Did you know?
Mass of Janus (moon of Saturn) (1.9 quintillion kg) is 100 x Mass of water in Lake Tanganyika (Africa) (18.9 quadrillion kg)
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Land used for agriculture in Serbia (2011) (44,900 km^2)
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.