Did you know?
Mass of Ganymede (moon of Jupiter) (148.2 sextillion kg) is 2 x Mass of the Moon (73.5 sextillion kg)
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Land used for agriculture in Bosnia and Herzegovina (2011) (21,610 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.