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" If the velocity of light he taken at 185,000 miles per second, and the wave-length of F at 486'50 millionths of a millimetre, the observed alteration in period of the line in Sirius will indicate a motion of recession between the earth and the star of... "
The London, Edinburgh and Dublin Philosophical Magazine and Journal of Science - Page 58
1868
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Proceedings of the Royal Society of London, Volume 16

Royal Society (Great Britain) - 1868 - 654 pages
...Sirius by an amount of wave-length equal to 0-109 millionth of a millimetre. If the velocity of light he taken at 185,000 miles per second, and the wave-length...of the visual ray, was equal to a velocity of about 12 miles per second from the star. There remains unaccounted for a motion of recession from tJie earth...
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The London, Edinburgh and Dublin Philosophical Magazine and Journal of Science

1868 - 1024 pages
...to degrade the refrangibility of the dark line in Sirius by an amount of wave-length equal to 0*109 millionth of a millimetre. If the velocity of light...second. At the time of observation, that part of the eurth's motion which was in the direction of the visual ray was equal to a velocity of about 12 miles...
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Proceedings of the Royal Society of London, Volume 16

Royal Society (Great Britain) - 1868
...millimetre. If the velocity of light be take* at 185,000 miles per second, and the wave-length of F at 48C'50 millionths of a millimetre, the observed alteration...of the visual ray, was equal to a velocity of about 12 miles per second from the star. There remains unaccounted for a motion of recession from the earth...
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Proceedings of the Royal Society of London, Volume 16

Royal Society (Great Britain) - 1868 - 652 pages
...to degrade the refrangibility of the dark line in Sirius by au amount of wave-length equal to 0'109 millionth of a millimetre. If the velocity of light...motion of recession between the earth and the star of 41 '4 miles per second. At the time of observation, that part of the earth's motion which was in the...
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Appletons' Annual Cyclopaedia and Register of Important Events: Embracing ...

1869 - 826 pages
...Taking the velocity of light at 185,000 miles per second, and the wavo length of the dark line at 486.50 millionths of a millimetre, the observed alteration...motion of recession, between the earth and the star, of 41.4 miles per second. At the time of observation, that part of tho earth's motion which was in the...
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Spectrum analysis, 6 lects

sir Henry Enfield Roscoe - 1869
...wave-length of F at 48G-50 millionths of a millimetre (Angstrom's value is 4S6-52, Uitecheiner's 486'49), the observed alteration in period of the line in Sirius will indicate a motion of recession existing between the earth and the star of 41 -4 miles per second. Of this motion a part is due to...
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Spectrum Analysis: Six Lectures, Delivered in 1868, Before the Society of ...

Henry Enfield Roscoe - 1870 - 508 pages
...wave-length of F at 486'50 millionths of a millimetre (Angstrom's value is 486'52, Ditscheiner's 48649), the observed alteration in period of the line in Sirius will indicate a motion of recession existing between the earth and the star of 41 -4 miles per second. Of this motion a part is due to...
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Report of the ... Meeting of the British Association for the ..., Volume 38

British Association for the Advancement of Science - 1869 - 862 pages
...wave-length of F at 48G-50 millionth« of a metre, the alteration in period observed in the line of Sirius will indicate a motion of recession between the earth and the star of 41-4 miles per second. Of this motion a part is due to the earth's motion in space. As the earth moves...
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Report of the Annual Meeting, Volume 38

British Association for the Advancement of Science - 1869 - 868 pages
...wave-length of F at 480-50 millionths of a metre, the alteration in period observed in the line of Sirius will indicate a motion of recession between the earth and the star of 41-4 miles per second. Of this motion a part is due to the earth's motion in space. As the earth moves...
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Spectrum Analysis: Six Lectures, Delivered in 1868, Before the Society of ...

Henry Enfield Roscoe - 1873 - 542 pages
...wave-length of F at 486'50 millionths of a millimetre (Angstrom's value is 486 - 52, Ditscheiner's 48649), the observed alteration in period of the line in Sirius will indicate a motion of recession existing between the earth and the star of 41'4 miles per second. Of this motion a part is due to the...
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