Stars

The Compositions of Stars
 * =====Scientists have learned that stars are made up of the same elements that compose Earth.=====
 * =====The most common element in stars is hydrogen. Helium is the second most common element in star.=====
 * =====Small quantities of carbon, oxygen, and nitrogen are also found in stars.=====

The Temperatures of Stars

 * =====The temperature of most stars ranges from 2,800˚C to 24,000˚C.=====

The Sizes and Masses of Stars

 * =====Stars vary in size and mass.=====

Classification Of Stars

 * Color || SurfaceTemperature ||  ||
 * Blue || Above 30,000 ||  ||
 * Blue-White || 10,000--30,000 ||  ||
 * White || 7,500-10,000 ||  ||
 * Yellow-White || 6,000-7,500 ||  ||
 * Yellow || 5,000-6,000 ||  ||
 * Orange

Red || 3,500-5,000 less than 3,500 ||  ||