Abstract
The matter of the Universe after recombination is considered as an expanding gas. the Jeans-mass obtained for this gas may essentially be larger than it is usually expected. This means that the discrepancy between the theoretical Jeans-mass and the observed masses of the galaxies may be mitigated.
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Mészáros, A., Molnár, Z. On the Jeans-mass in cosmology. Astrophys Space Sci 181, 323–325 (1991). https://doi.org/10.1007/BF00639098
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DOI: https://doi.org/10.1007/BF00639098