Assertion: solar system's sun | /r/CapableOf | fuse four free protons
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text: Fusing four free protons (hydrogen nuclei) into a single alpha particle (helium nucleus) releases around 0.7% of the fused mass as energy, so the Sun releases energy at the mass–energy conversion rate of 4.26 million metric tons per second (which requires 600 metric megatons of hydrogen ), for 384.6 yottawatts (3.846×1026 W), or 9.192×1010 megatons of TNT per second.