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1 E19 s and more

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To help compare orders of magnitude of different times this page lists times longer than 1019 seconds (320,000 million years) See also times of other orders of magnitude.

See the article about the ultimate fate of the Universe for more discussion of these issues.

The following times all assume that the Universe is "open":

  • 1014 years -- the estimated time until low-mass stars cool off
  • 1015 years -- the estimated time until planets detach from stars
  • 1019 years -- the estimated time until stars detach from galaxies
  • 1020 years -- the estimated time until orbits decay by gravitational radiation
  • 1031 years -- proton decay
  • 1064 years -- the estimated time until black holes decay by the Hawking process
  • 1065 years -- the estimated time until all matter is liquid at zero temperature
  • 10100,000,000,000,000,000,000,000,000 years (101026) -- the estimated time until all matter decays to iron
  • 1010,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000 years (101076) -- the estimated time until all matter collapses into black holes



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