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Fermi balls

Dark matter as Fermi balls? Rob Sheldon offers a question

Sheldon: Quite surprisingly, such a theory is readily available for testing. Remember, dark matter avoids the center of galaxies, but neither does it condense into stellar-sized black holes (we looked). So if it is little balls created in the Big Bang, then it is indistinguishable from Primordial Black Holes that have been proposed for decades... Read More ›