Star Power

Star Power

Stars are massive spheres of hot, glowing gases that produce energy through nuclear fusion. The energy from stars, including our Sun, powers the solar system by providing light and heat. Understanding how stars generate energy helps scientists learn about their life cycles, the formation of elements, and the for...

Have you ever gazed at the sky and wondered about the brilliance of the Sun or the twinkling of stars in the night sky?

The Sun appears brighter than other stars because it is closer to Earth. However, some stars located farther away from Earth may actually produce more energy than the Sun.

Stars begin their life in massive clouds o...