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GDP in Slovenia (2015) (65.8 billion USD p/a) is 2 x GDP in Zimbabwe (2015) (32.8 billion USD p/a)
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Diameter of the star UY Scuti, largest known star (2.377 billion km)
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.