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Whose theory explained why the Sun and stars shine by nuclear fusion?
Quick Answer
Hans Bethe explained stellar energy generation in 1938. He showed that nuclear fusion powers the Sun and other stars.
The Full Story
Hans Bethe, a German-American physicist, published the key theory of stellar nucleosynthesis in 1938. He explained how fusion reactions in stars convert hydrogen into helium and release the energy that makes stars shine. His work identified the proton-proton chain and the CNO cycle as major stellar energy sources. Bethe’s theory became central to modern astrophysics and solar physics.
Key Facts
1.Bethe’s key papers appeared in 1938
2.He explained nuclear fusion in stars
3.The theory includes the proton-proton chain and CNO cycle
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Suggested video title for this topic:
"What really powers the Sun?"
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