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Question

Which of the following is the primary reason for the tremendous energy generated from the Sun and the other stars?

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Choose one · Correct answer highlighted

Explanation

Sun's core fuses hydrogen nuclei into helium via proton-proton cycle at 15 million Kelvin, converting mass deficit into enormous energy per Einstein's E=mc2. This thermonuclear fusion sustains stellar luminosity and nucleosynthesis across main-sequence lifetimes.

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