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• 21:22, 25 January 2026 DanteWashere talk contribs created page Main-sequence star (Created page with "'''Main-sequence star''' is a star that is in a stable phase of stellar evolution characterized by sustained hydrogen fusion in its core. This phase occupies a well-defined region of the Hertzsprung–Russell diagram. Main-sequence stars are discussed in astrophysics, stellar evolution, and observational astronomy. == Status == Main-sequence stars are observed across a wide range of masses, temperatures, and luminosities. Models of their structure and lifespan are well...")