Consider a deep-space probe constructed as 1 m diameter polished alum – McqOptions

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1.	Consider a deep-space probe constructed as 1 m diameter polished aluminum sphere. Estimate the equilibrium temperature that the probe reaches if the solar energy received is 300 W/m2. For solar radiation, absorptivity of aluminum is 0.3 and the average emissivity appropriate for aluminum at low temperature is 0.04
A.	415.67 K
B.	315.67 K
C.	215.67 K
D.	115.67 K
Answer» C. 215.67 K

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