A particular star appears brighter seen through a blue filter than seen through a yellow filter. Which of these surface temperatures is possible for this star?

Question

Quizplus · Accepted Answer

Stars that appear brighter in blue light than in yellow light are hotter, indicating a higher surface temperature. A temperature of 12,000 K suggests a star emitting more energy in the blue part of the spectrum, consistent with Wien's displacement law.

A Particular Star Appears Brighter Seen Through a Blue Filter