Nature, Volume 65Sir Norman Lockyer Macmillan Journals Limited, 1901 |
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Página 113
... line strong in the spectra of planetary nebula , while the other three are of unknown origin . It is suggested that the second line ( 3970 ) is not the line of hydrogen at He , as the other hydrogen lines in the spectrum are so weak ...
... line strong in the spectra of planetary nebula , while the other three are of unknown origin . It is suggested that the second line ( 3970 ) is not the line of hydrogen at He , as the other hydrogen lines in the spectrum are so weak ...
Página 156
... lines in the spectra , while succeeding stages are represented by stars in which dark lines are gradually introduced , until finally the Orion type of spectra , usually consisting wholly of dark lines , is reached . Three catalogues are ...
... lines in the spectra , while succeeding stages are represented by stars in which dark lines are gradually introduced , until finally the Orion type of spectra , usually consisting wholly of dark lines , is reached . Three catalogues are ...
Página 532
... lines of force . The analogies between liquid stream lines due to sources and sinks and vortices and lines of force due to charges and electric currents are well brought out , and considerable ingenuity is exercised in constructing ...
... lines of force . The analogies between liquid stream lines due to sources and sinks and vortices and lines of force due to charges and electric currents are well brought out , and considerable ingenuity is exercised in constructing ...
Índice
Gunsights for Large and Small Ordnance 226 a Hart Mr Root Irritation 474 | xxxix |
The Story of Fish Life W P Pycraft 219 Natural History Arthur Smith Woodward F R S 388 | xli |
Galls British Vegetable an Introduction to their Study E T McMurrys Geographies R S Tarr and Frank M McMurry | 13 |
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