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Cosmology

From WikiWorld

Cosmology: The Study of the Universe

What we think we know:

  • The Universe is 13.7 billion years old (with a margin of 200 million years).
  • The Universe is 156 Billion light-years wide.
  • The Milky Way galaxy is approxiamately 13.6 billion years old (with a margin of 800 million years).

Almost everything here at WikiWorld. ;-)