bn:00783171n
Noun Concept
Categories: Time stubs, Geology, Units of measurement in astronomy, Units of time, Articles with short description
EN
billion years  gigayear  gigaannum  byr  Ga
EN
A billion years or giga-annum is a unit of time on the petasecond scale, more precisely equal to 3.16×1016 seconds. Wikipedia
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EN
A billion years or giga-annum is a unit of time on the petasecond scale, more precisely equal to 3.16×1016 seconds. Wikipedia
Abbreviation of "billion years" Wikidata
One billion years Wikidata
Wikipedia
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