colors+of+the+stars

Colors of the stars By: Michelle Camacho

The surface temperature of a star is determined by a stars color. For example, stars that appear blue usually have the average surface temperature of 35,000 Celsius. Red stars are the coolest stars and have average temperatures of about 3,000 Celsius. Yellow stars such as our sun have average temperatures of 5,500 Celsius.

Star color & temperature

Astronomers direct sunlight by spectrographs, which are devices that separate light into different colors or wavelengths. The colors and lines of a spectrum of a star determine the elements that make up a star. Rigel Arcturus