For main sequence stars less massive than about 10 solar masses, how does luminosity relate to mass ($L ext{ is proportional to } M^p$)?

Answer

p is close to 4

The relationship between mass and luminosity is not linear; for stars under 10 solar masses, the exponent p in the mass-luminosity relation is generally close to 4.

For main sequence stars less massive than about 10 solar masses, how does luminosity relate to mass ($L 	ext{ is proportional to } M^p$)?
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