Main Sequence

About 90% of the known stars lie on the Main Sequence and have luminosities which approximately follow the mass-luminosity relationship.

Sun on main sequence Spectral types
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Mass-Luminosity Relationship

For main sequence stars, the luminosity increases with the mass with the approximate power law:

The expression uses luminosities and masses compared to those of the Sun.

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Sun on Main Sequence

Main sequence discussionEvolution of Sun to main sequence Anticipated future of the Sun
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Evolution of the Sun to the Main Sequence

Main sequence discussion Sun on main sequence Anticipated future of the Sun
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Anticipated Future of the Sun

Sun on main sequenceSun as red giant Sun as white dwarf
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Sun Concepts

Reference
Cowen
 
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