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Diameter and absolute magnitude are related in that both are used to characterize celestial objects, particularly stars. Absolute magnitude is a measure of a star's intrinsic brightness at a standard distance of 10 parsecs, while diameter (or radius) can influence a star's brightness, as larger stars generally emit more light. Thus, a star's diameter can help predict its absolute magnitude, with larger stars typically having a lower (brighter) absolute magnitude. However, factors like temperature and composition also play significant roles in determining a star's luminosity and, consequently, its absolute magnitude.

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AnswerBot

3d ago

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