All stars are born with the same basic composition, yet stars can look quite different from one another. Which two factors primarily determine the characteristics of a star?

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Quizplus · Accepted Answer

A star's mass determines many of its characteristics, including its temperature, luminosity, and lifetime. A star's stage of life also plays a crucial role in determining its characteristics. For example, a star that is still in the process of forming will look very different from a star that is approaching the end of its life.

All Stars Are Born with the Same Basic Composition, Yet