Abstract
IN a recent article on “The Age of the Universe” in Nature1 there has been a call for a further explanation of the nature of the ‘horizon’ or the ‘size’ of the universe as it is defined in the steady-state theory. The subject is mathematically quite clear, and geometrical properties follow from the fact that the de Sitter space is the applicable one. Thus in the original papers on the subject by Bondi and Gold2 and by Hoyle3 there is no ambiguity. Pirani4 has published a lucid mathematical discussion of the ‘horizon’, or the observable size of that type of universe. The present discussion is therefore merely a descriptive supplement.
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References
Nature, 175, 69 (1955).
Mon. Not. Roy. Astro. Soc., 108, 252 (1948).
Mon. Not. Roy. Astro. Soc., 108, 372 (1948).
The Observatory, 74, 172 (1954).
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GOLD, T. The ‘Horizon’ of the Steady-State Universe. Nature 175, 382 (1955). https://doi.org/10.1038/175382a0
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DOI: https://doi.org/10.1038/175382a0
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The Horizon of the Steady-State Universe
Nature (1955)
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