The star used to be like the sun, a "main sequence" star that burns hydrogen by nuclear fusion, producing helium.
这颗恒星曾和太阳一样,是颗“主序星”(“main sequence”)。它通过核聚变燃烧氢,从而产生氦。
The star used to be like the sun, a "main sequence" star that burns hydrogen by nuclear fusion, producing helium.
这颗恒星曾和太阳一样,是颗“主序星”(“main sequence”)。它通过核聚变燃烧氢,从而产生氦。
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