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One Star Has a Temperature of 30,000 K and Another

Question 46

Multiple Choice

One star has a temperature of 30,000 K and another star has a temperature of 6,000 K. Compared to the cooler star, how much more energy per second will the hotter star radiate from each square meter of its surface?


A) 5 times
B) 25 times
C) 8.1*1017 times
D) 625 times
E) 1.3*1015 times

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