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To help compare orders of magnitude of different times this page lists times between 1017 seconds and 1018 seconds (3.2 and 32 billion years) See also times of other orders of magnitude.

  • 4.32 billion years: one kalpa, or half a day in the lifetime of Brahma, in Hindu mythology. [1]
  • 10 billion years: expected main sequence lifetime of a G2 dwarf star (like the Sun)

Elapsed time

Future time

  • 3.6 billion years: estimated time until Neptune's moon Triton will fall through the planet's Roche sphere, potentially disintigrating into a new planetary ring system.
  • 5.4 billion years: time before the Sun becomes a red giant
  • 20 billion years: time until the end of the universe in the Big Rip scenario

Half lives

  1. ^ Dan Falk (2009). In Search of Time. National Maritime Museum. pp. 82. 

Simple English

This page lists times between 1017 seconds and 1018 seconds (3.2 and 32 billion years).








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