Protogalactic disk formation refers to the process by which a rotating disk of primordial gas, primarily hydrogen and helium, evolves into a galaxy. This formation occurs in the early universe, where gravitational interactions and density fluctuations cause the gas to collapse and spin, leading to the creation of a structured disk. This process is essential for understanding how galaxies like our Milky Way were born from the simple ingredients present in the cosmos shortly after the Big Bang.
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