SESKStuff Everyone Should Know
SESK: Stuff Everyone Should Know · sesk.info/astro-big-bang-everywhere

Did the Big Bang occur at one location inside preexisting space?

No. It was an expansion of space that happened everywhere.

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  1. Yes, at the Milky Way
  2. No, it happened throughout space ✔
  3. Yes, beyond the observable edge

Why: The Big Bang was not matter exploding outward from a central point into emptiness. The scale of space itself changed throughout the universe.

Huh, didn't know that: Every observer sees distant galaxies receding because expansion has no unique central galaxy.

The dad joke
The Big Bang happened everywhere, so no one missed the opening.
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References

Answer: No, it happened throughout space. The Big Bang was not matter exploding outward from a central point into emptiness. The scale of space itself changed throughout the universe.

  1. The Cosmic Microwave Background openstax.org/books/astronomy-2e/pages/29-4-the-cosmic-microwave-background
    There were no boundaries and there was no single site where the explosion happened.
    Checked 2026-10-10.

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