Final answer:
Star 2 is yellow in color based on the general understanding of stellar colors in astronomy. Stars emit light across a spectrum, and their color is often an indicator of their temperature. Therefore, the correct statement is (b) Star 2 is yellow in color.
Step-by-step explanation:
The color of a star is an indication of its temperature. Generally, hotter stars appear bluish, while cooler stars appear reddish. Yellow stars fall in the intermediate temperature range. Given that Star 2 is yellow, it suggests that it has a moderate temperature compared to the other stars. The provided options (a) and (b) state the color of Star 2, and the correct statement is (b) as it accurately represents the color described.
The other statements about Star 1 and Star 3 being either white or yellow are not addressed in the explanation, as the question specifically focuses on the color of Star 2. The correct answer is based on the interpretation of the provided information and the understanding of stellar color temperatures.
Therefore, the correct statement is (b) Star 2 is yellow in color.