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Age of the universe

Age of the universe (13.82 billion y)

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Neat Ratios ...

Age of the universe (13.82 billion y)

  • is 4000 x Time since the start of the Stone Age (3.4 million y)...more
  • is 5000 x Time since the emergence of earliest humans (2.8 million y)...more

If this was a standard unit ...

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