tar A has twice the radius and twice the absolute
Chapter 11, Problem 11.28(choose chapter or problem)
tar A has twice the radius and twice the absolute temperature of star B. What is the ratio of the power output of star A to that of star B? The emissivity of both stars can be assumed to be 1. (a) 4 (b) 8 (c) 16 (d) 32 (e) 64
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