De Viquipèdia
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| Description |
An Earth clock showing relationship of duration of the various era/periods of the earth history to one day. The Quaternary, comprising the last 2 million years, is just 17 seconds on a clock where 24 hours are related to the total age of the earth of 4.5 Billion years.
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| Source |
own work
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| Date |
2000-04-07
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| Author |
Hannes Grobe 23:05, 21 July 2006 (UTC), Alfred Wegener Institute for Polar and Marine Research, Bremerhaven, Germany
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| Permission |
Own work, share alike, attribution required (Creative Commons CC-BY-SA-2.5)
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I, the author of this work, hereby publish it under the following license:
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