Star Systems and Galaxies Answers

What makes stars produce energy?

Rigel and the Sun have similar characteristics, but they also differ in some ways. Rigel and the Sun are spheres of gas that use nuclear fusion to produce energy. Rigel is the Sun. Rigel has the Sun. Rigel has a surface temperature of about .

Rigel and the Sun have similar characteristics, but they also differ in some ways. Rigel and the Sun are spheres of gas that use nuclear fusion to produce energy. Rigel is the Sun. Rigel has the Sun. Rigel has a surface temperature of about .