The Complete Book of 100,000 Reasons Why
lit. ten thousand reasons why
为什么恒星能持续发光？
1、恒星内部进行着核聚变反应，主要是氢原子核聚变成氦原子核，这个过程会释放出巨大的能量。
2、核聚变产生的能量以光和热的形式辐射出来，这些能量穿过恒星的外层，最终传播到宇宙中。
3、恒星能量来源于其核心的高温高压环境，这种环境使得原子核能够克服静电斥力，发生聚变。
4、恒星的发光是长期过程，因为其核心的燃料（氢）非常丰富，可以支持核聚变持续数十亿年。
5、恒星的能量输出稳定，因为核聚变反应的自我调节机制能够维持核心温度和压力的平衡。
总之，恒星能持续发光是因为其内部不断进行的核聚变反应释放出巨大能量，这些能量以光和热的形式传播到宇宙中，支撑了恒星的长期发光。
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