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Equilibrium Temperature and Habitable Zones
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Astronomy
AST.265 Equilibrium Temperature and Habitable Zones
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If the Sun became more luminous while Earth's orbit stayed the same, what would happen to the location of the Sun's habitable zone in a simple model?
A
It would disappear because luminosity and distance are unrelated.
B
It would shift outward because the same flux would occur farther away.
C
It would shift inward because brighter stars have smaller habitable zones.
D
It would remain fixed because habitable-zone distance never changes.
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