Description : Which of the following is indicated by the colour of a star? (1) weight (2) distance (3) temperature (4) size
Last Answer : (3) temperature Explanation: Colour is caused by the temperature of the surface of the star. A star approximates the behavior of a black body radiator. As a black body gets hotter its color changes. ... reddish appearance, whereas big heavy stars are hot (over 30,000°C), and have a bluish glow.