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1 E17 s
To help compare
orders of magnitude
of different times this page lists times between 10
17
seconds and 10
18
seconds (3200 million years and 32 000 million years)
See also
times of other orders of magnitude
.
Shorter times
3,500 million years -- age of
oldest life
(bacteria)
3,700 to 3,900 million years -- age of the
Mare Imbrium
4,468 million years --
half-life
of
uranium
-238
4,500 million years --
age of Earth
(see:
Precambrian
)
10,000 million years -- expected
Main sequence
lifetime of a G2 dwarf star (like the
Sun
)
13,700 ± 200 million years -- estimated age of the
Universe
according to
Big Bang
theory
Longer times