Question
A star with the same radius as the Sun is found to produce a luminosity 81 times larger. What is its surface temperature, compared to the Sun's?
Step 1
We know that the luminosity of a star is proportional to its radius squared and its surface temperature to the fourth power. Mathematically, this can be expressed as: L = k * R^2 * T^4 where L is the luminosity, R is the radius, T is the surface temperature, and Show more…
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