Letter | Published:

Interpretation of Nebular Red-Shifts

Nature volume 145, pages 6970 (13 January 1940) | Download Citation

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Abstract

IN a recent communication1, M. E. J. Gheury de Bray discusses the possibility of explaining the red-shifts by assuming that the velocity of light (cT) is constant throughout the universe at any given time but decreases with time (T).

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References

  1. 1.

    NATURE, 144, 285 (1939).

  2. 2.

    , Proc. Roy. Soc., A, 153, 327.

  3. 3.

    , NATURE, 144, 593 (1939).

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Author information

Affiliations

  1. Canterbury University College, Christchurch, New Zealand. Nov. 27.

    • K. R. POPPER

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DOI

https://doi.org/10.1038/145069b0

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