The color of a star tells us about its

The color of a star tells us about its temperature (option C). Stars emit light across a spectrum of colors, ranging from red to blue. The color we see depends on the temperature of the star’s surface: hotter stars emit more blue light, appearing bluish-white, while cooler stars emit more red light, appearing reddish. This relationship is based on the principle that hotter objects emit shorter-wavelength (bluer) light and cooler objects emit longer-wavelength (redder) light. Therefore, by observing the color of a star, astronomers can estimate its surface temperature. This information is crucial for classifying stars into spectral types and understanding their physical properties, such as luminosity and size. Unlike weight (option A) or size (option B), which can vary independently of color, temperature has a direct and observable influence on a star’s emitted light spectrum, making color a valuable indicator in stellar classification and analysis.