Absolute Dating

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We know the composition of a star by looking at its

the last element a star can make by fusion is

The first stage in the life cycle of stars is a

The process that produces all the energy of a star is

The main fuel for main sequence stars is

When each element gives off light , they

All wavelengths of light combined including visible light, and ultra-violet light, is referred to as the

the explosive way that high mass stars die is a