The single most important determinant of the temperature, density, radius, luminosity, and pace of evolution of a protostar is its

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The mass of a protostar is the single most important determinant of its temperature, density, radius, luminosity, and pace of evolution. This is because the mass dictates the gravitational forces at play, influencing the star's ability to fuse elements and thus its overall life cycle and characteristics.

The Single Most Important Determinant of the Temperature, Density, Radius