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Which Element Is Most Abundant in the Sun?

đź’ˇ The Answer

  • Hydrogen is the most abundant element, making up about 71% of the Sun's mass and 92% of its atoms.
  • Helium is second, accounting for roughly 27% of the mass and 8% of the atoms.
  • All other elements combined contribute less than 2% of the Sun's mass.
  • This composition is a legacy of the Big Bang and subsequent stellar enrichment.

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