Chemistry
Pie Chart of the Sun's Elemental Composition
Last reviewed on 2026-05-22.
Chemistry — verifiable data, editable template
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The Sun is overwhelmingly hydrogen and helium, the two lightest elements. All heavier elements combined account for less than 2% of the Sun's mass.
The data
- Hydrogen — 73.46 %
- Helium — 24.85 %
- Oxygen — 0.77 %
- Carbon — 0.29 %
- Iron — 0.16 %
- Other — 0.47 %
Source
NASA Solar System Exploration.
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