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4. Analyze Some of the bright- est stars are red supergiants. How can stars with cooler red surfaces be so bright?

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4. Analyze Some of the bright- est stars are red supergiants. How can stars with cooler red surfaces be so bright?

4. Analyze Some of the bright- est stars are red supergiants. How can stars with cooler red surfaces be so bright?

Solution

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JonasVeteran · Tutor for 10 years

Answer

They are very large in size, which increases their luminosity despite having cooler surfaces.
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