Did you know? GDP in Estonia (2019) (31.46 billion USD p/a) is 40 x GDP in Saint Vincent and the Grenadines (2017) (785 million USD p/a)
Mean Radius of the Earth (6,370 km)
/fact/mean-radius-of-the-earth
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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.