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1 E16 s
To help compare
orders of magnitude
of different times this page lists times between 10
16
seconds (320 million years) and 10
17
seconds (3200 million years).
See also
times of other orders of magnitude
.
Shorter times
340 million years -- time since beginning of
Carboniferous
Period
340 million years -- time since end of
Devonian
Period
400 million years -- time since beginning of
Devonian
Period
400 million years -- time since end of
Silurian
Period
420 million yeras -- time since first creature took a breath of air
435 million years -- time since beginning of
Silurian
Period
435 million years -- time since end of
Ordovician
Period
500 million years -- time since beginning of
Ordovician
Period
500 million years -- time since end of
Cambrian
Period
540 million years -- time since beginning of
Cambrian
Period
540 million years -- time since end of
Precambrian
580 million years -- time since end of possible
Snowball Earth
ice age
600 million years -- age of
first complex multicelled lifeforms
703.8 million years --
half-life
of
uranium
-235
750 million years -- time since beginning of possible
Snowball Earth
ice age
2300 million years -- time since first known
ice age
Longer times