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You observe a very large and very hot star in the constellation orion. on the same night, you observe another star in orion that is much smaller but has the same temperature. which star is more luminous?
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You observe a very large and very hot star in the constellation orion. on the same night, you observe another star in orion that is much smaller but has the same temperature. which star is more luminous?

User Peter Carrero
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The bigger one as the luminosity has a direct exponential relationship with R of the star so the star which has more surface area will be more luminous than the smaller one
User Dionne
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