Which of the following kinds of stars best obey the mass-luminosity relation

Question

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The mass-luminosity relation states that the luminosity of a star is proportional to its mass raised to the 3.5 power. Main-sequence stars are stars that are burning hydrogen in their cores, and the majority of stars fall into this category. These stars are in a state of hydrostatic equilibrium and have a stable luminosity that is governed by their mass, making them the best candidates to obey the mass-luminosity relation.

Which of the Following Kinds of Stars Best Obey the Mass-Luminosity