF ...
Seite 181
... Sirius and others , and he found that , although in some of these fixed stars some lines existed which occur in sunlight , yet that other lines , always present in sunlight , are absent from the light of the stars thus in Procyon and ...
... Sirius and others , and he found that , although in some of these fixed stars some lines existed which occur in sunlight , yet that other lines , always present in sunlight , are absent from the light of the stars thus in Procyon and ...
Seite 239
... Sirius , Lyræ , Vega , & c . , whose spectra are especially characterised by four black lines , coincident with those of hydrogen . Group 2 consists of the yellow stars , having spectra intersected by numerous fine lines resembling ...
... Sirius , Lyræ , Vega , & c . , whose spectra are especially characterised by four black lines , coincident with those of hydrogen . Group 2 consists of the yellow stars , having spectra intersected by numerous fine lines resembling ...
Seite 256
... Sirius light . It is difficult for me to explain this matter in a few words , but I should have been neglecting my duty if I failed to point out to you that not only can we arrive at conclusions respecting the chemical nature of the ...
... Sirius light . It is difficult for me to explain this matter in a few words , but I should have been neglecting my duty if I failed to point out to you that not only can we arrive at conclusions respecting the chemical nature of the ...
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absorption alkaline Ångström apparatus appear Appendix bands barium bodies bright bands bright lines Bunsen cæsium calcium carbon chemical action Chemical Elements chloride coincident colour comet compounds contains continuous spectrum dark lines detected diagram didymium electric spark elements emitted employed examination exhibits existence experiments eyepiece flame Fourth Series Fraunhofer Fraunhofer's gaseous gases give green heated Huggins hydrochloric acid hydrogen hydrogen line incandescent inch instrument intensity iron Kirchhoff lecture lens light lithium luminous magnesium Major Tennant measures metallic lines milligramme millimetre motion nebula nitrogen object-glass observed obtained oxygen pass peculiar Phil placed plate platinum portion position potassium presence prism produced rays reaction red line refracting refrangible rubidium salt scale seen Sirius slit soda sodium sodium line solar atmosphere solar spectrum spectra spectroscope spectrum analysis stellar strontium substance sun's telescope temperature thallium tube vapour violet visible volatile whilst wire