The life of the universe

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You've been around for at least 14 years now. The universe has been around a thousand million times longer

The Big Bang Theory-the universe is expanding

  • Other galaxies are moving apart from us
  • This shows that the universe is expanding (getting bigger)
  • All the galaxies are moving apart a great speed from a single point
  • We think a big explosion got them going-the Big Bang

The universe is 14 thousand million years old 

  • Before the Big Bang all the matter (stuff like air, rocks,


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