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Doppler’s Effect, Gravity and Cosmology

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DOI: 10.4236/jmp.2013.48A008    3,965 Downloads   5,491 Views   Citations
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ABSTRACT

We first show that Dopplers effect implies that the time runs identically in the frames of reference of the source of light and the observer. Furthermore, we then show that the frequency shift due to the (assumed) expansion of space, if any, is indistinguishable from that due to the motion of the source with respect to the observer; and that the shift does not depend on the distance to the source. Observed frequency shifts of cosmological sources then need to be interpreted as being only due to their motions with respect to us. This has important implications for our ideas in cosmology.

Conflicts of Interest

The authors declare no conflicts of interest.

Cite this paper

S. Wagh, "Doppler’s Effect, Gravity and Cosmology," Journal of Modern Physics, Vol. 4 No. 8A, 2013, pp. 102-104. doi: 10.4236/jmp.2013.48A008.

References

[1] Relevant Discussion in S. M. Wagh and D. A. Deshpande, “Essentials of Physics,” Vol. 2, Prentice-Hall India, New Delhi, 2013.
[2] S. M. Wagh, Pramana, 2013, in Press.
[3] A. Einstein, Annalen der Physik, 1905, p. 17.
[4] H. E. Ives and G. R. Stilwell, Journal of the Optical Society of America A, Vol. 28, 1938, p. 215. doi:10.1364/JOSA.28.000215
[5] H. E. Ives and G. R. Stilwell, Journal of the Optical Society of America A, Vol. 31, 1940, p. 369. doi:10.1364/JOSA.31.000369
[6] D. Hasselkamp, E. Mondry and A. Scharmann, Zeitschrift für Physik, Vol. A289, 1979, p. 151.

  
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