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太阳何时会灭亡？取决于其中究竟含多少金属元素
source link: https://tech.sina.com.cn/d/s/2018-09-13/doc-ihiycyfy0710999.shtml
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新浪科技讯北京时间9月13日消息，据国外媒体报道，就像所有处于壮年时期的恒星一样，太阳主要由氢氦构成。氢原子两两聚合为氦原子，并在这一过程中释放出大量能量。但真正决定了太阳命运的，则是其中所含的微量重元素，即我们所说的金属元素。瑞典斯德哥尔
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