If the temperature of the Sun were to decrease while its size remained the same,it would become
A)Redder and brighter
B)Redder and fainter
C)Bluer and brighter
D)Bluer and fainter

Question

Quizplus · Accepted Answer

If the temperature of the Sun were to decrease while its size remained the same, it would emit more of its energy in the longer wavelength, redder portion of the electromagnetic spectrum. This means it would become "redder." Also, as it would emit less energy overall due to its decreased temperature, it would become "fainter." Therefore, the best choice is B: "Redder and fainter."

If the Temperature of the Sun Were to Decrease While