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Top 5 most abundant elements in the observable universe (by mass)

evergreen

The 5 most abundant elements in the observable universe (by mass) by mass fraction of the universe: Hydrogen, Helium, Oxygen, Carbon, Neon.

Snapshot · 2026-09-23

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  1. 1

    Hydrogen

    ~73.97%

  2. 2

    Helium

    ~24.02%

  3. 3

    Oxygen

    ~1.04%

  4. 4

    Carbon

    ~0.46%

  5. 5

    Neon

    ~0.134%