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← ScienceWhich mechanism maintains constant spacecraft internal temperature, using radiative equivalence?
A)Selective emissivity radiative heat transfer✓
B)Forced convection air dilution refrigeration
C)Thermoelectric Peltier effect adjustment
D)Passive conduction heat spreader deployment
💡 Explanation
Selective surface emissivity uses radiative heat transfer because emitted radiation balances absorbed solar radiation, maintaining equivalent thermal energy; therefore, the net temperature remains stable, rather than relying on convection cooling or conduction alone.
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