Search Images Maps Play YouTube News Gmail Drive More »
Sign in
Books Books
" 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
Full view - About this book

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...
Full view - About this book

The London, Edinburgh and Dublin Philosophical Magazine and Journal of Science

1868 - 1022 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...
Full view - About this book

Proceedings of the Royal Society of London, Volume 16

Royal Society (Great Britain) - 1868 - 662 pages
...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...
Full view - About this book

Proceedings of the Royal Society of London, Volume 16

Royal Society (Great Britain) - 1868 - 646 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...
Full view - About this book

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...
Full view - About this book

Spectrum analysis, 6 lects

sir Henry Enfield Roscoe - 1869 - 396 pages
...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...
Full view - About this book

Spectrum Analysis: Six Lectures, Delivered in 1868, Before the Society of ...

Henry Enfield Roscoe - 1870 - 514 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...
Full view - About this book

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...
Full view - About this book

Report of the Annual Meeting

British Association for the Advancement of Science - 1869 - 858 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...
Full view - About this book

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...
Full view - About this book




  1. My library
  2. Help
  3. Advanced Book Search
  4. Download EPUB
  5. Download PDF