Imatge:Earth clock hg.png

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Earth_clock_hg.png (521 × 522 píxels, mida de l'arxiu: 71 KB, tipus MIME: image/png)

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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.

Source

own work

Date

2000-04-07

Author

Hannes Grobe 23:05, 21 July 2006 (UTC), Alfred Wegener Institute for Polar and Marine Research, Bremerhaven, Germany

Permission

Own work, share alike, attribution required (Creative Commons CC-BY-SA-2.5)

I, the author of this work, hereby publish it under the following license:
Creative Commons License
Creative Commons Attribution iconCreative Commons Share Alike icon
This file is licensed under the Creative Commons Attribution ShareAlike 2.5 License. In short: you are free to share and make derivative works of the file under the conditions that you appropriately attribute it, and that you distribute it only under a license identical to this one. Official license

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