Did you know? Time since the end of the Cambrian geologic period (485 million y) is 250 thousand x Time since start of building of the Colosseum (1,950 y)
Time since the end of the Cambrian geologic period (485 million y)
/fact/time-since-the-end-of-the-cambrian-geologic-period
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If this was a standard unit ...
Yes, there's now a book based on these numbers. Oxford University Press: July 2018.
Click here to learn more about it.
Click here for Podcast: Andrew Elliott interviewed for New Books Network.
