- 1 E12 s
To help compare
orders of magnitude of different times this page lists times between 32 000year s and 320 000 years (1012second s—a "terasecond"—and 1013 seconds). "See also" times of other orders of magnitude* Shorter times
* 40 000 years -- time since theCro-Magnon colonisation ofEurope (Upper Paleolithic )
* 50 000 years -- age ofHaplogroup B (mtDNA)
* 60 000 years -- approximate age ofHaplogroup N (mtDNA) ,Haplogroup C (mtDNA) andHaplogroup A (mtDNA) ;out of Africa migration.
* 75 000 years -- time since the ancestors of theIndigenous Australians reached Australia
* 76 000 years --half-life ofnickel -59
* 80 000 years -- approximate age ofHaplogroup M (mtDNA)
* 90 000 years -- approximate age ofY-chromosomal Adam
* 100 000 years -- earliest estimate for the domestication ofdog s
* 125 000 years -- approximate time since the peak of theEemian interglacial period
* 150 000 years -- approximate age ofmitochondrial Eve
* 154 000 years -- half-life ofneptunium -236
* 159 200 years -- half-life ofuranium -233
* 160 000 years -- time since the "Homo sapiens idaltu "/"Homo sapiens sapiens " split
* 200 000 years -- approximate age of "Homo sapiens "
* 211 100 years -- half-life oftechnetium -99
* 250 000 years -- approximate age of "Homo neanderthalensis "
* 300 000 years -- time since "Homo sapiens " separated from "Homo erectus " (Middle Paleolithic )
* 301,000 years -- half-life ofchlorine -36
* Longer times
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