| Royal Astronomical Society - 1885 - 572 pages
...of radial stellar motion, for Dr. Huggins has remarked that at the time they were fully aware that " if the stars were moving towards or from the Earth,...vapours of the same substances existing in the stars." (PJiil. Trans., 1868, p. 529.) Owing, however, to the insufficiency of the apparatus in these early... | |
| 1885 - 600 pages
...of radial stellar motion, for Dr. Huggins has remarked that at the time they were fully aware that " if the stars were moving towards or from the Earth,...vapours of the same substances existing in the stars." (Phil. Trans., 1868, p. 529.) Owing, however, to the insufficiency of the apparatus in these early... | |
| Royal Astronomical Society - 1833 - 572 pages
...or from the Earth, their motion, compounded with the Earth's motion, would alter to an observer ou the Earth the refrangibility of the light emitted...vapours of the same substances existing in the stars." (Phil. Trans., 1868, p. 529.) Owing, however, to the insufficiency of the apparatus in these early... | |
| Royal Institution of Cornwall - 1891 - 580 pages
...hydrogen, or of any other substance or gas. These observations have been made on the theory that " if the stars were moving towards or from the earth,...the absorption of the vapours of the same substances in the stars."* that I shall be in order if I state, without occupying too much of your attention,... | |
| Astronomical Society of the Pacific - 1909 - 614 pages
...refrangibility of the light emitted by them, and consequently the lines of terrestrial substatices would no longer coincide in position in the spectrum...with the dark lines produced by the absorption of the vapors of the same substances existing in the stars." Repeated efforts to measure the velocities of... | |
| Royal Society (Great Britain) - 1912 - 742 pages
...their motion compounded with the Earth's motion would alter to an observer on the Earth the wave-length of the light emitted by them, and consequently the...the absorption of the vapours of the same substances in the stars. The two-prism spectroscope he employed was sufficient to show that no displacement in... | |
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