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What is a star's
luminosity?

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Final answer:

Luminosity of a star is essential for determining its brightness compared to other stars, often measured in relation to the Sun's luminosity.


Explanation:

Luminosity of a star refers to the total energy it emits per second, which is crucial for understanding a star's brightness. The luminosity of stars is often compared to the Sun's luminosity for easy interpretation. Astronomers calculate luminosity based on surface area and energy flux, enabling comparisons among stars.


Learn more about Luminosity of stars here:

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