| 1904 - 596 pages
...center is small, and the orbital speed very slight. The total range of speed is but three one hundredths of a kilometer per second. An observer favorably situated...variations. As the accuracy attainable improves with experience, the proportional number of spectroscopic binaries discovered will undoubtedly be enormously... | |
| 1904 - 622 pages
...center is small, and the orbital speed very slight. The total range of speed is but three one hundredths of a kilometer per second. An observer favorably situated...variations. As the accuracy attainable improves with experience, the proportional number of spectroscopic binaries discovered will undoubtedly be enormously... | |
| Astronomical Society of the Pacific - 1905 - 606 pages
...slightly, because it is attended by companions, — very minute ones compared with the invisible bodies discovered in spectroscopic binary systems. It is...variations. As the accuracy attainable improves with experience, the proportional number of spectroscopic binaries discovered will undoubtedly be enormously... | |
| William Wallace Campbell - 1913 - 384 pages
...small, and variable, and the orbital speed very slight. The total possible range of speed is but .03 km. per second. An observer, favorably situated in another...could detect this variation, and in time say that our star is attended by planets. Terrestrial observers have not the present power to measure such minute... | |
| 1904 - 604 pages
...center is small, and the orbital speed very slight. The total range of speed is but three one hundredths of a kilometer per second. An observer favorably situated...variations. As the accuracy attainable improves with experience, the proportional number of spectroscopic binaries discovered will undoubtedly be enormously... | |
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