: Just that I'd say that an Aeon is an indefinite amount of
: time OR it is 1,000,000,000 years.
e·on also ae·on (n, n)
n.
An indefinitely long period of time; an age.
The longest division of geologic time, containing two or more eras.
(an era is either an indefinately long period of time, or made up of one or more period...a period is "an interval of time characterized by the occurrence of a certain condition, event, or phenomenon")