Tya
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2008-07-12T16:33:33Z
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{{lowercase|title=tya}}
{{Unreferenced|date=July 2008}}
In [[astronomy]], [[geology]], and [[paleontology]], '''tya''', sometimes also '''kya''', is an [[acronym]] for '''thousand years ago''' and is used as a unit of [[time]] to denote length of time before the present. The once popular term 'kya' is replaced in modern scientific literature with the [[SI]] unit ka ([[annum|kiloannum]]).{{Fact|date=July 2008}}
== See also ==
* [[annum]]
* [[Before Present]]
* [[Gya]]
* [[bya]]
* [[mya (unit)]]
[[Category:Units of time]]
[[hu:Kilo-annum]]
[[nl:Ka (tijd)]]