Did you know?
GDP in Switzerland (2015) (506 billion USD p/a) is 2 x GDP in Sri Lanka (2015) (255.6 billion USD p/a)
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Mass of a Block IIR GPS Satellite in orbit (1,080 kg)
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.