 Kirchhoffs map as coincident with nickel, to be seen. The close groups of the metallic spectra are also well resolved. When this improved apparatus was directed to the stars, a large number of fine lines was observed, in addition to those that had been...  Spectrum analysis, 6 lects - Page 311by sir Henry Enfield Roscoe - 1870Full view - About this book
 | John Tyndall - 1895 - 220 pages
...sufficiently bright to give a spectrum has been observed to be without lines. Star differs from star only in the grouping and arrangement of the numerous fine lines by which their spectra are crossed. 324. The dark absorption lines are strongest in the spectra of yellow and red stars. In white stars... | |
 | Royal Institution of Great Britain - 1866 - 742 pages
...magnesium, iron.* No stars sufficiently bright to give a spectrum have been observed to be without lines. Star differs from star alone in the grouping and arrangement...numerous fine lines by which their spectra are crossed. 1. Hydrogen with lines C and F 2. Sodium 3. Magnesium 4. Calcium 5. Iron 6. Bismuth « 7. Tellurium... | |
 | 1866 - 452 pages
...been measured. No stars sufficiently bright to give a spectrum have been observed to be without lines Star differs from star alone in the grouping and arrangement...numerous fine lines by which their spectra are crossed. "The few really fine nights that are available whilst the star is well situated for such observations,... | |
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