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How does the HR diagram explain why some smaller cooler stars are brighter than larger hotter stars?
Wiki User
∙ 13y ago
In terms of absolute magnitude, a larger hotter star will necessarily be more luminous than a smaller cooler star. However, if a smaller cooler star is much closer to us than a larger hotter star, it may appear to be brighter. None of this has anything to do with the HR diagram.
Wiki User
∙ 13y ago
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