Stuff You Should Know

How Big Bang Theory Works, with Neil deGrasse Tyson

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Apr 14, 2016
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INSIGHT

Big Bang Theory's Real Scope

  • The Big Bang theory describes the universe starting a tiny fraction of a second after its origin, not the original creation itself.
  • It does not explain what came before the universe or the initial cause of it.
INSIGHT

Big Bang Is Universal Expansion

  • The Big Bang was not an explosion in space but the rapid expansion of space itself.
  • Matter and energy were once compressed in a dense and hot state that expanded to form the universe.
INSIGHT

Universe Origin Singularity

  • The universe started as an incredibly dense and hot singularity smaller than an atom.
  • This singularity contained all the matter and energy that now make up the entire universe.
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