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The rate of stimulated inverse bremsstrahlung is calculated for low electrondensity stellar plasmas and the condition under which the plasma becomestransparent is presented. The stability of low density stellar plasma isanalyzed for a star with a spherical symmetry in equilibrium between thegravitational attractive forces and the repulsive pressure forces of an idealelectron gas where the analysis is developed by the use of Boltzmannstatistics. Fundamental and surprising results are obtained by which the radiusand the total mass of the star are inversely proportional to the square root ofthe electron density in the star center. The total gravitational forces of thestar with very low electron and mass densities are very large (!) due to theextreme large star volumes. The absorption and emission of radiation forextremely low density star plasmas vanishes over all the entire electromagneticspectrum. The present results are supported by numerical calculations. Similareffects are predicted for low density stellar plasmas which have differentstructures and the properties of such plasmas might show certain similaritieswith those of dark matter.

Transparency and stability of low density stellar plasma related to Boltzmann statistics , inverse stimulated Bremsstrahlung and dark matter