+Stellar mass is the total amount of [matter](/wiki/matter) contained within a star, often measured in units of [solar masses](/wiki/solar_masses). It is a defining characteristic that governs a star's luminosity, lifespan, and ultimate destiny.
+## See also
+- [Star](/wiki/star)
+- [Stellar Evolution](/wiki/stellar_evolution)
+- [Luminosity](/wiki/luminosity)
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