[2354] Stellar Evolution
Title Text:It may remain in equilibrium for some time, slowly growing, and then suddenly become significantly redder. Origin:https://xkcd.com/2354/ https://www.explainxkcd.com/wiki/index.php/2354:_Stellar_Evolution 恒星演化 恒星可能在主序列上停留数千亿年,缓慢燃烧,积热的核心在氢燃烧后便会大幅膨胀,成为红巨星。 http://xkcd.in/comic?lg=cn&id=2354 这是对主要序列的一个双关语,即出现在赫兹普劳–罗素图上的连续而独特的恒星带。该波段上的星星被称为主序星星。这些是宇宙中数量最多的恒星,包… Read more
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