Solar physics

1 articles
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    What Is the Sun Made Of and When Will It Die?

    Reprinted with permission from Quanta Magazine’s Abstractions blog.Like any star in its prime, the sun consists mainly of hydrogen atoms fusing two by two into helium, unleashing immense energy in the process. But it’s the sun’s tiny concentration of heavier elements, which astronomers call metals, that controls its fate. “Even a very small fraction of […]