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Height of St Basil's Cathedral in Moscow (47.5 m) is 40 x Length of a lightsaber in the Star Wars movies (1.19 m)
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Forest in Suriname (2011) (155,000 km^2)
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.