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A cosmic bookA system of assigning odds to the basic elements of cosmological theories is proposed in order to evaluate the strengths and weaknesses of the theories. A figure of merit for the theories is obtained by counting and weighing the plausibility of each of the basic elements that is not substantially supported by observation or mature fundamental theory. The magnetized strong model is found to be the most probable. In order of decreasing probability, the ranking for the rest of the models is: (1) the magnetized string model with no exotic matter and the baryon adiabatic model; (2) the hot dark matter model and the model of cosmic string loops; (3) the canonical cold dark matter model, the cosmic string loops model with hot dark matter, and the baryonic isocurvature model; and (4) the cosmic string loops model with no exotic matter.
Document ID
Document Type
Reprint (Version printed in journal)
External Source(s)
Peebles, P. J. E. (Princeton University NJ, United States)
Silk, Joseph (California, University Berkeley, United States)
Date Acquired
August 14, 2013
Publication Date
October 13, 1988
Publication Information
Publication: Nature
Volume: 335
ISSN: 0028-0836
Subject Category
Distribution Limits