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Primordial comets are comets made of Big Bang synthesized materials—water, ammonium, and carbon ices. These are the basic elements for life, so that these comets can be colonized by cyanobacteria that grow and bioengineer it for life dispersal. In addition, should they exist in large enough quantities, they would easily satisfy the qualifications for dark matter: low albedo with low visibility, gravitationally femtolensing, galactic negative viscosity, early galaxy formation seeds, and a self-interaction providing cosmic structure. The major arguments against their existence are the absence of metals (elements heavier than He) in ancient Population III stars, and the stringent requirements put on the Big Bang (BB) baryonic density by the BB nucleosynthesis (BBN) models. We argue that CI chondrites, hyperbolic comets, and carbon-enriched Pop III stars are all evidence for primordial comets. The BBN models provide the greater obstacle, but we argue that they crucially omit the magnetic field in their homogeneous, isotropic, “ideal baryon gas” model. Should large magnetic fields exist, not only would they undermine the 1-D models, but if their magnitude exceeds some critical field/density ratio, then the neutrino interacts with the fields, changing the equilibrium ratio of protons to neutrons. Since BBN models are strongly dependent on this ratio, magnetic fields have the potential to radically change the production of C, N, and O (CNO) to produce primordial comets. Then the universe from the earliest moments is not only seeded for galaxy formation, but it is seeded with the ingredients for life.
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