Dennis Sciama has argued that the existence of life depends on many quantities—the fundamental constants—so in a random universe life should be highly unlikely. However, without full knowledge of these constants, his argument implies a universe that could appear to be ‘intelligently designed’.
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Deutsch, D. The Beginning Of Infinity: Explanations That Transform The World 99–100 (Penguin, 2011).
Carter, B. In Confrontation Of Cosmological Theories With Observational Data 291–298 (Springer, 1974).
Milman, V. D. Astérisque 157, 273–301 (1988).
Eddington, A. S. Relativity Theory Of Protons And Electrons 3 (Cambridge Univ. Press, 1936).
Siegel, E. How many fundamental constants does it take to explain the universe? Forbes (16 November 2018).
Wang, Z.-W. & Braunstein, S. L. Preprint at https://arxiv.org/abs/2109.10241 (2021).
Eddington, A. S. The Philosophy Of Physical Science (Cambridge Univ. Press, 1939).
Hoyle, F. Astrophys. J. Suppl. Ser. 1, 121–146 (1954).
Diaconis, P. & Freedman, D. Ann. Stat. 12, 793–815 (1984).
Klartag, B. Invent. Math. 168, 91–131 (2007).
Ćirković, M. M. Astrobiology 16, 737–740 (2016).
Adams, F. C. Phys. Rep. 807, 1–111 (2019).
Overbye, D. The search for E.T. goes on hold, for now. The New York Times (23 March 2020).
The authors declare no competing interests.
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Wang, ZW., Braunstein, S.L. Sciama’s argument on life in a random universe and distinguishing apples from oranges. Nat Astron 7, 755–756 (2023). https://doi.org/10.1038/s41550-023-02014-9