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What is the relationship between the temperature of stars and their brightness during the "main sequence" phase of a star's life?

User Cerd
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These are both related to the stellar temperature. Stars 10 times as massive as the sun shine more than a thousand times as much. The mass and luminosity of a star also relate to its color. More massive stars are hotter and bluer, while less massive stars are cooler and have a reddish appearance.

User Zaklina
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