Which famous equation quantifies the mass converted into energy during stellar fusion?

Answer

$E=mc^2$

The conversion of mass into energy during the nuclear fusion process within a star is precisely quantified by Albert Einstein’s famous equation, $E=mc^2$. This equation dictates that a small amount of 'missing' mass, which is the slight difference between the total mass of the initial hydrogen nuclei and the resulting helium nucleus, is directly converted into a tremendous amount of energy. This released energy manifests as the photons and radiation that eventually escape the star, powering its luminosity and providing heat.

Which famous equation quantifies the mass converted into energy during stellar fusion?
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