"Coma filament" typically refers to a specific structure in astrophysics related to the distribution of dark matter and galaxies within the large-scale structure of the universe. In this context, "comas" are clusters of galaxies that are connected by filaments of dark matter and gas, forming a "cosmic web" structure. These filaments represent the densest areas where matter is concentrated, and they play a crucial role in the formation and evolution of galaxies.
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