Did you know? Time since the end of the Silurian geologic period (419 million y) is 40 thousand x Time since first domestication of cattle (10,500 y)
Mass of Portia (moon of Uranus) (1.7 quintillion kg)
/fact/mass-of-portia-moon-of-uranus
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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.
