Did you know? Mass of Rhea (moon of Saturn) (2.31 sextillion kg) is 1 thousand x Mass of Sycorax (moon of Uranus) (2.3 quintillion kg)
Duration of British Empire (394 y)
/fact/duration-of-british-empire
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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.
