Index: A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
Home > 1 E12 s
To help compare orders of magnitude of different times this page lists times between 32 000 years and 320 000 years (1012 seconds—a terasecond—and 1013 seconds). See also times of other orders of magnitude - Shorter times
- ~75 000 years -- time since a group of humans became the Australian Aborigines
- 76 000 years -- half-life of nickel-59
- 90 000 years -- approximate age of Y-chromosomal Adam
- 150 000 years -- approximate age of mitochondrial Eve
- 154 000 years -- half-life of neptunium-236
- 159 200 years -- half-life of uranium-233
- 211 100 years -- half-life of technetium-99
- 300 000 years -- time since Homo sapiens separated from Homo erectus
- 300 000 years -- time after the big bang until cosmic microwave background radiation2001 The cosmic microwave background radiation (CMB is a form of electromagnetic radiation that fills the whole of the universe. It has the characteristics of black body radiation at a temperature of 2. It has a frequency in the microwave range. CMB and t began
- 301,000 years -- half-life of chlorineChlorine (from Gr. Chloros meaning "pale green"), is the chemical element with atomic number 17 and symbol Cl . It is a halogen, found in the periodic table in group 17. Chlorine gas is greenish yellow, is two and one half times as heavy as air, has an in-36
- Longer timesTo help compare orders of magnitude of different times this page lists times between 320 000 years and 3 200 000 years (1013 seconds and 1014 seconds) See also times of other orders of magnitude. Shorter times 340,000 years half-life of curium-248 ~600,00
Orders of magnitude (time)
Read more »