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Prion stars

Prion stars are hypothetical cosmic objects, consisting of preons, supposed elementary particles, which form part of quarks. The density of such an object should be even higher than that of a quark star, and reach 1020 g / cm3. In this case, the mass can not exceed ~ 10-2 solar masses, and the diameter ~ 102 m. According to other sources, the density is at least 1023 g / cm³, the maximum mass reaches ~ 102 M⊕, and the maximum radius is not more than ~ 1 m. Perhaps such objects can be part of the cold dark matter, allowing the paradox of the lack of mass of visible objects to preserve the integrity of galaxies.

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