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太阳发光近50亿年,其源源不断的能量是哪儿来的? - 科学探索 - cnBeta.COM

 5 years ago
source link: https://www.cnbeta.com/articles/science/782213.htm
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太阳持续不断地发光,是由内部连续核反应产生的,在这些核反应中,4个质子聚合生成1个氦-4原子核,并伴随释放出2个电子中微子和大量能量。科学家建立的模型暗示,太阳释放出的核能99%来自3个反应序列,统称质子-质子链反应,由2个质子聚合引发。

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