How big is the universe?

  • Size of the universe
  • Observable universe
  • Expansion of the universe
How big is the universe? zoom_in

The size of the universe is not known, but it is estimated to be at least 93 billion light-years in diameter. It may be infinite. The universe is constantly expanding.

Sources & Related Links

en.wikipedia.org/wiki/Observable_universe en.wikipedia.org/wiki/Universe en.wikipedia.org/wiki/Cosmology en.wikipedia.org/wiki/Big_Bang en.wikipedia.org/wiki/Expansion_of_the_universe
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Christina
Editorially reviewed Christina (July 24, 2023)
Jimmy
Answered Jimmy (July 24, 2023)

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