The lifespan of a star is primarily determined by its mass. A star's mass plays a crucial role in its evolution, determining how quickly it burns through its nuclear fuel. More massive stars have higher temperatures and pressures at their cores, which leads to faster fusion rates and a shorter lifespan. In contrast, less massive stars burn their fuel more slowly, allowing them to shine for billions of years. While a star's color and temperature can give some insight into its stage of life, they are directly influenced by its mass and do not determine its lifespan in the same way.

**Final Answer:** The lifespan of a star is determined by **its mass**.

Question

The lifespan of a star is primarily determined by its mass. A star's mass plays a crucial role in its evolution, determining how quickly it burns through its nuclear fuel. More massive stars have higher temperatures and pressures at their cores, which leads to faster fusion rates and a shorter lifespan. In contrast, less massive stars burn their fuel more slowly, allowing them to shine for billions of years. While a star's color and temperature can give some insight into its stage of life, they are directly influenced by its mass and do not determine its lifespan in the same way.

Final Answer: The lifespan of a star is determined by its mass.

**Final Answer:** The lifespan of a star is determined by **its mass**.

Knowee AI · Accepted Answer

The lifespan of a star is primarily determined by its mass. A star's mass plays a crucial role in its evolution, determining how quickly it burns through its nuclear fuel. More massive stars have higher temperatures and pressures at their cores, which leads to faster fusion rates and a shorter lifespan. In contrast, less massive stars burn their fuel more slowly, allowing them to shine for billions of years. While a star's color and temperature can give some insight into its stage of life, they are directly influenced by its mass and do not determine its lifespan in the same way.

Final Answer: The lifespan of a star is determined by its mass.

**Final Answer:** The lifespan of a star is determined by **its mass**.

The lifespan of a star is determined by...*1 pointIt's colorIt's temperatureIt's mass

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The lifespan of a star is determined by...

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